АКТИВИРОВАННЫЙ УГОЛЬ, ИМПРЕГНИРОВАННЫЙ КИСЛОТОЙ, СПОСОБЫ ЕГО ПОЛУЧЕНИЯ И ПРИМЕНЕНИЯ

Предложен способ получения удобрения, содержащего матрицу из активированного угля, импрегнированного солью неорганической кислоты. Способ предусматривает смешивание минеральной кислоты с углеродсодержащим веществом без дополнительного нагревания с получением высокопористой матрицы из активированного угля, импрегнированного неорганической кислотой. Исходное углеродсодержащее вещество включает древесину, подвергнутый брожению или приготовленный в виде компоста навоз животных, торфяной мох, солому, муниципальные твердые отходы, содержащие навоз материалы подстилки для скота, скорлупу орехов, кокосовое волокно, угольный кокс или нефтяной кокс. После обработки минеральной кислотой производят превращения кислоты в матрице из активированного угля в соответствующую соль путем обработки активированной матрицы газообразным аммиаком. 2 н. и 4 з.п. ф-лы, 1 ил., 7 табл.

ПОЛУЧЕНИЕ МОЛЕКУЛЯРНО-ИМПРИНТИРОВАННЫХ ПОЛИМЕРОВ В РЕЗУЛЬТАТЕ СШИВАНИЯ

Изобретение относится к способу получения нерастворимых молекулярно-импринтированных полимеров (МИП). Способ получения нерастворимых молекулярно-импринтированных полимеров (МИП) включает: a) получение растворимых или полурастворимых полимеров МИП, которые характеризуются тем, что 1) все полимеры будут связаны с матричными агентами, которыми они были импринтированы и 2) имеют размеры, которые делают возможным их разделение на хроматографической стадии при использовании хроматографии со слоем уплотненного адсорбента, где размеры растворимых или полурастворимых МИП, полученных на стадии а), являются такими, что они будут отфильтровываться через мембранный фильтр, имеющий отсечку менее или равную 900 нм, b) сшивание растворимых или полурастворимых полимеров МИП со стадии а) таким образом, чтобы получить нерастворимые МИП, которые связывают указанные матричные агенты, и c) необязательно выделение, концентрирование или очистку полимеров МИП, полученных в результате сшивания на стадии b). Технический ...

EMM-28 - новый синтетический кристаллический материал, его получение и применение

Изобретение относится к новому синтетическому кристаллическому материалу ЕММ-28, который синтезирован в присутствии органического направляющего агента (Q) для формирования структуры, выбранного из одного или более из следующих дикатионов:ЕММ-28 можно использовать в реакциях превращения органических соединений и сорбционных процессах. 14 н. и 4 з.п. ф-лы, 26 пр., 3 табл., 2 ил.

Способ получения сульфированных асфальтенов (варианты)

Изобретение относится к нефтехимии и нефтяной промышленности, а именно к способу получения катионитов сульфированием асфальтенов. Способ (варианты) включает взаимодействие асфальтенов с хлорсульфоновой кислотой, образующейся in situ непосредственно в процессе реакции сульфирования при взаимодействии эквимольных количеств хлорирующего агента - тионилхлорида (по варианту 1) или пентахлорида фосфора (по варианту 2) с концентрированной серной кислотой, сульфирование проводят в среде подходящего растворителя при массовом соотношении серной кислоты к асфальтенам, составляющему не менее 10 к 1, до полноты протекания реакции не менее 8 часов. Технический результат состоит в селективном сульфировании в мягких условиях с образованием преимущественно сульфогрупп, что приводит к получению с высокими выходами целевых продуктов, обладающих хорошими характеристиками для применения в качестве сорбентов и твердых кислотных катализаторов для органического синтеза, в том числе имеющих высокое значение статической ...

Способ очистки водных растворов от капролактама

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Группа изобретений относится к производству дисперсных сорбентов нефтепродуктов. Камеру гидрофобизации с загруженным пористым алюмосиликатным материалом вакуумируют до остаточного давления 20-30 кПа, обрабатывают материал в среде перегретого водяного пара. Температуру повышают до 280-310°С, поддерживая давление в камере в пределах атмосферного. Выдерживают при достигнутой температуре в течение 20-30 минут. Сбрасывают пар в предварительно вакуумированный ресивер до остаточного давления в рабочей камере 10-15 кПа. Подают углеводородный гидрофобизатор в жидкой фазе из расчета 0,1-0,3 г на 1 л объема камеры гидрофобизации, поддерживают температуру 350-400°С в течение 5-20 мин. Отключают нагрев. При достижении температуры ниже 120°С в камеру впускают воздух. Устройство представляет собой горизонтально установленную герметичную цилиндрическую камеру с дверцей-крышкой. Камера снабжена продольными внутренними ребрами для размещения поддонов с гидрофобизируемым материалом. В верхней части камера ...

Способ получения натрийсодержащего титаносиликатного сорбента

Изобретение относится к технологии титаносиликатных сорбентов для очистки жидких стоков от радионуклидов и токсичных неорганических веществ. В титансодержащий раствор с концентрацией 45-70 г/л TOвводят кремненатриевый реагент и гидроксид натрия с получением суспензии. Суспензию выдерживают в герметичных условиях при повышенной температуре с образованием натрийсодержащего титаносиликатного полупродукта, который отделяют фильтрацией. Затем проводят водную обработку полупродукта при массовом отношении твердой и жидкой фаз, равном 1:0,25-1,5, с получением пульпы. Пульпу перемешивают в течение 0,5-1,5 часов и фильтруют до обеспечения влажности натрийсодержащего титаносиликатного осадка 20-50 мас. %. Осадок гранулируют путем экструдирования и подвергают сушке. Способ обеспечивает получение монофазного гранулированного натрийсодержащего титаносиликатного сорбента, который обладает более развитой поверхностью и более высокой сорбционной емкостью. 2 з.п. ф-лы, 5 пр.

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Настоящее изобретение относится к области получения твердых синтетических гранулированных неорганических адсорбентов. Способ включает в приготовление гетерогенной композиции на основе водного раствора кристаллогидрата метасиликата натрия и твердого хлорида цезия. Полученная композиция доводится до кипения, после чего небольшими порциями при интенсивном перемешивании добавляется к алюминиевой пудре. Синтезированный порошковый адсорбент охлаждается до комнатной температуры, затем промывается, высушивается и вносится при интенсивном и тщательном перемешивании в предварительно приготовленную глиняную матрицу. Полученная смесь продавливается через сито и высушивается на воздухе в течение 7 суток. Изобретение обеспечивает получение неорганического адсорбента, селективного к радионуклиду цезия-137. Максимальная статическая сорбционная емкость полученного сорбента по катионам цезия для порошкового адсорбента составила 2300±150 мг на 1 г адсорбента, для гранулированного адсорбента - 1800±100 мг/ ...

СПОСОБ ПОЛУЧЕНИЯ СОРБЕНТА НА ОСНОВЕ ПРИРОДНОГО БЕНТОНИТА

Изобретение относится к способу получения сорбента для очистки сточных вод гальванических, текстильных, кожевенных и других предприятий. Предложен способ получения сорбента для извлечения бихромат-анионов из водного раствора. Способ включает перемешивание суспензии бентонита в 20%-ном растворе метасиликата натрия, взятом из расчета массового соотношения SiO, присутствующего в растворе метасиликата натрия, к бентониту, равного 0,8:1. Модифицированный бентонит промывают водой, обрабатывают 10%-ным раствором серной кислоты и подвергают термической обработке при 200°С. Изобретение обеспечивает получение сорбента, обладающего повышенной сорбционной способностью и хорошей фильтруемостью. 1 табл., 6 пр.

Способ получения сорбентов для извлечения соединений тяжелых металлов из сточных вод

Изобретение относится к сорбционной очистке сточных вод от соединений тяжелых металлов. Предложен способ получения сорбента для извлечения тяжелых металлов из растворов, основанный на поликонденсации анионов S, которые генерируют путем растворения серы в смеси гидразингидрат моноэтаноламин при их мольном соотношении 10:1 и при температуре 60-65°C. В качестве органических сомономеров используют смесь трифункционального мономера - 1,2,3-трихлорпропана и бифункционального мономера хлорекса или дихлордиэтилформаля при мольном соотношении 1,2,3-трихлорпропан:кислородсодержащий сомономер 70:30÷80:20%. Процесс поликонденсации ведут при температуре 75-85°С. Изобретение обеспечивает получение сорбента с высокими технологическими характеристиками. 8 пр.

МИКРОПОРИСТЫЕ UZM-5 ЦЕОЛИТНЫЕ НЕОРГАНИЧЕСКИЕ МЕМБРАНЫ ДЛЯ РАЗДЕЛЕНИЯ ГАЗОВ ПАРОВ И ЖИДКОСТЕЙ

Группа изобретений раскрывает микропористые UZM-5 цеолитные мембраны, способы их получения и способы разделения газов, паров и жидкостей с их использованием. Микропористые UZM-5 цеолитные мембраны с небольшими порами получают двумя способами. Один из способов включает кристаллизацию in situ одного или более слоев кристаллов UZM-5 цеолита на пористой мембранной подложке. Второй способ включает кристаллизацию с затравкой в реакционной смеси непрерывного второго слоя кристаллов UZM-5 цеолита на слое кристаллов UZM-5 цеолита, нанесенного на пористую мембранную подложку. Полученные мембраны в виде дисков, трубок или полых волокон имеют высокую термическую и химическую стабильность, стойкость к эрозии, к СОи повышенную селективность при разделении газов, паров и жидкостей. 4 н. и 6 з.п. ф-лы.

ЧАСТИЦА НЕСУЩЕГО АРОМАТИЗАТОР АДСОРБЕНТА, СИГАРЕТНЫЙ ФИЛЬТР, СИГАРЕТА С ФИЛЬТРОМ И СПОСОБ ПОЛУЧЕНИЯ ЧАСТИЦЫ НЕСУЩЕГО АРОМАТИЗАТОР АДСОРБЕНТА

Изобретение относится к производству адсорбентов для сигаретных фильтров. Предложен способ получения частицы несущего ароматизатор адсорбента. Адсорбент содержит адсорбентную сердцевинную частицу, имеющую удельную площадь поверхности по БЭТ 700 м/г или более, и генерирующую аромат среду на поверхности адсорбентной сердцевинной частицы, которая включает ароматизатор и удерживающий ароматизатор материал. Удерживающий ароматизатор материал присутствует в количестве от 5 до 20% от общего веса частицы несущего ароматизатор адсорбента, а ароматизатор присутствует в количестве от 10 до 50% от веса удерживающего ароматизатор материала. Способ включает стадию распыления жидкой выделяющей аромат композиции, содержащей ароматизатор и глюкан, на адсорбентную сердцевинную частицу. Распыление осуществляют при перемешивании адсорбентных сердцевинных частиц при пониженном давлении, равном 12,3 кПа или ниже. Изобретение обеспечивает получение частиц адсорбента с большим количеством ароматизатора на короткое ...

СПОСОБ ОЧИСТКИ ВОДЫ

Изобретение может быть использовано в химической промышленности и водоочистке. Прореагировавший на поверхности содержащий карбонат кальция минеральный материал и/или прореагировавший на поверхности осажденный карбонат кальции покрывают по меньшей мере одним анионным полимером с плотностью общего отрицательного заряда в пределах от 1 мкэкв/г до 15000 мкэкв/г. Полученный содержащий карбонат кальция материал с поверхностным покрытием используют для очистки воды, обезвоживания осадков или взвешенных отложений. Заявленная группа изобретений обеспечивает повышение эффективности флокуляции, способствует обезвоживанию или фильтрации осадков или взвешенных отложений. 5 н. и 16 з.п. ф-лы, 3 табл., 7 пр.

СПОСОБ ПОЛУЧЕНИЯ СОРБЕНТА ИЗ ЛУЗГИ ПОДСОЛНЕЧНИКА

Изобретение относится к области получения сорбционных материалов широкого спектра применения на основе природных полимеров растительного происхождения. Предложен способ получения сорбента из лузги подсолнечника. Способ включает замачивание лузги, сушку до постоянной массы и измельчение с помощью лабораторной мельницы до фракции 0,3-0,5 мм. Согласно способу замачивание лузги проводят в 0,5 М растворе гидроксида натрия в течение 45 минут, а сушку проводят в поле СВЧ с удельной мощностью 0,1-0,5 Вт/см. Техническим результатом является получение сорбента с высокой сорбционной способностью за счет увеличения пористости при сокращении продолжительности процесса. 1 табл., 6 пр.

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АКТИВИРОВАННЫЙ УГОЛЬ, ИМПРЕГНИРОВАННЫЙ КИСЛОТОЙ, СПОСОБЫ ЕГО ПОЛУЧЕНИЯ И ПРИМЕНЕНИЯ

... 1.Способ получения удобрения, включающийстадии:(а) смешивания минеральной кислоты с углеродсодержащим веществом без дополнительного нагревания для получения высокопористой матрицы из активированного угля, импрегнированного неорганической кислотой,(б) превращения кислоты в матрице из активированного угля в соответствующую соль путем обработки активированной матрицы из активированного угля газообразным аммиаком.2. Способ по п.1, дополнительно включающий стадию просеивания матрицы из активированного угля для получения частиц с требуемым диапазоном размеров или гранулирования матрицы из активированного угля для получения частиц с требуемым диапазоном размеров.3. Способ по п.1 или 2, дополнительно включающий стадию вымывания соли минеральной кислоты из матрицы из активированного угля.4. Композиция удобрения, содержащая матрицу из активированного угля, импрегнированного солью неорганической кислоты, полученной путем обработки отработанной матрицы из активированного угля, импрегнированного минеральной ...

АДСОРБИРУЮЩЕЕ ВЕЩЕСТВО ДЛЯ ДЕСУЛЬФУРИЗАЦИИ УГЛЕВОДОРОДНОГО МАСЛА, ЕГО ПОЛУЧЕНИЕ И ПРИМЕНЕНИЕ

... 1. Адсорбирующее вещество для десульфуризации углеводородного масла, содержащее следующие компоненты в расчете на общую массу адсорбирующего вещества:1) Si-Al молекулярное сито со структурой BEA в количестве 1-20% масс.,2) по меньшей мере одно связующее, выбранное из группы, состоящей из диоксида титана, диоксида олова, диоксида циркония и оксида алюминия, в количестве 3-35% масс.,3) источник диоксида кремния в количестве 5-40% масс.,4) оксид цинка в количестве 10-80% масс., и5) по меньшей мере один металл-промотор, выбранный из группы, состоящей из кобальта, никеля, железа и марганца, в зависимости от металла в количестве 5-30% масс., где по меньшей мере 10% масс. металла-промотора присутствует в состоянии пониженной валентности.2. Адсорбирующее вещество по п. 1, в котором Si-Al молекулярное сито со структурой BEA присутствует в количестве 2-15% масс., связующее присутствует в количестве 5-25% масс., источник диоксида кремния присутствует в количестве 10-30% масс., оксид цинка присутствует ...

ФИЛЬТРЫ, ВКЛЮЧАЮЩИЕ ЧАСТИЦЫ АКТИВИРОВАННОГО УГЛЯ, ПОКРЫТЫЕ ПОЛИДИАЛЛИЛДИМЕТИЛАММОНИЙ ХЛОРИДОМ (pDADMAC), И СПОСОБЫ ИХ ИЗГОТОВЛЕНИЯ

... 1. Способ получения активированного угля с покрытием, включающий:получение частиц активированного угля со средним размером примерно до 100 мкм; и нанесение покрытия на частицы активированного угля путем распыления капель раствора катионного полимера на поверхность частиц активированного угля, причем раствор катионного полимера включает от примерно 1 до примерно 15 мас.% катионного полимера и размер капель составляет от примерно 5 до примерно 100 мкм.2. Способ по п.1, в котором катионный полимер представляет собой полиаллилдиметиламмоний хлорид (pDADMAC), полидиаллилдиметиламмоний трифторметансульфонат (pDADMAT) или оба полимера.3. Способ по п.2, в котором полимер pDADMAC имеет среднемассовую молекулярную массу (Mw) примерно до 200000 г/моль и среднечисленную молекулярную массу (Mn) примерно до 100000 г/моль.4. Способ по п.1, в котором раствор катионного полимера содержит примерно 2-8 мас.% катионного полимера.5. Способ по п.1, в котором раствор катионного полимера содержит примерно 2-4 ...

ГРАНУЛЫ АКТИВИРОВАННОГО УГЛЯ ДЛЯ КУРИТЕЛЬНЫХ ИЗДЕЛИЙ

ZUSAMMENSTELLUNG VON HYDROXYLAPATITE-TEILCHEN UND DIESE ENTHALTENDE FLUESSIGKEITSCHROMATOGRAPHIE-SAEULE.

Katalysatorsystem

Katalysatorsystem, insbesondere geträgerter Katalysator, wobei das Katalysatorsystem mindestens eine auf einem Katalysatorträger aufgebrachte katalytisch aktive Komponente, insbesondere mindestens eine an einem Katalysatorträger fixierte katalytisch aktive Komponente, aufweist, wobei die katalytisch aktive Komponente mindestens ein Metall umfasst und/oder hieraus besteht, wobei das Katalysatorsystem erhältlich ist durch ein Verfahren, wobei zunächst eine als Katalysatorträger eingesetzte kugelförmige Aktivkohle einer Oxidation, insbesondere Oberflächenoxidation, unterzogen wird und wobei nachfolgend die auf diese Weise erhaltene oxidierte, insbesondere an ihrer Oberfläche oxidierte Aktivkohle mit der katalytisch aktiven Komponente ausgerüstet und/oder beladen und/oder beschichtet und/oder imprägniert wird, insbesondere durch Aufbringen und/oder Inkontaktbringen, vorzugsweise Fixierung, der katalytisch aktiven Komponente auf dem Katalysatorträger, gegebenenfalls gefolgt von einer Reduktion ...

MASSIVE KOERPER AUS EINEM ZEOLITH VOM X-TYP MIT EINEM MAXIMALEN GEHALT AN ALUMINIUM.

VERFAHREN ZUR HERSTELLUNG VON NICHT-ALUMINIUMENTHALTENDEN ANIONISCHEN MAGNESIUMTONERDEN

Carbon nanotube aerogels and xerogels and xerogels for CO� capture

Method for preparing a sorbent

Carbon nanotube aerogels and xerogels and xerogels for COÂ capture

The present invention relates to carbon nanotube networks which are selected from aerogels and xerogels comprising layered double hydroxides (LDHs). The invention is also concerned with the method of preparing such carbon nanotube networks which are selected from aerogels and xerogels and use of such carbon nanotube networks which are selected from aerogels and xerogels for sorption and gas storage.

Copper sorbents suitable for the removal of mercury from fluid streams

Granular filter medium for removing oil from oily water

The filter medium comprises smooth surfaced, non-porous granular glass or filter sand of which some has been treated with a caustic solution to impart active hydroxyl groups thereto and thereafter treated with a trialkoxysilane. The average concentration of treated medium corresponds to up to 3 to 3.5 grams trialkoxysilane per litre of granular medium in the case of filter sand and up to 1.5 to 1.8 grams trialkoxysilane per litre of medium in the case of granular glass, the desired average concentration being attained either by treating the medium with a corresponding amount of the trialkoxysilane or by treating with a higher amount and diluting the treated medium with untreated medium. The filter medium is backwashable to refresh its lipophilic properties, and does not readily plug or foul when in use.

Process for preparing metal organic frameworks having improved water stability

Layered sorbent structures

REMOVAL OF MERCURY FROM GASES AND LIQUIDS

... 1533059 Removing mercury from a gas INSTITUT FRANCAIS DU PETROLE 17 Dec 1976 [18 Dec 1975 23 Jan 1976] 52799/76 Heading B1L [Also in Division C1] Mercury is removed from a gas by bringing the gas into contact with an absorbent bed of a) solid dispersant or support selected from silica, alumina, silica-alumina, silicates, aluminates and silico-aluminates, and b) copper in the sulphide state.

Defective metal-organic framework desulfurization adsorbent and its preparation method and use

A method of preparing a defective metal-organic framework suitable for use as a desulfurization adsorbent. The preparation method comprises initially dissolving trimesic acid and 5-hydroxyisophthalic acid in a solvent and sonicating them to form solution 1. Copper nitrate trihydrate is added to the solution to form solution 2. Solution 2 is then subjected to a microwave-assisted synthesis to obtain the desired metal-organic framework. The solvent can be one or more of water, anhydrous ethanol, N,N-dimethylformamide or acetone. Preferably the microwave-assisted synthesis involves heating from 20-35 °C to 95-105 °C at a rate of 4-6 °Cmin-1, maintaining this target temperature for between 10 and 20 min followed by a second heating step to between 115 and 125 °C at a rate of 1-2 °C and maintaining this temperature for 30 mins. A microwave power of between 500-1000 W is used. Preferably the molar ratio of benzene-1,3,5-tricarboxylic acid and 5-HIPA is between 1-9 and 3-7. Post-treatment can ...

A PROCESS AND APPARATUS FOR PURIFICATION OF WATER

A WATER PURIFICATION COMPOSITION

A PROCESS AND APPARATUS FOR PURIFICATION OF WATER

A WATER PURIFICATION COMPOSITION

A WATER PURIFICATION COMPOSITION

A PROCESS AND APPARATUS FOR PURIFICATION OF WATER

SORBENT

PROCEDURE FOR THE PRODUCTION FROM SORBENTS TO THE ADMISSION OF LIQUIDS

HYDROPHOBE ADSORBENTIEN AND YOUR USE FOR THE ADSORPTION OF LIPOPROTEINEN

ZIRCONIUM OXIDE PARTICLE

Processes for reducing environmental availability of environmental pollutants

This invention provides processes for reducing the environmental availability of one or more environmental pollutants in solids, liquids, and combinations of solids and liquids.

Production and use of metal organic frameworks

A process for producing a bimetallic, terephthalate metal organic framework (MOF) having a flexible stmcture and comprising aluminum and iron cations, comprises contacting a water-soluble aluminum salt, a chelated iron compound and 1,4-benzenedicarboxylic acid or a salt thereof with a fluoride-free mixture of water and a polar organic solvent at a reaction temperature of less than 200°C to produce a solid reaction product comprising the MOF.

HIGH COPPER CONTENT SOLID SORBENT

Superabsorbent material SAT (super absorbent tissue)

A method for the wet production of a superabsorbent material, comprising the formation of an aqueous saline solution with a concentration of 0.01 - 4.5 N of ionic salt and pH from 0 to 6.0 or from 8.0 to 14.0 by the addition of a strong acid or strong base; the dispersion in the saline solution of a water superabsorbent polymer (SAP) component selected among the polymers comprising at least one acidic resin not completely neutralized in case of acidic saline solution and/or comprising at least one basic resin not completely neutralized in case of basic saline solution; the implementation of a first web by stratification and deposition under vacuum suction onto the mesh screen belt deposition section of the SAP dispersion; washing out of the web with basic solution up to the desired level of neutralization of the acidity for SAP dispersions in acidic saline solutions or with acidic solution up to the desired level of neutralization of the basicity for SAP dispersions in basic saline solutions ...

Method for preparing solid amine gas adsorption material

The present invention relates to a method for preparing a solid amine gas adsorption material. The method synthesizes a porous solid amine adsorption material that loads organic amine evenly in one step. In the method, a certain amount of acidic gas is introduced while organic amine molecules are introduced into a silicate solution as template agents, which not only makes sizes of SiO ...

Magnetic hydrotalcite composite and process for manufacturing same

The purpose of the present invention is to provide: a magnetic hydrotalcite composite which is useful in wastewater treatment, ultraviolet absorption, electromagnetic wave absorption, acid gas absorption or other fields; and a process for manufacturing the same. A magnetic hydrotalcite composite which comprises an inner layer and an outer layer and in which the inner layer is made of a hydrotalcite compound and the outer layer is made of a ferrite compound.

Covalent organic framework nanoporous materials for high pressure gas storage

A method of storing gas comprises providing a recipient for receiving the gas and providing a porous gas storage material. The gas storage material comprises a cross- linked polymeric framework and a plurality of pores for gas sorption. The cross-linked polymeric framework comprises aromatic ring-containing monomeric units comprising at least two aromatic rings. The aromatic ring-containing monomeric units are linked by covalent cross-linking between aromatic rings to form a stable, rigid nanoporous material for storing the gas at pressures significantly greater than the atmospheric pressure, for example in excess of 100 bar. A possible application is the storage and transportation of compressed natural gas.

Molecularly Imprinted Polymer beads for extraction of metals and uses thereof

The present disclosure provides Molecularly Imprinted Polymer (MIP) technology for selectively sequestering one or more target molecules from chemical mixtures. Also disclosed herein are MIP beads and methods of making and using thereof.

REMOVING ACTINIDE METALS FROM SOLUTION

Reactive matrix for removing moisture from a fluorine containing gas and process

Porous article with surface functionality and method for preparing same

ARTICLE FOR EXTRACTING A COMPONENT FROM A FLUID STREAM, METHODS AND SYSTEMS INCLUDING SAME

The present invention relates to articles for extracting a component from a fluid stream, the article including a body portion having a plurality of bores extending therethrough, the bores facilitating the flow of the fluid stream through the body portion in use, wherein the body portion is formed from a mixture of a binder and at least one component selected from the group consisting of carbon fibres, carbon nanotubes and mixtures thereof. The present invention also relates to a method of forming such articles and methods and systems including same.

PROCESS FOR PRODUCING A FUNCTIONALIZED SILICA BY REACTING SILICA WITH A SILANE AND A POLYAMINE

A functionalised silica is prepared by reacting silica with a silane and a polyamine. The product is useful for removing metals from solution, e.g., Cu from ATX, or in the extraction of U from its ores.

SUPPORT MATRIX FOR AMINO-CONTAINING BIOLOGICALLY ACTIVE SUBSTANCES

An improved immobilized enzyme composite is prepared by subjecting a siliceous carrier to an initial treatment with alkali, then acid, then reacting the carrier with an organosilane. The organosilane may then be coupled through a covalent coupling agent with an enzyme. The alkali-acid treatment provide n exceptionally high number of hydroxyl groups per unit volume. so that the treated carrier is especially useful in the preparation of high performance immobilized enzyme compositions, particularly by multi-layering immobilization, providing a very high amount of enzyme activity per unit volume. Multi-layering is accomplished by successive steps of bonding a difunctional covalent coupling agent to a previously immobilized enzyme layer, then bonding an additional layer of enzyme to the coupling agent. This may be repeated to apply as many layers as desired.

BLOOD PURIFICATION DEVICE

DOPED ABSORBENT MATERIALS WITH ENHANCED ACTIVITY

A method is disclosed for increasing the activity of doped inorganic adsorbent materials in the adsorption of selected solute species from a gasphase or from a fluidphase. The method consists in selecting the type, or the amount, or the molecular dimensions of the dopant or dopants, or also in tailoring the pore structure of the doped inorganic adsorbent material through doping. Doped inorganic adsorbent materials produced with said method, and showing enhanced activity towards selected solute species, are also disclosed. The improved doped inorganic adsorbent materials are suitable in a number of different fields where adsorption of one or more selected solute species from a free fluid phase is needed.

ADSORBENT POLYMERIC STRUCTURES FOR SEPARATING POLAR LIQUIDS FROM NON-POLAR HYDROCARBONS

Adsorbent polymeric structures are described. These adsorbent polymeric structures are capable of separating non-polar hydrocarbons, such as crude oil or diesel fuel, from polar liquids, such as water. The adsorbent polymeric structures may include acid grafted graphene and at least one styrene. A method of preparing an adsorbent polymeric structure according may include mixing graphene and at least one acid catalyst in a polar liquid in the presence of at least one alcohol to form an acid grafted graphene via an esterification reaction; and the acid grafted graphene and at least one styrene monomer are introduced to water in the presence of an initiator to form the adsorbent polymeric structure according to any of the previously-described embodiments via an emulsion polymerization reaction. Moreover, the adsorbent polymeric structures may be incorporated into methods of fluidly separating at least one non-polar hydrocarbon from a polar liquid.

SMALL CRYSTAL, HIGH SURFACE AREA EMM-30 ZEOLITES, THEIR SYNTHESIS AND USE

A process is disclosed for producing small crystal, high surface area crystalline materials having the MFI and/or MEL framework-type, designated as EMM-30, using as a structure directing agent tetrabutyl ammonium cations and/or tetrabutylphosphonium cations, or l,5-bis(N- tributylammonium)pentane dications, and/or l,6-bis(N-tributylammonium)hexane dications. The compositions made according to that process, as well as the various dication compositions themselves, are also disclosed.

MICROPOROUS CARBON MATERIALS TO SEPARATE NITROGEN IN ASSOCIATED AND NON-ASSOCIATED NATURAL GAS STREAMS

The present invention relates to a process for the manufacture of microporous carbon materials to perform selective separations of nitrogen in gas mixtures such as hydrogen sulfide, carbon dioxide, methane and C2, C3 and C4+ hydrocarbons, with high efficiency, shaped of microspheres or cylinders from copolymers of poly (vinylidene chloride-co-methyl acrylate) with density of 1.3 to 1.85 g/cm3 or poly (vinylidene chloride-co-vinyl chloride) with density of 1.3 to 1.85 g/cm3, using two stages. The first consists of a surface passivation of the material by chemical attack in a highly alkaline alcohol solution with the aim of effecting a precarbonization on the surface of the copolymer, so that during the pyrolysis process it does not deform and gradually develop the microporosity. The material of the first stage presents in the crust, percentages between 55 to 85 % carbon, between 5 to 20% oxygen and between 10 to 40 % chlorine, while in the interior of the material presents lower percentages ...

RESIN BEADS AND USE IN PROCESSING OF AQUEOUS SOLUTIONS

A method of processing an aqueous solution, wherein the aqueous solution comprises one or more dissolved sugar, one or more dissolved sugar alcohol, or a mixture thereof, wherein the method comprises bringing the aqueous solution into contact with a collection of resin beads, wherein the resin beads comprisefunctional groups of structure (S1).

HYDROGEN STORAGE PRODUCT FOR PHYSISORPTION OF HYDROGEN MOLECULES, AND METHOD FOR MANUFACTURING SAME

The hydrogen storage product comprises one or more reduced-graphene oxide layers functionalized with a boron species and decorated with an alkali or alkaline earth metal. Each layer of the structure further comprises boron-oxygen functional groups comprising oxygen atoms bonded to boron atoms. The hydrogen storage product has a composition suitable for physisorption of hydrogen molecule, and operates to reversibly store hydrogen under operating conditions of low pressure and ambient temperature.

ADSORBENT AND METHOD FOR PRODUCING SAME, METHOD FOR REMOVING CARBON DIOXIDE, CARBON DIOXIDE REMOVING DEVICE, AND AIR CONDITIONING DEVICE

Provided is a method for producing an adsorbent used for removing carbon dioxide from a treatment target gas that contains carbon dioxide, wherein the method comprises a reaction step of reacting tetravalent cerium with a mixture containing at least any one selected from the group consisting of urea, a urea derivative, and an amide compound.

CAFFEINE-ADSORBING MATERIAL, CAFFEINE-ADSORBING SYSTEM, DECAFFEINATION SYSTEM, AND RELATED METHODS OF REMOVING CAFFEINE FROM SOLUTIONS

Caffeine-adsorbing materials, caffeine-adsorbing systems, and decaffeination system suitable for removing caffeine from a solution; methods for removing caffeine from a solution; and methods of making the caffeine-adsorbing materials are described.

METAL ION EXTRACTION FROM BRINES

A material includes a porous particle that includes a metal ion imprinted polymer. The metal ion imprinted polymer is formed from a hydrophilic co-monomer, a metal containing polymerizable compound, and a cross-linking agent. The metal containing polymerizable compound includes at least one metal chelating ligand. The metal ion imprinted polymer includes a plurality of metal ion selective binding sites. A method includes flowing brine containing a metal ion through a reactor that includes the material. The method further includes discharging the brine from the reactor, contacting the porous particles with water, and pressurizing the reactor with carbon dioxide. The carbon dioxide reacts with the adsorbed metal ions to form a metal carbonate solution. The method further includes depressurizing the reactor to precipitate metal carbonate from the metal carbonate solution and discharging the metal carbonate solution from the reactor.

MATERIALS FOR THE SEPARATION OF ORGANIC SUBSTANCES FROM SOLUTION

ACTIVATED CARBON SLURRY SUPPLY METHOD

A method for supplying an activated carbon slurry comprising a step A for obtaining an activated carbon slurry containing pulverized activated carbon and feedstock water, and a step B for conveying the activated carbon slurry to a site for mixing with diluting water or a site for mixing with water to be treated. In said supply method, step A comprises, in random order: a step A1 for pulverizing feedstock activated carbon with a pulverizer to prepare pulverized activated carbon having a particle size smaller than the particle size of the feedstock activated carbon; and a step A2 for mixing the feedstock water and feedstock activated carbon or feedstock water and pulverized activated carbon with a mixer. The method also comprises a step C for adding acid at least before completion of step A.

COOPERATIVE CHEMICAL ADSORPTION OF ACID GASES IN FUNCTIONALIZED METAL-ORGANIC FRAMEWORKS

A system and method for acid gas separations using porous frameworks of metal atoms coordinatively bound to polytopic linkers that are functionalized with basic nitrogen ligands that expose nitrogen atoms to the pore volumes forming adsorption sites. Adjacent basic nitrogen ligands on the metal-organic framework can form an ammonium from one ligand and a carbamate from the other. The formation of one ammonium carbamate pair influences the formation of ammonium carbamate on adjacent adsorption sites. Adsorption of acid gas at the adsorption sites form covalently linked aggregates of more than one ammonium carbamate ion pair. The acid gas adsorption isotherm can be tuned to match the step position with the partial pressure of acid gas in the gas mixture stream through manipulation of the metal-ligand bond strength by selection of the ligand, metal and polytopic linker materials.

NOVEL COMPLEXES FOR THE SEPARATION OF CATIONS

L'invention concerne des complexes comprenant un support solide et un matériau à structure matricielle comportant des domaines complexant des terres rares ou des métaux stratégiques, leur procédé de préparation, et leur utilisation pour extraire ou séparer les terres rares ou les métaux stratégiques dans un milieu aqueux ou organique.

POROUS ALUMINUM OXIDE POWDERS WITH A HONEYCOMB STRUCTURE

... ?The invention relates to aluminum oxide, and specifically to aluminum trioxide in the form of powders or agglomerates having particles which have a porous honeycomb structure, and can be used as catalyst carriers, adsorbents and filters in the chemical, food and pharmaceutical industries. The technical result is a broadening of the types of porous aluminum oxide having a honeycomb pore structure in the micron size range. The aluminum oxide, being in the form of separate particles having a porous structure, has a particle porosity of 60-80%, and the porous structure is in the form of extended parallel channels which are closely packed, the size of the channels being 0.3-1.0 microns in width and up to 50 microns in length.

METHODS AND SYSTEMS FOR FORMING MOISTURE ABSORBING PRODUCTS FROM A MICROCROP

The present disclosure relates, according to some embodiments, to methods and systems for deriving odor- and moisture-absorbing products from a microcrop (e.g., photosynthetic aquatic species). More specifically, the present disclosure relates, in some embodiments, to forming an absorptive product from Lemna, including an animal litter, an animal bedding, a diaper product, a spill clean-up product, and any combination thereof. A process for forming an absorbent product from a microcrop may comprise the actions of (a) lysing the microcrop to generate a lysed microcrop; (b) separating the lysed microcrop into a solid fraction and a juice fraction; (c) processing the solid fraction to generate an absorbent solid; and/or (d) forming, by a shaping unit, the absorbent solid into pellets or granules that may be incorporated into the absorptive product. An absorptive product may have odor- reducing properties that are due in part to chlorophyll (e.g., from a microcrop).

ACID-IMPREGNATED ACTIVATED CARBON AND METHODS OF FORMING AND USING THE SAME

An acid-impregnated activated carbon matrix is formed from a carbonaceous material by the addition of a mineral acid, and may be used to chemisorb ammonia from a gas stream. The ammonia reacts with the acid to form a fertilizer salt. The spent matrix may be used as a fertilizer, or the fertilizer salt may be elutriated from the matrix.

POROUS BODY AND PRODUCTION METHOD THEREFOR

Provided are: a porous body having polymethyl methacrylate as the main component, which has continuous pores, 0.001 µm to 500 µm pore diameters for the continuous pores, and 10% to 80% for the percent open area of at least one surface; a separating membrane obtained from the porous body; an adsorbent obtained from the porous body; and a method for producing the porous body. With the invention, a porous body with the percent surface open area and pore diameter restricted to specific ranges can be obtained. Because this porous body has an ultrafine homogeneous porous structure with pore diameter that can be restricted to a range on the order of nanometers to micrometers, it can be used advantageously as a separating membrane or adsorbent, such as a blood component-separating membrane in an artificial kidney, etc.

MAGNETIC ADSORBENTS, METHODS FOR MANUFACTURING A MAGNETIC ADSORBENT, AND METHODS OF REMOVAL OF CONTAMINANTS FROM FLUID STREAMS

CA 2876164 ABSTRACT A magnetic adsorbent is disclosed which contains an adsorbent and iron oxide implanted onto a surface of the adsorbent, wherein the total surface area of the magnetic adsorbent is not substantially less than a total surface area of the adsorbent. The magnetic adsorbent further contains an additive such as a halogen or halide, wherein the halogen or halide enhances oxidation of mercury in a contaminated stream when the magnetic adsorbent is placed into contact with contaminated streams. CA 2876164 2019-07-26 ...

REGENERABLE SORBENT FOR CARBON DIOXIDE REMOVAL

A mixed salt composition adapted for use as a sorbent for carbon dioxide removal from a gaseous stream is provided, the composition being in solid form and including magnesium oxide, an alkali metal carbonate, and an alkali metal nitrate, wherein the composition has a molar excess of magnesium characterized by a Mg:X atomic ratio of at least about 3:1, wherein X is the alkali metal. A process for preparing the mixed salt is also provided, the process including mixing a magnesium salt with a solution comprising alkali metal ions, carbonate ions, and nitrate ions to form a slurry or colloid including a solid mixed salt including magnesium carbonate; separating the solid mixed salt from the slurry or colloid to form a wet cake; drying the wet cake to form a dry cake including the solid mixed salt; and calcining the dry cake to form a mixed salt sorbent.

FILTRATION MEDIUM COMPRISING A CARBON OXYCHALCOGENIDE

Described herein is a filtration medium comprising a carbon substrate having a surface of COxEy, wherein E is selected from at least one of S, Se, and Te; and wherein x is no more than 0.1 and y is 0.005 to 0.3; a filtration device comprising the filtration medium; and methods of removing chloramines from aqueous solutions.

BONDING MATERIAL FOR THE ADSORPTION OF SOLVED ORGANIC MATERIALS OF UP TO A PREDICTED MOLECULAR WEIGHT FROM A LOESUNG.

Composite adsorbents, useful for elimination of contaminants in light hydrocarbons, comprises alumina, zeolite and metallic components

Solid adsorbents formed for the purification of hydrocarbons comprises: (1) an alumina; (2) a zeolite present in a quantity of at least 10% molar of the stoichiometric amount necessary to neutralize the negative charge on the zeolite lattice, expressed as oxide; and (3) a metallic constituent. Independent claims are also included for the following: (1) preparation of the composite adsorbents; and (2) process of eliminating contaminants in hydrocarbons.

METHOD OF PRODUCING LIMESTONE OF SATURATION WITH IMPROVED FUNCTIONALITY

ZEOLITE ADSORBENTS WITH LARGE EXTERNAL SURFACE, METHOD OF THEIR PRODUCTION AND THEIR APPLICATION

КОМПОЗИЦИЯ ПОРОШКООБРАЗНОЙ ИЗВЕСТИ, СПОСОБ ПОЛУЧЕНИЯ КОМПОЗИЦИИ ПОРОШКООБРАЗНОЙ ИЗВЕСТИ (ВАРИАНТЫ) И ПРИМЕНЕНИЕ КОМПОЗИЦИИ ПОРОШКООБРАЗНОЙ ИЗВЕСТИ ДЛЯ ОЧИСТКИ ДЫМОВЫХ ГАЗОВ

Композиция порошкообразной извести дополнительно включает щелочной металл и имеет измеренную методом ВЕТ удельную поверхность не менее 25 м2/г и измеренный методом BJH десорбции азота общий объем пор не менее 0,1 см3/г, способ получения композиции порошкообразной извести и применение композиции порошкообразной извести для очистки дымовых газов.

ИМПРЕГНИРОВАННЫЙ КИСЛОТОЙ АКТИВИРОВАННЫЙ УГОЛЬ И СПОСОБЫ ПОЛУЧЕНИЯ И ИСПОЛЬЗОВАНИЯ

Импрегнированная кислотой матрица активированного угля, которую изготавливают из углеродсодержащего материала путем добавления минеральной кислоты, может быть использована для хемосорбции аммиака из газового потока. Аммиак реагирует с кислотой с образованием удобрительной соли. Отработанная матрица может быть использована как удобрение, или удобрительная соль может быть удалена из матрицы промывкой.

ZEOLITE MATERIAL MADE FROM MESOPOROUS ZEOLITE

METHOD OF PRODUCING GRANULATED SORBENT FOR LITHIUM EXTRACTION FROM LITHIUM-CONTAINING BRINES IN CONDITIONS OF PRODUCTION OF COMMERCIAL LITHIUM PRODUCT

METHOD OF MODIFYING CHARACTERISTICS OF SURFACE OF ALUMINUM OXIDE

СПОСОБ ПОЛУЧЕНИЯ СОРБЕНТА, СОРБЕНТ, ПОЛУЧЕННЫЙ ЭТИМ СПОСОБОМ, И ИСПОЛЬЗОВАНИЕ СОРБЕНТА В КАЧЕСТВЕ КОРМОВОЙ ДОБАВКИ И МЕДИЦИНСКОГО СРЕДСТВА

Настоящее изобретение относится к способу получения сорбента, который включает измельчение плодовой оболочки вызревших семян подсолнечника, их кислотный гидролиз, промывку водой, сушку и формирование определенной структуры, состоящей из лигнина, целлюлозы и меланина, где кислотный гидролиз проводят 0,1-36% раствором кислоты в течение 1,5-4,5 ч в режиме кипения под давлением 3 атм. Промывку водой осуществляют 0,1-1,0% раствором щелочи и затем умягченной водой с последующей сушкой продукта. Сорбент представляет собой пористую многоуровневую матрицу на основе лигнина, целлюлозы и меланина. Изобретение далее раскрывает сорбент и его применение для профилактики и лечения заболеваний животных, вызванных микотоксинами, пестицидами, вирусными и бактериальными инфекциями, и в качестве добавки к корму в виде пищевых волокон. Заявляемый способ характеризуется сокращением технологического цикла за счет оптимизации режимов и подбора реагентов для обработки исходного растительного сырья.

PRODUCTION OF MICROPOROUS COMPOSITE MATERIAL BASED ON CHITOSAN AND ITS APPLICATION

APPLICABLE SOEDINENIYaKMgFDLYaULAVLIVANIYaMETALLOV in FORMEFTORIDOV AND/OR OKSIFTORIDOV in GAZOVOI OR ZhIDKOIFAZE

USE OF A KMgFCOMPOUND FOR TRAPPING METALS IN THE FORM OF FLUORIDES AND/OR OXYFLUORIDES IN A GASEOUS OR A LIQUID PHASE

Method for the agglomeration of fine superabsorber particles

Method for producing porous cellulose beads

The purpose of the present invention is to provide a method for simply and easily producing porous cellulose beads having high mechanical strength without using a toxic and highly corrosive auxiliary starting material and without including a complicated process that is commercially disadvantageous. A method for producing porous cellulose beads of the present invention is characterized in that a cellulose dispersion liquid, which is obtained by mixing an alkaline aqueous solution at a low temperature with cellulose, is brought into contact with a coagulation solvent.

Process for the regeneration of a copper, zinc and zirconium oxide-comprising adsorption composition

The invention relates to a process for the regeneration of a copper-, zinc- and zirconium oxide-comprising adsorption composition after use thereof for the adsorptive removal of carbon monoxide from substance streams comprising carbon monoxide and at least one olefin, in which the adsorption composition is heated to a temperature in the range from 160 to 400° C. and a regeneration gas is passed through the adsorption composition, wherein the regeneration gas comprises 1000 to 3000 ppm of oxygen in an inert carrier gas.

Acid-impregnated activated carbon and methods of forming and using the same

An acid-impregnated activated carbon matrix is formed from a carbonaceous material by the addition of a mineral acid, and may be used to chemisorb ammonia from a gas stream. The ammonia reacts with the acid to form a fertilizer salt. The spent matrix may be used as a fertilizer, or the fertilizer salt may be elutriated from the matrix.

Process for producing a composite material

The present invention relates to a process for producing composite materials which consist essentially of a) at least one oxidic phase; and b) at least one organic polymer phase; by copolymerizing at least one compound A selected from aryloxy metalates, aryloxy semimetalates and aryloxy esters of nonmetals which form oxo acids and are different than carbon and nitrogen with at least one compound B selected from formaldehyde and formaldehyde equivalents, in a reaction medium which is essentially anhydrous, wherein the compound B is used in such an amount that the molar ratio of formaldehyde to the aryloxy groups in compound A is at least 0.9:1.

Microporous uzm-5 inorganic zeolite membranes for gas, vapor, and liquid separations

The present invention discloses microporous UZM-5 zeolite membranes, methods for making the same, and methods of separating gases, vapors, and liquids using the same. The small-pore microporous UZM-5 zeolite membrane is prepared by two different methods, including in-situ crystallization of one or more layers of UZM-5 zeolite crystals on a porous membrane support, and a seeding method by in-situ crystallization of a continuous second layer of UZM-5 zeolite crystals on a seed layer of UZM-5 zeolite crystals supported on a porous membrane support. The membranes in the form of disks, tubes, or hollow fibers have superior thermal and chemical stability, good erosion resistance, high CO 2 plasticization resistance, and significantly improved selectivity over polymer membranes for gas, vapor, and liquid separations.

Metal complex, and adsorbent, occlusion material and separator material made from same

This invention provides a metal complex having a gas adsorption capability, a gas storing capability, and a gas separation capability. The present invention attained the above object by a metal complex comprising: a dicarboxylic acid compound (I) represented by the following General Formula (I), wherein R 1 , R 2 , R 3 , and R 4 are as defined in the specification; at least one metal ion selected from ions of a metal belonging to Group 2 and Groups 7 to 12 of the periodic table; and an organic ligand capable of bidentate binding to the metal ion, the organic ligand belonging to the D ∞h point group, having a longitudinal length of not less than 8.0 Å and less than 16.0 Å, and having 2 to 7 heteroatoms.

Polyacrylic acid (salt), polyacrylic acid (salt)-based water-absorbing resin, and process for producing same

A polyacrylic acid (salt), or a polyacrylic acid (salt)-based water-absorbing resin, contains a tracer for detecting various troubles in the water-absorbing resin during the period from the production of the water-absorbing resin to the use and discard thereof by a consumer. The polyacrylic acid (salt)-based water-absorbing resin has a stable carbon isotope ratio, as determined by accelerator mass spectrometry, of less than −20% and a radioactive carbon content of 1.0×10 −14 or mole. The polyacrylic acid (salt)-based water-absorbing resin has: a CRC of 10 [g/g] or mole; an AAP of 20 [g/g] or mole; an Ext of 35 wt. % or less; a content of residual monomers of 1,000 ppm or less; a PSD in which the proportion of particles having a particle diameter of 150 μm or larger but less than 850 μm is 90 wt. % or more; and an FSR of 0.15 [g/g/s] or more.

Polymeric complex supporter with zero-valent metals and manufacturing method thereof

A zero-valent metal polymeric complex supporter (ZVM-PCS) is disclosed. The PCS possesses porous surface and internal coralloid-like channel structure that can accommodate high amount of iron-containing materials and derivatives thereof. The surface pore size, porosity, hydrophilicitv, and internal coralloid-like channel structure of PCS can be tailored through the manufacturing process, with which PCS can be functioned as a regulator for the releasing of produced hydrogen, and also control the adsorption and reactions toward heavy metals and chlorinated volatile organic compounds in water. The hydrogen released from the ZVM-PCS can be applied to anaerobic bioremediation. Moreover, the ZVM-PCS can be filter materials that can be installed in a column or any storage for water and wastewater treatment, or even in a groundwater cut-off barrier for the cleanup of contamination. While the ZVM-PCS is synthesized as a film without surface openings, it can be used as the electromagnetic interference (EMI) shielding material.

Silica containing basic sorbent for acid gas removal

An acid gas sorbent composition is disclosed. The composition comprises a compound having the following formula: (SiO 2 ) x (OH) y F.B wherein F optionally exists and said F is at least one of the following: a functionalized organosilane, a sulfur-containing organosilane, or an amine-containing organosilane; and wherein B is a hygroscopic solid at a preferred water to solid molar ratio of about 0.1 to about 6, and more particularly, B is a basic inorganic solid including, but not limiting to, alkali or alkali-earth metal oxides, hydroxides, carbonates, or bicarbonates, containing at least one of the following metal cations: calcium, magnesium, strontium, barium, sodium, lithium, potassium, cesium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, dysprosium, scandium, ytterbium, yttrium, or erbium; wherein the molar ratio of y/x is equal to about 0.01 to about 0.5.

Superabsorbent Comprising Pyrogenic Aluminum Oxide

Superabsorbents comprising pyrogenic aluminum oxide exhibit a low caking tendency coupled with good absorption properties and rapid water absorption.

MATERIALS FOR GAS CAPTURE, METHODS OF MAKING MATERIALS FOR GAS CAPTURE, AND METHODS OF CAPTURING GAS

In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, embodiments of the present disclosure, in one aspect, relate to materials that can be used for gas (e.g., CO) capture, methods of making materials, methods of capturing gas (e.g., CO), and the like, and the like. 1. A method of removing CO , comprising:providing an ammonolyated/nitradated material; and{'sub': 2', '2, 'exposing the ammonolyated/nitradated material to CO, wherein at least a portion of the COis captured by the ammonolyated/nitradated material.'}2. The method of claim 1 , wherein the ammonolyated/nitradated material is selected from the group consisting of: an ammonolyated/nitradated silica material claim 1 , an ammonolyated/nitradated metal oxide material claim 1 , an ammonolyated/nitradated non-metal oxide material claim 1 , and a combination thereof.3. The method of claim 2 , wherein the ammonolyated/nitradated silica material has a plurality of silicon-amine groups.4. The method of claim 2 , wherein the ammonolyated/nitradated metal oxide material has a plurality of metal oxide-amine groups.5. The method of claim 2 , wherein the ammonolyated/nitradated non-metal oxide material has a plurality of non-metal oxide-amine groups.6. The method of claim 1 , wherein the ammonolyated/nitradated material has a structure selected from the group consisting of: a porous structure claim 1 , a non-porous structure claim 1 , an amorphous structure claim 1 , and a crystalline structure.7. A structure comprising: an ammonolyated/nitradated material having the characteristic of capturing CO.8. The structure of claim 7 , wherein the ammonolyated/nitradated material is selected from the group consisting of: an ammonolyated/nitradated silica material claim 7 , an ammonolyated/nitradated metal oxide material claim 7 , an ammonolyated/nitradated non-metal oxide material claim 7 , and a combination thereof.9. The structure of claim 8 , wherein the ammonolyated/nitradated ...

AMIDOXIME-MODIFIED POLYACRYLONITRILE POROUS BODY

An amidoxime-modified PAN porous body obtained by reacting with hydroxylamine a polyacrylonitrile porous body that is monolithic, has a thickness of 1 mm or more and contains polyacrylonitrile (PAN) as the main component to convert a nitrile group of the polyacrylonitrile porous body into an amidoxime group. This porous body is a porous body for adsorbing a metal ion, for example, an ion of metal such as copper, iron, nickel, vanadium, indium, gallium, silver, mercury, lead, uranium, plutonium, cesium, barium, lanthanum, thallium and strontium. 1. An amidoxime-modified polyacrylonitrile porous body obtained by reacting with hydroxylamine a polyacrylonitrile porous body A that is monolithic , has a thickness of 1 mm or more and contains polyacrylonitrile as the main component to convert part of a nitrile group of the polyacrylonitrile porous body into an amidoxime group.2. The amidoxime-modified polyacrylonitrile porous body according to claim 1 , wherein the polyacrylonitrile porous body A is obtained by a method comprising the steps of:obtaining a polyacrylonitrile solution by heating and dissolving polyacrylonitrile in a solvent (first solvent);obtaining a product precipitated by cooling the polyacrylonitrile solution, andobtaining the polyacrylonitrile porous body A that is monolithic, has a thickness of 1 mm or more and contains polyacrylonitrile as the main component by immersing the product in a different solvent (second solvent) to replace the solvent (first solvent) with the different solvent (second solvent),the solvent (first solvent) containing a poor solvent for polyacrylonitrile and a good solvent for polyacrylonitrile,the poor solvent being one or more selected from the group consisting of water, acetonitrile, ethylene glycol, methanol, ethanol, isopropanol, ethylene glycol and glycerin, andthe good solvent being one or more selected from the group consisting of dimethyl sulfoxide, dimethyl formamide, dimethyl acetamide and N-methyl-pyrrolidone.3. The ...

POROUS BODY AND PRODUCTION METHOD THEREFOR

The present invention provides a porous material which has continuous pores and comprises a polymethyl methacrylate as a main component, wherein the continuous pores have a diameter of 0.001 μm to 500 μm and at least one surface of the porous material has a porosity of 10% to 80%; a separation membrane composed of the same; an adsorbent composed of the same; and a method production of the same. A porous material whose surface porosity and pore diameter are each controlled in a specific range can be obtained. The porous material has a fine and uniform porous structure in which the pore diameter can be controlled in the order of nanometers to micrometers; therefore, it can be advantageously used as a separation membrane such as a blood component separation membrane of an artificial kidney or the like or as an adsorbent. 1. A porous material , which has continuous pores and comprises a polymethyl methacrylate as a main component , wherein said continuous pores have a diameter of 0.001 μm to 500 μm and at least one surface of said porous material has a porosity of 10% to 80%.2. The porous material according to claim 1 , which comprises an isotactic polymethyl methacrylate at a ratio of less than 10% by weight.3. The porous material according to claim 1 , wherein claim 1 , in a curve of a graph which is obtained by Fourier transformation of a micrograph taken for a square field having a side length of 10 times to 100 times of said pore diameter of said porous material and plots the wavenumber on the abscissa and the strength on the ordinate claim 1 , the half value width of a peak claim 1 , (a) claim 1 , and the maximum wavelength of said peak claim 1 , (b) claim 1 , satisfies a condition claim 1 , 0<(a)/(b)≦1.2.4. The porous material according to claim 1 , wherein claim 1 , when the amount of a repeating unit rendered by at least one monomer selected from methacrylic acids claim 1 , methacrylic acid esters composed of a methacrylic acid and a hydrocarbon group having 2 ...

Mixed salt co2 sorbent, process for making and uses thereof

The invention relates to a mixed salt composition which is useful as a CO 2 sorbent. The mixed salt composition comprises a Mg salt, and at least one Group IA element salt, where the Mg and Group IA element are present at a molar ratio of from 3:1 to 8:1. The resulting composition can adsorb about 20% or more of CO2 in a gas. Via varying the molar ratios of the components, and the Group IA element, one can develop compositions which show optional functionality at different conditions. The composition is especially useful in the adsorptive capture of CO 2 on mobile sources, such as transportation vehicles, where it can be recovered during regeneration of the adsorbent composition and the CO 2 used as a coolant gas, as a reactant in manufacture of fuel, and so forth.

ORGANOMETALLIC ALUMINUM FUMARATE BACKBONE MATERIAL

Porous metal organic frameworks formed by Alions to which fumarate ions are coordinated to produce a framework structure; shaped bodies comprising such porous metal organic frameworks, and also the preparation and use thereof for the uptake of a substance for the purposes of its storage, controlled release, separation, chemical reaction or as support. 116-. (canceled)17. A porous metal organic framework comprising Alions and fumarate ions , wherein the Alions and the fumarate ions are coordinated in a framework structure , wherein the framework is present as a powder and has a specific surface area of at least 1000 m/g , determined according to the Langmuir method by Nadsorption at 77 K.18. The porous metal organic framework according to claim 17 , wherein an X-ray diffraction pattern (XRD) of the framework has a basic reflection of 8°<2Θ<12°.19. The porous metal organic framework according to claim 17 , wherein the framework structure has an orthorhombic one-dimensional channel structure.20. A shaped body comprising a porous metal organic framework according to .21. The porous metal organic framework according to claim 17 , wherein the powder has a specific surface area of at least 1200 m/g claim 17 , determined according to the Langmuir method by Nadsorption at 77 K.22. The porous metal organic framework according to claim 17 , wherein the powder has a specific surface area of at least 1400 m/g claim 17 , determined according to the Langmuir method by Nadsorption at 77 K.23. The porous metal organic framework according to claim 17 , wherein the powder has a specific surface area of at least 1600 m/g claim 17 , determined according to the Langmuir method by Nadsorption at 77 K.24. The porous metal organic framework according to claim 17 , wherein the powder has a specific surface area of at least 1800 m/g claim 17 , determined according to the Langmuir method by Nadsorption at 77 K.25. The porous metal organic framework according to claim 17 , wherein the powder ...

Renewable resource-based metal oxide-containing materials and applications of the same

Metal nanocomposites and methods of producing the same are disclosed. The nanocomposites have metal nanoparticles dispersed in a matrix carrier and can be produced by: treating a matrix material having a functional group with a quaternary amine compound to form a function site; treating the matrix material with a metal salt such that a metal ion of the metal salt is chelated with the functional site; treating the matrix material with an alkali; and microwaving the matrix material to form the metal nanocomposites.

Activation of Porous MOF Materials

A method for the treatment of solvent-containing MOF material to increase its internal surface area involves introducing a liquid into the MOF in which liquid the solvent is miscible, subjecting the MOF to supercritical conditions for a time to form supercritical fluid, and releasing the supercritical conditions to remove the supercritcal fluid from the MOF. Prior to introducing the liquid into the MOF, occluded reaction solvent, such as DEF or DMF, in the MOF can be exchanged for the miscible solvent. 1. A metal-organic framework material comprising:a plurality of metal ions or metal clusters; anda plurality of organic ligands coordinated to the plurality of metal ions or clusters,wherein the metal-organic framework material has been treated with a supercritical fluid to increase its internal surface area.2. The metal-organic framework of claim 1 , wherein the metal-organic framework comprises a nitrogen accessible surface area of at least 1910 m/g.3. The metal-organic framework material of claim 1 , wherein:{'sub': '4', 'the metal-organic framework material includes a plurality of ZnO clusters; and'}{'sub': '4', 'the plurality of organic ligands are coordinated to the plurality of ZnO clusters.'}5. The metal-organic framework material of claim 3 , wherein the metal-organic framework material comprises a nitrogen-accessible surface area of more than 400 m/g.6. The metal-organic framework material of claim 5 , wherein the metal-organic framework material comprises a nitrogen-accessible surface area of at least 1910 m/g.7. The metal-organic framework material of claim 6 , wherein the metal-organic framework material comprises the nitrogen-accessible surface area of at least 2850 m/g.8. A method for the treatment of a MOF material to increase its internal surface area claim 6 , comprising introducing a liquid into the MOF claim 6 , subjecting the MOF to supercritical conditions to form supercritical fluid claim 6 , and releasing the supercritical conditions to remove ...

LINKER EXCHANGE IN ZEOLITIC IMIDAZOLATE FRAMEWORKS

A method is provided for replacing at least a portion of the organic linker content of a zeolitic imidazolate framework composition. The method comprises exchanging the organic linker with another organic linker. Also provided is a new material, designated as EMM-19, and a method of using EMM-19 to adsorb gases, such as carbon dioxide. 1. A method for exchanging imidazolate linker in a zeolitic imidazolate framework composition , said method comprising the steps of: (a) providing a first zeolitic imidazolate framework composition having a tetrahedral framework comprising a general structure , M-IM-M , wherein Mand Mcomprise the same or different metal cations , and wherein IMis an imidazolate or a substituted imidazolate linking moiety; (b) providing a liquid composition comprising IM , wherein IMis an imidazolate or a substituted imidazolate which is different from IM; and (c) contacting the first zeolitic imidazolate framework composition with the liquid composition under conditions sufficient to exchange at least a portion of IMwith at least a portion of IMand to produce a second zeolitic imidazolate framework composition , M-IM-M , wherein IMcomprises IM , and wherein the framework type of the second zeolitic imidazolate framework composition is different from the framework type obtained when a zeolitic imidazolate framework composition is prepared by crystallizing a liquid reaction mixture comprising a solution of M , Mand IM.2. A method according to claim 1 , wherein the framework type of the first zeolitic imidazolate framework composition is the same as the framework type of the second zeolitic imidazolate framework composition.3. A method according to claim 1 , wherein the first zeolitic imidazolate framework composition comprises less than 1 mole percent of IM claim 1 , based on the total moles of IMand IMin the first zeolitic imidazolate framework composition claim 1 , wherein the liquid composition comprises less than 1 mole percent of IM claim 1 , based ...

Color-Stable Superabsorbent

A superabsorbent having surfaces complexed with polyvalent metal ions and which contains at least one phosphonic acid derivative, and the molar ratio between polyvalent metal and phosphonic acid derivative is at most 1.2/n, where n is the number of phosphonic acid groups in the phosphonic acid derivative. The superabsorbent exhibits good stability against discoloration and a surprisingly low caking tendency without any significant impairment of its performance properties. 1. A superabsorbent whose surfaces have been complexed with polyvalent metal ions and which comprises at least one phosphonic acid derivative , where a molar ratio between the polyvalent metal and the phosphonic acid derivative is at most 1.2/n , wherein n is the number of phosphonic acid groups in the phosphonic acid derivative.2. The superabsorbent according to claim 1 , wherein the polyvalent metal ions are aluminum ions.3. The superabsorbent according to claim 1 , wherein the phosphonic acid derivative is selected from the group consisting of (1-hydroxyethane-1 claim 1 ,1-diyl)bisphosphonic acid claim 1 , ethylenediaminetetra(methylenephosphonic acid) claim 1 , diethylenetriaminepenta(methylenephosphonic acid) claim 1 , [nitrilotris(methylene)]tris(phosphonic acid) claim 1 , and salts thereof.4. The superabsorbent according to claim 3 , wherein the phosphonic acid derivative is a sodium and/or potassium salt of (1-hydroxyethane-1 claim 3 ,1-diyl)bisphosphonic acid.5. The superabsorbent according to claim 1 , which further comprises a water-insoluble inorganic powder.6. The superabsorbent according to claim 5 , wherein the inorganic powder is silicon dioxide claim 5 , aluminum oxide claim 5 , zinc oxide claim 5 , or zinc carbonate.7. The superabsorbent according to claim 6 , wherein the inorganic powder is pyrogenic aluminum oxide.8. The superabsorbent according to claim 5 , wherein the inorganic powder is hydrophilic.9. A process for producing a superabsorbent by polymerizing an aqueous monomer ...

WATER-ABSORBENT POLYMER PARTICLES

The present invention relates to a process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution in a surrounding heated gas phase and flowing the gas cocurrent through the polymerization chamber, wherein the temperature of the gas leaving the polymerization chamber is 130° C. or less, the gas velocity inside the polymerization chamber is at least 0.5 m/s, and the droplets are generated by using a droplet plate having a multitude of bores. 1. A process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution; comprisinga) at least one ethylenically unsaturated monomer which bears acid groups and optionally is at least partly neutralized,b) at least one crosslinker,c) at least one initiator,d) optionally one or more ethylenically unsaturated monomer copolymerizable with the monomer mentioned under a),e) optionally one or more water-soluble polymer, andf) water,in a surrounding heated gas phase and flowing the gas cocurrent through a polymerization chamber, wherein a temperature of the gas leaving the polymerization chamber is 130° C. or less, a gas velocity inside the polymerization chamber is at least 0.5 m/s, and the droplets are generated by using a droplet plate having a multitude of bores.2. A process according to claim 1 , wherein the temperature of the gas leaving the polymerization chamber is from 115 to 125° C.3. A process according to claim 1 , wherein the gas velocity inside the polymerization chamber is from 0.7 to 0.9 m/s.4. A process according to claim 1 , wherein a separation of the bores is from 15 to 30 mm.5. A process according to claim 1 , wherein the diameter of the bores is from 150 to 200 μm.6. A process according to claim 1 , wherein the water-absorbent polymer particles are postcrosslinked with a compound comprising groups which can form at least two covalent bonds with carboxylate groups of the polymer particles.7. A process according to claim 1 , wherein the water ...

AEROGEL SORBENTS

The current invention describes methods and compositions of various sorbents based on aerogels of various silanes and their use as sorbent for carbon dioxide. Methods further provide for optimizing the compositions to increase the stability of the sorbents for prolonged use as carbon dioxide capture matrices. 1. A process of preparing a carbon dioxide capture sorbent comprising the steps of hydrolyzing at least an alkylalkoxysilane , reacting the hydrolyzed alkylalkoxysilane with at least a hydrolyzed aminosilane to form a gel and drying the resulting gel to obtain an aerogel , wherein the aerogel comprises at least an open pore accessible to carbon dioxide.2. The process of wherein at least an amino group is accessible to carbon dioxide.3. The process of wherein the aerogel is hydrophobic.4. The process of further comprising the step of reacting a hydrolyzed tetra-alkoxysilane with at least one of the hydrolyzed silanes.5. The process of further comprising the step of reacting a dialkyldialkoxysilane with at least one of the hydrolysed silanes.6. The process of wherein the alkyl group contains between 1 and 6 carbon atoms.7. The process of wherein any of the silanes have additional functional groups.8. The process of wherein the alkylalkoxysilane contains a mono claim 1 , di or tri alkyl groups and selected from the group consisting of methyltrimethoxysilane claim 1 , methyltriethoxysilane claim 1 , ethyltrimethoxysilane claim 1 , ethyltriethoxysilane claim 1 , propyltrimethoxysilane claim 1 , propyltriethoxysilane claim 1 , dimethyldimethoxysilane claim 1 , dimethyldiethoxysilane claim 1 , diethyldiethoxysilane claim 1 , diethyldimethoxysilane claim 1 , trimethylmethoxysilane claim 1 , trimethylethoxysilane claim 1 , triethylmethoxysilane claim 1 , triethylethoxysilane claim 1 , tripropylmethoxysilane claim 1 , tripropylethoxysilane claim 1 , (3 claim 1 ,3 claim 1 ,3-Trifluoropropyl)trimethoxysilane claim 1 , (3 claim 1 ,3 claim 1 ,3-Trifluoropropyl) ...

FLAKY MESOPOROUS PARTICLES, AND METHOD FOR PRODUCING THE SAME

Provided is a mesoporous particle having a flaky shape, having a single-layer structure, having a thickness of 0.1 μm to 3 μm, and having an average pore diameter of 10 nm or more. The mesoporous particle can be obtained by a production method including: feeding a metal oxide sol having a pH of 7 or higher and containing metal oxide colloidal particles as dispersoids and water as a dispersion medium, into a liquid containing a water-miscible solvent having a relative permittivity of 30 or lower (protic solvent) or of 40 or lower (aprotic solvent) at 20° C., and thereby forming a flaky aggregate of the metal oxide colloidal particles in the liquid; and subjecting the aggregate to treatment such as drying and heating, and thereby converting the aggregate into a flaky particle that is insoluble in water. 1. A mesoporous particle having a flaky shape , having a single-layer structure , having a thickness of 0.1 μm to 3 μm , and having an average pore diameter of 10 nm or more.2. The mesoporous particle according to claim 1 , comprising metal oxide particles aggregated in such a manner as to form mesopores between the particles.3. The mesoporous particle according to claim 1 , having a specific surface area of 50 m/g to 500 m/g.4. The mesoporous particle according to claim 1 , comprising aggregated particles of at least one metal oxide selected from silicon oxide claim 1 , titanium oxide claim 1 , zirconium oxide claim 1 , aluminum oxide claim 1 , tantalum oxide claim 1 , niobium oxide claim 1 , cerium oxide claim 1 , and tin oxide.5. The mesoporous particle according to claim 1 , internally including a functional material functioning as at least one selected from a water repellent agent claim 1 , an antibacterial agent claim 1 , an ultraviolet absorber claim 1 , an infrared absorber claim 1 , a coloring agent claim 1 , an electric conductor claim 1 , a heat conductor claim 1 , a fluorescent material claim 1 , and a catalyst.6. The mesoporous particle according to claim ...

Iron coordination polymers for adsorption of arsenate and phosphate

A method includes combining an aqueous solution of sodium fumarate with an aqueous solution of iron chloride to form a mixture, and obtaining an iron coordination polymer as an amorphous compound formed as a precipitate from the mixture. The iron coordination polymer may be used to bind contaminants, such as arsenate and phosphate from water.

PRODUCTION OF BIOCHAR ABSORBENT FROM ANAEROBIC DIGESTATE

A novel carbon absorption material is described which is formed from anaerobic digestate. The material has a hollow tubular structure and is particularly advantageous in converting hydrogen sulfide in biogas and in absorbing the converted sulfur and sulfur compounds from biogas into its structure. The material after use as a hydrogen sulfide absorbent has value as a horticultural or agricultural product or as a sulfur impregnated activated carbon. The process for producing this novel carbon absorption material is described. In an embodiment, the process described uses in particular, a humidified inert gas over a temperature range of between about 500° C. to 900° C. to convert anaerobic digestate to an active carbon absorbent. The thermal treatment is relatively mild and retains the fibrous structure of the source material while removing cellulosic and hemicellulosic components from the anaerobic digestate.

EMM19 NOVEL ZEOLITIC IMIDAZOLATE FRAMEWORK MATERIAL, METHODS FOR MAKING SAME, AND USES THEREOF

A method is provided for forming a zeolitic imidazolate framework composition using at least one reactant that is relatively insoluble in the reaction medium. Also provided herein is a material made according to the method, designated as EMM-19, and a method of using EMM-19 to adsorb gases, such as carbon dioxide. 1. A method for forming a zeolitic imidazolate framework composition , said method comprising the steps of: (a) mixing together a reaction medium , a source of a imidazolate or a substituted imidazolate reactant , IM , and a reactant source of metals Mand Mto form a synthesis mixture , wherein Mand Mcomprise the same or different metal cations , at least one of which reactants is relatively insoluble in the reaction medium itself and in the synthesis mixture; and (b) maintaining the synthesis mixture having at least one relatively insoluble reactant under conditions sufficient to form a zeolitic imidazolate framework composition having a tetrahedral framework comprising a general structure , M-IM-M.2. The method according to claim 1 , wherein the zeolitic imidazolate framework composition product has a framework type that is different from the framework type obtained when a zeolitic imidazolate framework composition is prepared by crystallizing substantially soluble sources of M claim 1 , Mand IM in the same reaction medium.3. The method according to claim 1 , wherein the zeolitic imidazolate framework composition product has a framework type that is the same as the framework type obtained when a zeolitic imidazolate framework composition is prepared by crystallizing substantially soluble sources of M claim 1 , Mand IM in a different reaction medium.4. The method according to claim 1 , wherein the zeolitic imidazolate framework composition product exhibits a framework type selected from the group consisting of ABW claim 1 , AGO claim 1 , AEI claim 1 , AEL claim 1 , AEN claim 1 , AET claim 1 , AFG claim 1 , AFI claim 1 , AFN claim 1 , AFO claim 1 , AFR ...

ZWITTERIONIC STATIONARY PHASE FOR HYDROPHILIC INTERACTION LIQUID CHROMATOGRAPHY AND PREPARATION METHOD THEREOF

A type of liquid chromatographic stationary phase and preparation method thereof, the bonding terminal of the chromatographic stationary phase is zwitterionic functional group. The preparation method includes the following steps, alkenyl or alkynyl silane is bonded onto the surface of silica based on the horizontal polymerization approach to obtain alkenyl- or alkynyl-modified silica. Then the thiol click reaction with zwitterionic compound containing thiol group is performed to obtain the zwitterionic hydrophilic interaction chromatographic stationary phase. The present stationary phase possesses both zwitterionic characteristics and excellent hydrophilicity. It can be widely applied in the separation of variety of samples. 2. A preparation method for the stationary phases as described in claim 1 , characterized in that:a. Pretreatment of silica: after adding hydrochloric acid or nitric acid aqueous solution with the concentration of 1˜38 wt % into silica gel, the solution is heated to reflux while stirring for 1˜48 hours. The resulted material is filtered, washed with water until neutral and dried to constant weight under 100˜160° C. After that, the dried silica gel is placed in nitrogen or argon atmosphere with the humidity of 20˜80% for 24˜72 hours until the weight increment is 0.5˜10 wt % to obtain the humidified silica.b. Polymerization on silica surface: the humidified silica obtained from step a is first placed in reaction vessel made of glass or polytetrafluoroethylene, and organic solvent is added under nitrogen atmosphere. The solution is stirred and mixed well, and then alkenyl or alkynyl silane is dropwise added. The reaction is performed under 20˜200° C. for 2˜48 hours with continuous stirring. After that, the reaction is cooled to room temperature. The reaction product is filtered and washed by toluene, dichloromethane, methanol, water, tetrahydrofuran and methanol successively. The solid product is dried under 60˜100° C. for 12˜24 hours to obtain ...

Hydrocarbon sorbent materials

Sorbent polymers which are selective to taking up hydrocarbons are provided for separating hydrocarbons from fluids and taking up hydrocarbons from off of and intermixed with solid materials. The hydrocarbons may at least partially be expressed out of and recovered from the polymer by squeezing. The polymers may be re-used for picking up additional hydrocarbons. Methods for producing and using the polymers are also provided.

Titano-silico-alumino-phosphate

A titano-silico-aluminophosphate which contains tetrahedrally coordinated titanium in the framework structure, which has a free coordination site for CO which can be detected by means of a characteristic IR band at 2192±5 cm −1 . The titano-silico-aluminophosphate has extremely high hydrothermal stability and has a good adsorption capacity even at higher temperatures. Also, a hydrothermal method to obtain a titano-silico-aluminophosphate starting from a synthetic gel mixture of an aluminium, phosphorus, silicon and a titanium source, as well as corresponding templates.

Metal-organic framework materials with ultrahigh surface areas

A metal organic framework (MOF) material including a Brunauer-Emmett-Teller (BET) surface area greater than 7,010 m 2 /g. Also a metal organic framework (MOF) material including hexa-carboxylated linkers including alkyne bond. Also a metal organic framework (MOF) material including three types of cuboctahedron cages fused to provide continuous channels. Also a method of making a metal organic framework (MOF) material including saponifying hexaester precursors having alkyne bonds to form a plurality of hexa-carboxylated linkers including alkyne bonds and performing a solvothermal reaction with the plurality of hexa-carboxylated linkers and one or more metal containing compounds to form the MOF material.

METHOD FOR PRODUCING POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT RESIN POWDER

From a view pint of decreasing an out of spec product after surface crosslinking, particularly, when an alkylene carbonate compound is used as a surface crosslinking agent, influence due to an air temperature is great, and it is necessary to reduce ethylene glycol which is produced as a byproduct. 130-. (canceled)31. A method for producing a polyacrylic acid (salt)-based water absorbent resin powder , comprising mixing a mixture obtained by mixing a non-polymerized organic compound in a heated-melted state with one or more of other compounds at a predetermined ratio , with a polyacrylic acid (salt)-based water absorbent resin particle.32. A method for producing a polyacrylic acid (salt)-based water absorbent resin powder , comprising mixing a mixture of a non-polymerized organic compound and one or more other compounds , the mixture being controlled at a predetermined ratio with a mass flowmeter , with a polyacrylic acid (salt)-based water absorbent resin particle.33. The method according to claim 31 , wherein a mass flowmeter is used for controlling a mixing ratio of the non-polymerized organic compound and the one or more other compounds claim 31 , or claim 31 , for controlling a mixing ratio of a mixture of the non-polymerized organic compound and the one or more other compounds claim 31 , with a water absorbent resin.34. The method according to claim 32 , wherein the mass flowmeter is a Coriolis-type mass flowmeter.35. The method according to claim 33 , wherein the mass flowmeter is a Coriolis-type mass flowmeter.36. The method according to claim 31 , wherein the mixture obtained by mixing at a predetermined ratio is an aqueous solution.37. The method according to claim 31 , wherein the non-polymerized organic compound has a melting point of 10 to 100° C. claim 31 , and the heated-melted state is a state to be heated to a range exceeding a melting point by 100° C. or less and 30 to 90° C.38. The method according to claim 31 , wherein a temperature of the one or ...

Pharmaceutical compound which includes clinoptilolite

This invention is for a compound for treating a human or animal body to relieve the symptoms of any one of chemical-, substance-, and medicine induced gastrointestinal tract irritation, the compound including clinoptilolite. The invention is also for a compound for treating a human or animal body to lower the incidences of gastic events in persons using non-steroidal, anti-inflammatory medications, the compound including clinoptilolite.

METAL-ORGANIC FRAMEWORK ADSORBENTS FOR COMPOSITE GAS SEPARATION

Metal-organic frameworks of the family M(2,5-dioxido-1,4-benzenedicarboxylate) wherein M=Mg, Mn, Fe, Co, Cu, Ni or Zn are a group of porous crystalline materials formed of metal cations or clusters joined by multitopic organic linkers that can be used to isolate individual gases from a stream of combined gases. This group of adsorbant materials incorporates a high density of coordinatively-unsaturated Mcenters lining the pore surfaces. These adsorbents are particularly suited for selective carbon dioxide/monoxide adsorption via pressure swing adsorption near temperatures of 313 K since they selectively adsorb carbon dioxide at high pressures in the presence of hydrogen, and desorb carbon dioxide upon a pressure decrease. The redox-active Fecenters in Fe(dobdc) can be used for the separation of Ofrom Nand other separations based on selective, reversible electron transfer reactions. Gas storage, such as acetylene storage, and catalysis, such as oxidation, are also useful applications of these materials. 1. A method of separating constituent gases from a stream of mixed gases containing a first chemical and a second chemical , said method comprising:{'sub': '2', 'contacting a stream of mixed gases containing a first chemical and a second chemical with a metal-organic framework adsorbent comprising M(2,5-dioxido-1,4-benzenedicarboxylate) wherein M=Mg, Mn, Fe, Co, Cu, Ni or Zn;'}adsorbing molecules of the first chemical to the metal-organic framework to obtain a stream richer in the second chemical as compared to the mixture stream;releasing adsorbed first chemical from the metal-organic framework adsorbent to obtain a stream richer in the first chemical as compared to the mixture stream; andcollecting said richer streams of the first chemical and the second chemical.2. A method as recited in :wherein the first chemical is carbon dioxide; andwherein the second chemical is hydrogen.3. A method as recited in :wherein the first chemical is oxygen; andwherein the second ...

Iron Detection And Remediation With A Functionalized Porous Polymer

Ether-thioether functionalized porous aromatic framework (PAF) polymers provide high selectivity for iron(II) and iron(III) adsorption in aqueous samples. 1. An ether-thioether functionalized porous aromatic framework (PAF-1-ET) polymer with selectivity for iron(III) and iron(III) adsorption in aqueous samples.2. The polymer of claim 1 , wherein the PAF is of forms la: (2-(methylthio)ethoxy)methyl-PAF (CHSCHCHOCH-PAF or PAF-CHOCHCHSCH).3. The polymer of claim 1 , wherein the PAF comprises carbon atoms tetrahedrally connected to four neighboring carbon atoms though two phenyl rings.4. The polymer of claim 1 , synthesizable using a nickel(0)-catalyzed Yamamoto-type Ullmann cross-coupling reaction to couple the phenyl rings to a tetrakis(4-bromophenyl)methane a tetrahedral building unit.5. The polymer of which exhibits selectivity for the adsorption of iron(II) and iron(III) ions over other biologically-relevant metal ions at initial concentrations of 0.3 claim 1 , 2 claim 1 , 10 or 20 mg/L claim 1 , for example claim 1 , the distribution coefficient claim 1 , K claim 1 , for 10 mg/L iron(II) in pH=6.7 HEPES buffer is over an order of magnitude greater than the Kvalues for 10 mg/L of Na claim 1 , K claim 1 , Mg claim 1 , Ca claim 1 , Cu claim 1 , and Zn.6. A composition comprising the polymer of a claim 1 , combined with an 8-hydroxyquinoline colorimetric indicator.7. A method of making the polymer of a claim 1 , comprising the step of reacting PAF-1-CHCl with 2-(methylthio)ethan-1-ol to obtain PAF-1-ET.8. A method of using the polymer of claim 1 , comprising absorbing to the polymer iron ions from a water sample.9. A method of detecting iron in a sample comprising absorbing to the polymer of iron ions of the sample claim 1 ,10. A method of removing iron from a sample comprising absorbing to the polymer of iron ions of the sample claim 1 , and separating the iron ions from the sample. This invention was made with government support under Grant Number GM079465 awarded ...

MONOLITHIC TRACE-CONTAMINANT SORBENTS FABRICATED FROM 3D-PRINTED POLYMER PRECURSORS

High purity carbon sorbent monoliths that are particularly effective for the adsorption and subsequent desorption of trace-contaminants, such as ammonia, are produced by 3D-printing polymer monoliths, carbonizing them, and subsequently activating them to produce an effective amount of at least one type of oxygen species on exposed carbon surfaces. The high purity carbon sorbent monoliths are vacuum-regenerable on a time scale of a few minutes. 1. A method for the reversible removal of at least one trace contaminant from a gaseous environment that contains said at least one trace contaminant , comprising the steps:producing a porous, carbon sorbent monolith that is capable of sorption and desorption of said at least one trace contaminant, said capable sorbent monolith being produced by 3D-printing a polymer monolith from a polymer precursor, carbonizing said polymer monolith so as to produce a high-purity carbon monolith, and exposing said high-purity carbon monolith to an oxidizing environment under conditions sufficient to produce an additional at least about 0.25 percent of total carbon weight of at least one oxygen species on exposed surfaces of said high-purity carbon monolith;causing a volume of gas from a gaseous environment that contains said at least one trace contaminant to pass through said capable sorbent monolith, to thereby effect sorption of said at least one trace contaminant from said gas volume; andsubjecting said capable sorbent monolith to vacuum force to thereby effect desorption and removal of a substantial portion of the adsorbed said at least one trace contaminant therefrom.2. A method for the production of a carbon sorbent monolith for removing at least one gas from a gaseous environment in which the at least one gas is contained , comprising the steps:3D-printing of a polymer monolith from a polymer precursor;carbonizing said polymer monolith so as to produce a high-purity carbon monolith by exposure to elevated temperatures of at least ...

Method of Obtaining Inorganic Sorbents for Extraction of Lithium From Lithium-Containing Natural and Technological Brines

The invention provides a method of obtaining inorganic sorbents for extraction of lithium from lithium-containing natural and technological brines. The method consists of steps of obtaining six consecutive non-stoichiometric compound, wherein at the final step the sixth non-stoichiometric compound is obtained by converting the fifth non-stoichiometric compound into a hydrogen-form of inorganic ion-exchanger by treating the fifth non-stoichiometric compound with an acid solution. The method improves selectivity and exchangeability of sorbents to lithium based on manganese oxides, as well as chemical stability of the sorbents in cyclic operations. 1. A method of obtaining inorganic sorbents for the extraction of lithium from lithium-containing natural and technological brines , the method comprising the steps of:a) obtaining a first non-stoichiometric compound by contacting a soluble manganese (II) salt with an alkali solution in the presence of at least one aluminum (III) salt to obtain a precipitate of hydrated mixed oxide of manganese (II) and aluminum (III) as a precipitate in a mother solution;b) obtaining a second non-stoichiometric compound that comprises a precipitate of hydrated mixed oxide of manganese (III), manganese (IV) and aluminum (III) by oxidizing the first non-stoichiometric compound with the use of a solution of a strong oxidizing agent;c) isolating the obtained second non-stoichiometric compound from the mother solution to obtain a wet paste of hydrated mixed oxide of manganese (III), manganese (IV) and aluminum (III);d) obtaining a third non-stoichiometric compound by granulating and simultaneously drying the obtained second non-stoichiometric compounds -hydrated mixed oxide of manganese (III), manganese (IV) and aluminum (III);e) obtaining a fourth non-stoichiometric compound by converting the hydrated mixed oxide of manganese (III), manganese (IV) and aluminum (III) into a lithium-form of the hydrated mixed oxide of manganese (III), manganese ( ...

Flue Gas Sorbents, Methods For Their Manufacture, and Their Use in Removal of Mercury From Gaseous Streams

Disclosed are sorbents having superior water leachability performance characteristics especially when used as sorbents in semi-dry (CDS), high moisture (SDA), and fully wet SOscrubbers. Also disclosed are methods for the production of such performance-enhanced sorbents, and methods for the use of such sorbents in the removal of mercury and possibly one or more other heavy metals or other contaminants from various gaseous streams. The sorbents are carbonaceous substrates treated with a bromine-containing compound, especially gaseous bromine, and with at least one organic compound that contains at least one olefinic double bond. 1. A method for increasing the resistance of a brominated carbonaceous sorbent to water leaching of bromine species , which method comprises contacting a carbonaceous substrate with at least one organic compound that contains at least one olefinic double bond in an amount sufficient to increase the resistance of the brominated sorbent to water leaching of bromine species , wherein bromination of the carbonaceous substrate is conducted prior to , during , and/or after said treatment with the organic compound.2. A method as in wherein said bromination is conducted with gaseous elemental bromine.3. A method as in wherein the bromination is conducted only prior to treatment with said organic compound; only during treatment with said organic compound; or only after treatment with said organic compound.45-. (canceled)6. A method as in claim 1 , wherein the bromination is with a bromine-containing compound in gas or liquid form in a sufficient amount to increase the ability of the carbonaceous substrate to adsorb mercury and/or mercury-containing compounds and/or species.7. A method as in wherein said contacting of said carbonaceous substrate with organic compound is conducted only prior to bromination of said carbonaceous substrate; only during bromination of said carbonaceous substrate; or only after bromination of said carbonaceous substrate.89-. ...

METAL OXIDE-BASED BIOCOMPATIBLE HYBRID SORBENT FOR THE EXTRACTION AND ENRICHMENT OF CATECHOLAMINE NEUROTRANSMITTERS AND RELATED COMPOUNDS, AND METHOD OF SYNTHESIS

The subject invention concerns metal or metalloid oxide-based sol-gel hybrid sorbent and methods of synthesis. In one embodiment, the sorbent is a ZrOpolypropylene oxide based sol-gel. The subject invention also concerns a hollow tube or capillary internally coated with a sorbent of the invention. Sorbent coated tubes and capillaries of the invention can be used in extraction and/or enrichment of samples to be analyzed for catecholamines and related compounds. 1. A metal or metalloid oxide-based sol-gel hybrid sorbent composition prepared from a biocompatible polymer or ligand comprising one or more sol-gel active end groups.2. The sorbent composition according to claim 1 , wherein the metal or metalloid of the sorbent composition is aluminum claim 1 , antimony claim 1 , arsenic claim 1 , barium claim 1 , beryllium claim 1 , bismuth claim 1 , boron claim 1 , cadmium claim 1 , cerium claim 1 , chromium claim 1 , cobalt claim 1 , copper claim 1 , dysprosium claim 1 , erbium claim 1 , europium claim 1 , gadolinium claim 1 , gallium claim 1 , gold claim 1 , hafnium claim 1 , holmium claim 1 , indium claim 1 , iridium claim 1 , iron claim 1 , lanthanum claim 1 , lithium claim 1 , magnesium claim 1 , manganese claim 1 , molybdenum claim 1 , neodymium claim 1 , nickel claim 1 , niobium claim 1 , osmium claim 1 , palladium claim 1 , platinum claim 1 , praseodymium claim 1 , rhodium claim 1 , ruthenium claim 1 , samarium claim 1 , scandium claim 1 , selenium claim 1 , silver claim 1 , strontium claim 1 , tellurium claim 1 , terbium claim 1 , thallium claim 1 , thulium titanium claim 1 , tantalum claim 1 , vanadium claim 1 , yttrium claim 1 , zirconium claim 1 , zinc claim 1 , tungsten claim 1 , or any combination thereof.3. The sorbent composition according to claim 1 , wherein the sorbent composition comprises ZrOpolypropylene oxide (ZrOPPO).5. The sorbent composition according to claim 1 , wherein the polymer or ligand used to prepare the sorbent composition comprises one ...

WATER ABSORBENT AGENT AND METHOD FOR PRODUCING SAME, EVALUATION METHOD, AND MEASUREMENT METHOD

Provided is a water-absorbing agent which maintains a certain degree of liquid permeability and water absorption speed while also reducing re-wet in a disposable diaper, without the use of costly raw materials or costly apparatuses. The water-absorbing agent of the present invention contains a polyacrylic acid salt-based water-absorbing resin as a main component and has physical properties falling within a specific range, the physical properties being saline flow conductivity (SFC), gap fluid retention property under pressure, and a proportion of particles having a particle diameter of not less than 150 μm and less than 710 μm. 1. A water-absorbing agent comprising:a polyacrylic acid (salt)-based water-absorbing resin as a main component,said water-absorbing agent satisfying (A) to (C) below:{'sup': −7', '3', '−1, '(A) a saline flow conductivity (SFC) is not less than 20×10·cm·s·g;'}(B) a gap fluid retention property under pressure is not less than 9 g/g; and(C) a proportion of particles having a particle diameter of not less than 150 μm and less than 710 μm is less than 90 weight %;wherein, in (B), when a water-absorbing resin is swollen in a 0.69 weight % aqueous sodium chloride solution, said gap fluid retention property under pressure is a weight of the aqueous sodium chloride solution per gram of said water-absorbing agent, the sodium chloride solution being retained under a load of 2.07 kPa in gaps within said water-absorbing agent.2. The water-absorbing agent according to claim 1 , further satisfying (D) below:(D) a centrifuge retention capacity (CRC) is not less than 25 g/g.3. The water-absorbing agent according to claim 1 , further satisfying (E) below:(E) a fluid retention capacity under pressure (AAP) is not less than 20 g/g.4. The water-absorbing agent according to claim 1 , further satisfying (F) below:(F) a water absorption speed (FSR) is not less than 0.25 g/g/s.5. The water-absorbing agent according to claim 1 , further satisfying (G) and/or (H) ...

A hydrophilic and compressible aerogel as draw agent for purity water in forward osmosis

The present invention discloses a novel hydrophilic and compressible aerogel as draw agent for purification water in forward osmosis (FO), which belongs to environmental pollution control engineering technical field. The improved performances are obtained by optimizing regeneration process of drawing and producing water by using this aerogel as a draw agent in FO technology. Herein, the aerogel complete avoid the draw solution's reverse diffusion and maintain a higher water flux that compensates for its structure characteristics. Moreover, the regeneration of the draw agent and production water should be accomplished through human compression without a complicated physical and chemical method. Simultaneously, this draw agent presents other advantages of wide raw material sources, low cost, wild preparation process, low poison and good film compatibility. It is an innovation as FO technology in portable water purifying device, especially in areas of military and emergency.

AEROGELS, MATERIALS USING SAME, AND METHODS FOR PRODUCING SAME

Disclosed is an aerogel, having, on the surface of the aerogel, at least one type of dialkyldisiloxane bond serving as a hydrophobic group, and/or at least one type of crosslinked disiloxane bond serving as a hydrophobic group. Further disclosed is a material serving as at least one material selected from among a heat-insulation material, a sound-absorbing material, a water-repellant material, and an adsorption material, and this material includes the above-mentioned aerogel. Yet further disclosed is a method for producing the above-mentioned aerogel. 1. An aerogel comprising:a first aerogel having, on a surface of the first aerogel, at least one type of dialkyldisiloxane bond serving as a hydrophobic group; anda second aerogel having on a surface of the second aerogel one type of trialkylsiloxane bond.2. The aerogel according to claim 1 , wherein the alkyl groups present in the one type of dialkyldisiloxane bond each have a carbon number from 1 to 10.3. An aerogel claim 1 , according to claim 1 ,wherein the number of molecules of the first aerogel is about 0.5 to about 1.5 times greater than the number of molecules of the second aerogel.4. The aerogel according to claim 1 , wherein the alkyl groups present in the at least one type of trialkylsiloxane bond each have a carbon number from 1 to 10.5. (canceled)6. An aerogel claim 1 , comprising:an third aerogel having, on a surface of said third aerogel, at least one type of dialkyldisiloxane bond serving as a hydrophobic group, and/or at least one type of crosslinked disiloxane bond serving as a hydrophobic group; anda fourth aerogel having on a surface of said fourth aerogel at least one type of trialkylsiloxane serving as a hydrophobic group, wherein the number of molecules of the third aerogel is about 0.5 to about 1.5 times greater than the number of molecules of the fourth aerogel.7. The aerogel according to claim 6 , wherein the alkyl groups present in the at least one type of trialkylsiloxane bond each have a ...

CALCIUM ALGINATE ADSORBENTS

A method of treating a liquid for removal of organic acid anions which comprises contacting a liquid containing organic acid anions with an adsorbent comprising calcium alginate-kaolinite or calcium alginate-quartz and a method of treating a liquid for removal of organic acid anions, heavy metal ions and thermally degraded organic products which comprises contacting a liquid containing organic acid anions, heavy metal ions and thermally degraded organic products with an adsorbent comprising calcium alginate-activated carbon are described. 1. A method of treating a liquid for removal of organic acid anions which comprises contacting a liquid containing organic acid anions with an adsorbent comprising calcium alginate-kaolinite (CAK) or calcium alginate-quartz (CAQ).2. The method of wherein the adsorbent is prepared by a process comprising adding drop-wise a mixed solution of alginate and kaolinite or quartz to a calcium chloride solution claim 1 , thereby cross linking alginate with calcium ions and finally get the adsorbent.3. The method of or which comprises passing of said liquid containing organic acid anions through a column containing said adsorbent in gel form.4. A method of treating a liquid for removal of organic acid anions claim 1 , heavy metal ions and thermally degraded organic products which comprises contacting a liquid containing organic acid anions claim 1 , heavy metal ions and thermally degraded organic products with an adsorbent comprising calcium alginate-activated carbon (CAC).5. The method of wherein the adsorbent is prepared by a process comprising adding drop-wise a mixed solution of alginate and activated carbon powder to calcium chloride solution to form a carbon impregnated CAC adsorbent.6. The method of or which comprises passing of said liquid containing organic acid anions claim 4 , heavy metal ions and thermally degraded organic products through a column containing said adsorbent in gel form.7. The method of any preceding claim wherein ...

METHOD FOR PRODUCING WATER ABSORBENT RESIN

[Object] To provide a method for producing a water-absorbent resin in powder form or particle form, which has excellent physical properties such as water absorption performance and the like, at high productivity. 1. A method for producing a water-absorbent resin comprising:a polymerization step of polymerizing a monomer, which is a raw material of the water-absorbent resin, to obtain a hydrous gel crosslinked polymer dispersed in an organic solvent; anda separation step of separating the organic solvent and the hydrous gel crosslinked polymer from each other, whereinthe separation step includes transfer, compression, and discharge of the hydrous gel crosslinked polymer.2. The method according to claim 1 , wherein claim 1 , in the separation step claim 1 , the hydrous gel crosslinked polymer is squeezed while being transferred.3. The method according to claim 1 , wherein claim 1 , in the separation step claim 1 , the organic solvent is transferred in a direction opposite to a direction in which the hydrous gel crosslinked polymer is transferred.4. The method according to claim 1 , wherein the compression in the separation step is to apply a pressure of not less than 0.1 MPa to the hydrous gel crosslinked polymer.5. The method according to claim 1 , wherein claim 1 , in the separation step claim 1 , a screw extruder including a screw having a compression ratio of not less than 1.5 is used.6. The method according to claim 1 , wherein the hydrous gel crosslinked polymer discharged in the separation step has a residual liquid ratio of not greater than 10% by mass.7. The method according to claim 1 , wherein the organic solvent contains a surfactant and/or a polymeric dispersing agent.8. The method according to claim 1 , wherein the organic solvent separated in the separation step is reused in the polymerization step.9. A reaction device for polymerizing a monomer claim 1 , which is a raw material of a water-absorbent resin claim 1 , by reverse phase suspension ...

MOLECULAR SIEVE SSZ-95, METHOD OF MAKING, AND USE

A new crystalline molecular sieve designated SSZ-95 is disclosed. In general, SSZ-95 is synthesized from a reaction mixture suitable for synthesizing MTT-type molecular sieves and maintaining the mixture under crystallization conditions sufficient to form product. The product molecular sieve is subjected to a pre-calcination step, and ion-exchange to remove extra-framework cations, and a post-calcination step. The molecular sieve has a MTT-type framework and a H-D exchangeable acid site density of 0 to 50% relative to molecular sieve SSZ-32. 1. A molecular sieve having a MTT-type framework , a mole ratio of 20 to 70 of silicon oxide to aluminum oxide , a total micropore volume of between 0.005 and 0.02 cc/g; and a H-D exchangeable acid site density of up to 50% relative to SSZ-32.2. The molecular sieve of claim 1 , wherein the molecular sieve has a mole ratio of 20 to 50 of silicon oxide to aluminum oxide.3. The molecular sieve of claim 1 , wherein the molecular sieve has a total micropore volume of between 0.008 and 0.018 cc/g.4. The molecular sieve of claim 1 , wherein the molecular sieve has an external surface area of between 200 and 250 m/g; and a BET surface area of between 240 and 280 m/g.5. The molecular sieve of claim 1 , wherein the molecular sieve has a H-D exchangeable acid site density of 0.5 to 30% relative to molecular sieve SSZ-32.6. The molecular sieve of claim 5 , wherein the molecular sieve has a total micropore volume of between 0.008 and 0.018 cc/g.7. The molecular sieve of claim 5 , wherein the molecular sieve has an external surface area of between 200 and 250 m/g; and a BET surface area of between 240 and 280 m/g.8. The molecular sieve of claim 1 , wherein the molecular sieve has a H-D exchangeable acid site density of 2 to 25% relative to molecular sieve SSZ-32.9. The molecular sieve of claim 8 , wherein the molecular sieve has a total micropore volume of between 0.008 and 0.018 cc/g.10. The molecular sieve of claim 8 , wherein the molecular ...

METHODS FOR DECREASING AQUEOUS HALIDE AND ORGANOHALIDE LEVELS USING PLANT BIOMASS

Disclosed are processes to treat water having halide ions and organohalides. The process comprises contacting a plant biomass with an alkaline solution to give an alkaline plant biomass, and contacting the alkaline plant biomass with water to give a biomass material. An aqueous sample with organohalides or halide ions is contacted with the biomass material to provide a low halide filtrate and a spent biomass. 1. A method for removing a halide , a herbicide , or a combination thereof in an aqueous sample , the method comprising:contacting a plant biomass with an alkali solution to give an alkaline plant biomass;trans-esterifying the alkaline plant biomass to obtain a treated plant biomass; andcontacting the treated plant biomass with the aqueous sample to remove the halide, the herbicide, or a combination thereof from the aqueous sample.2. The method of claim 1 , further comprising washing the treated plant biomass before contacting the aqueous sample.3. The method of claim 2 , wherein washing the treated plant biomass comprises washing the treated plant biomass with an organic solvent claim 2 , water claim 2 , or combination thereof.4. The method of claim 2 , further comprising drying the treated plant biomass before contacting the aqueous sample.5. The method of claim 1 , wherein contacting the plant biomass with the alkali solution comprises contacting the plant biomass selected from water hyacinth claim 1 , elephant grass claim 1 , jute claim 1 , water lily claim 1 , duck weed claim 1 , azolla claim 1 , wood claim 1 , coir claim 1 , banana claim 1 , ramie claim 1 , pineapple claim 1 , sisal claim 1 , cellulose claim 1 , hemicellulose claim 1 , lignin claim 1 , and a combination thereof with the alkali solution.6. The method of claim 5 , wherein contacting the plant biomass with the alkali solution comprises contacting the plant biomass having an average particle size of about 1 micron to about 5000 microns with the alkali solution.7. The method of claim 1 , ...

Water purification compositions of magnesium oxide and applications thereof

The present disclosure provides a composition for purifying water comprising a magnesium oxide component and a binder. The magnesium oxide component includes magnesium oxide, a pH regulator, and an additional water purifying material. The binder can be an organic polymer, an inorganic binder, or a combination of both.

Removing Arsenic from Water with Acid-Activated Clay

The description relates to a composition and a method for reducing the concentration of arsenic in water. Contaminated water is contacted with acid-activated clay characterized by a removal efficiency for arsenic of at least 95 wt %. Following sufficient contact, the water is separated from the acid-activated clay. In preferred form, the acid activated clay is characterized by a BET surface area of at least about 200 m/gram. 1. A composition for removing arsenic from contaminated water comprises:a. an acid-activated clay selected from the group consisting of bentonite, montmorillonite, hectorite, talc, vermiculite, saponite, nontronite, kaolinite, halloysite, illite, and chlorite and mixtures thereof;b. a water-soluble oxidizer that can oxidize arsenite to arsenate at the ambient temperature and pressure in water.2. The composition of claim 1 , wherein the acid-activated clay is bentonite.3. The composition of claim 1 , wherein the acid-activated clay is generated by mixing the clay with an acid or acid solution or by incorporating the acid by kneading at a temperature between room temperature (20° C.) and 60° C. for at least 1 hour.4. The composition of claim 1 , wherein the acid activated clay has specific surface area of at least 100 m/g claim 1 , preferably has specific surface area of least 200 m/g.5. The composition of claim 1 , the oxidizer comprises chlorine.6. The composition of claim 5 , the oxidizer is calcium hypochlorite.7. A composition according to any preceding claim in unit dosage form for the batch wise arsenic removal of a relatively small predetermined volume of contaminated water.8. A composition according to any preceding claim in unit dosage form for treating a volume of contaminated water claim 5 , the acid-activated clay dosage to the volume of the contaminated water is in the range from about 1 to about 25 claim 5 , preferably 2 to about 15 claim 5 , more preferably from about 4 to about 10 g/liter of contaminated water.9. A composition ...

MANUFACTURE OF OXIDATIVELY MODIFIED CARBON (OMC) AND ITS USE FOR CAPTURE OF RADIONUCLIDES AND METALS FROM WATER

In some embodiments, the present disclosure pertains to methods of capturing contaminants (i.e., radionuclides and metals) from a water source by applying an oxidatively modified carbon to the water source. This leads to the sorption of the contaminants in the water source to the oxidatively modified carbon. In some embodiments, the methods also include a step of separating the oxidatively modified carbon from the water source after the applying step. In some embodiments, the oxidatively modified carbon comprises an oxidized carbon source. In some embodiments, the carbon source is coal. In some embodiments, the oxidatively modified carbon comprises oxidized coke. In some embodiments, the oxidatively modified carbon is in the form of free-standing, three dimensional and porous particles. Further embodiments of the present disclosure pertain to materials for capturing contaminants from a water source, where the materials comprise the aforementioned oxidatively modified carbons. 1. A method of capturing ions from a water source , wherein the method comprises: wherein the oxidized carbon comprises a plurality of layers,', 'wherein the oxidized carbon excludes graphite-derived materials, graphene oxide, and carbon nanotube-derived materials,', 'wherein the applying leads to sorption of ions in the water source to the oxidized carbon, and', 'wherein the ions are selected from the group consisting of radionuclides, metals, and combinations thereof., 'applying an oxidized carbon to the water source,'}2. The method of claim 1 , further comprising a step of separating the oxidized carbon from the water source claim 1 , wherein the separating occurs after the applying step.3. The method of claim 1 , wherein the ions comprise radionuclides selected from the group consisting of thallium claim 1 , iridium claim 1 , americium claim 1 , neptunium claim 1 , gadolinium claim 1 , bismuth claim 1 , uranium claim 1 , thorium claim 1 , plutonium claim 1 , niobium claim 1 , barium claim 1 ...

Synthesis of fibrous nano-silica spheres with controlled particle size, fibre density, and various textural properties

The present disclosure provides a method for synthesizing fibrous silica nanospheres, the method can include, in sequence, the steps of: a) providing a reaction mixture comprising a silica precursor, a hydrolyzing agent, a template molecule, a cosurfactant and one or more solvents; b) maintaining the reaction mixture under stirring for a length of time; c) heating the reaction mixture to a temperature for a length of time; d) cooling the reaction mixture to obtain a solid, and (e) calcinating the solid to pro duce fibrous silica nanospheres, wherein desirable product characteristics such as particle size, fiber density, surface area, pore volume and pore size can be obtained by controlling one or more parameters of the method. The present disclosure further provides a method for synthesizing fibrous silica nanospheres using conventional heating such as refluxing the reactants in an open reactor, thereby eliminating the need for microwave heating in a closed reactor or the need for any pressure reactors.

METHOD FOR PRODUCING NONATITANATE OF ALKALI METAL

A method for producing a nonatitanate of an alkali metal, the method having: a first step for reacting an alkali metal hydroxide with titanium tetrachloride and producing Ti(OH); a second step for mixing the resulting Ti(OH)and an alkali metal hydroxide; and a third step for heating the mixture obtained in the second step, the alkali metal hydroxide being used so that the A/Ti molar ratio (A represents an alkali metal element) falls within a range of 1.0-5.0 in the second step, wherein a nonatitanate of an alkali metal can be produced economically. 1. A method for producing a nonatitanate of an alkali metal , the method comprising:{'sub': '4', 'a first step of allowing an alkali metal hydroxide to act on titanium tetrachloride to produce Ti(OH);'}{'sub': '4', 'a second step of mixing the resulting Ti (OH)and an alkali metal hydroxide; and'}a third step of heating the mixed solution obtained in the second step,wherein, in the second step, the alkali metal hydroxide is used so that an A/Ti molar ratio (A represents an alkali metal element) is in a range of 1.0 to 5.0.2. The method according to claim 1 , wherein the third step is performed in a temperature range of 100° C. or more and 300° C. or less under spontaneous pressure.3. The method according to claim 1 , wherein the third step is performed in a temperature range of less than 105° C. under atmospheric pressure.4. The method according to claim 1 , wherein at least one selected from sodium hydroxide and potassium hydroxide is used as an alkali metal hydroxide.5. The method according to claim 1 , wherein there is obtained at least one nonatitanate selected from the group consisting of NaTiO.nHO claim 1 , KTiO.nHO claim 1 , and (NaK)TiO.nHO where x represents a number of more than 0 and less than 1 and n represents a number of 0 or more.6. An adsorbent for strontium claim 1 , wherein a nonatitanate of an alkali metal obtained by the production method according to is used.7. An adsorbent for strontium claim 1 , ...

BEAD IMMOBILIZED WITH ABSORBENT AND MICROORGANISMS, AND METHOD FOR FABRICATING THE SAME

Provided is a bead in which an adsorbent and an organic contaminant-degrading microorganism are supported, wherein an adsorbent for adsorbing organic contaminants is supported on the bead together with an organic contaminant-degrading microorganism for degrading the organic contaminants adsorbed to the adsorbent to allow for the adsorbent to remove organic contaminants in water and to allow for the organic contaminant-degrading microorganism to regenerate the adsorbent. 1. A bead in which an adsorbent and an organic contaminant-degrading microorganism are supported , wherein air bubbles , an adsorbent for adsorbing organic contaminants in water , and an organic contaminant-degrading microorganism for degrading the organic contaminants adsorbed to the adsorbent to regenerate the adsorbent are supported in the bead.2. The bead in which an adsorbent and an organic contaminant-degrading microorganism are supported according to claim 1 , wherein the adsorbent is powdered activated carbon.3. The bead in which an adsorbent and an organic contaminant-degrading microorganism are supported according to claim 1 , which comprises an adsorbent fixed to the bead surface.4. The bead in which an adsorbent and an organic contaminant-degrading microorganism are supported according to claim 1 , which is an alginate bead or chitosan bead.5. The bead in which an adsorbent and an organic contaminant-degrading microorganism are supported according to claim 1 , wherein the organic contaminant-degrading microorganism is one capable of degrading a specific organic contaminant.6. The bead in which an adsorbent and an organic contaminant-degrading microorganism are supported according to claim 1 , wherein the organic contaminant-degrading microorganism comprises at least one selected from the group consisting of microorganisms capable of degrading toluene claim 1 , microorganisms capable of degrading benzene and microorganisms capable of degrading phenol.7. The bead in which an adsorbent and ...

METHOD FOR PREPARING AMORPHOUS IRON OXIDE HYDROXIDE

A method for preparing amorphous iron oxide hydroxide, comprising following steps: (1) preparing a ferrous salt solution with solid soluble ferrous salt; (2) preparing a hydroxide solution; (3) mixing said hydroxide solution and said ferrous salt solution in a co-current manner for reaction at an alkali ratio of 0.6˜0.8 and a reaction temperature not exceeding 30° C.; (4) after the reaction in step (3) is finished, yielding a first mixture, then charging said first mixture with a gas containing oxygen for oxidation, and controlling the first mixture at a pH value of 6˜8 until the oxidation is finished to yield a second mixture; and (5) filtering, washing with water and drying said second mixture obtained in step (4) to yield the amorphous iron oxide hydroxide. 110-. (canceled)11. A method for preparing amorphous iron oxide hydroxide , comprising following steps:(1) preparing a ferrous salt solution with solid soluble ferrous salt;(2) preparing a hydroxide solution;(3) mixing said hydroxide solution and said ferrous salt solution in a co-current manner for reaction, controlling said hydroxide solution and said ferrous salt solution at an alkali ratio of 0.6˜0.8, controlling said ferrous salt solution at a feeding speed of 200-300 ml/min, and said hydroxide solution at a feeding speed of 50-60 ml/min. and controlling a reaction temperature not exceeding 30° C.;(4) after the reaction in step (3) is finished, yielding a first mixture, charging the first mixture with a gas containing oxygen for oxidation, and controlling the first mixture at a pH value of 6˜8 until the oxidation is finished to yield a second mixture; and(5) filtering, washing with water and drying said second mixture obtained in step (4) to yield the amorphous iron oxide hydroxide.12. The method of claim 11 , wherein claim 11 , said hydroxide is a hydroxide of group IA or group IIA elements.13. The method of claim 11 , wherein claim 11 , said ferrous salt solution has a concentration of 1.3-1.8 mol/L ...

ACID, SOLVENT, AND THERMAL RESISTANT METAL-ORGANIC FRAMEWORKS

The disclosure provides for thermal, solvent, and/or acid resistant metal organic frameworks and the use of these frameworks in devices and methods for gas separation, gas storage, and catalysis. The disclosure further provides for MOFs that are strong solid acids, and the use of these strong solid acid MOFs in catalytic devices and catalytic methods. 11. The MOF of claim 1 , wherein M is a metal or metal ion selected from Li claim 1 , Na claim 1 , K claim 1 , Rb claim 1 , Cs claim 1 , Be claim 1 , Mg claim 1 , Ca claim 1 , Sr claim 1 , Ba claim 1 , Sc claim 1 , Sc claim 1 , Sc claim 1 , Y claim 1 , Y claim 1 , Y claim 1 , Ti claim 1 , Ti claim 1 , Ti claim 1 , Zr claim 1 , Zr claim 1 , Zr claim 1 , Hf claim 1 , Hf claim 1 , V claim 1 , V claim 1 , V claim 1 , V claim 1 , Nb claim 1 , Nb claim 1 , Nb claim 1 , Nb claim 1 , Ta claim 1 , Ta claim 1 , Ta claim 1 , Ta claim 1 , Cr claim 1 , Cr claim 1 , Cr claim 1 , Cr claim 1 , Cr claim 1 , Cr claim 1 , Cr claim 1 , Mo claim 1 , Mo claim 1 , Mo claim 1 , Mo claim 1 , Mo claim 1 , Mo claim 1 , Mo claim 1 , W claim 1 , W claim 1 , W claim 1 , W claim 1 , W claim 1 , W claim 1 , W claim 1 , Mn claim 1 , Mn claim 1 , Mn claim 1 , Mn claim 1 , Mn claim 1 , Mn claim 1 , Mn claim 1 , Re claim 1 , Re claim 1 , Re claim 1 , Re claim 1 , Re claim 1 , Re claim 1 , Re claim 1 , Re claim 1 , Fe claim 1 , Fe claim 1 , Fe claim 1 , Fe claim 1 , Fe claim 1 , Fe claim 1 , Ru claim 1 , Ru claim 1 , Ru claim 1 , Ru claim 1 , Ru claim 1 , Ru claim 1 , Os claim 1 , Os claim 1 , Os claim 1 , Os claim 1 , Os claim 1 , Os claim 1 , Os claim 1 , Os claim 1 , Os claim 1 , Co claim 1 , Co claim 1 , Co claim 1 , Co claim 1 , Co claim 1 , Rh claim 1 , Rh claim 1 , Rh claim 1 , Rh claim 1 , Rh claim 1 , Rh claim 1 , Ir claim 1 , Ir claim 1 , Ir claim 1 , Ir claim 1 , Ir claim 1 , Ir claim 1 , Ir claim 1 , Ni claim 1 , Ni claim 1 , Ni claim 1 , Ni claim 1 , Pd claim 1 , Pd claim 1 , Pd claim 1 , Pd claim 1 , Pd claim 1 , Pt claim 1 , Pt claim 1 , Pt ...

COMPOSITE WITH SYNERGISTIC EFFECT OF ADSORPTION AND VISIBLE LIGHT CATALYTIC DEGRADATION AND PREPARATION METHOD AND APPLICATION THEREOF

The invention discloses a composite with an adsorption-visible light catalytic degradation synergistic effect and a preparation method and application thereof. The preparation method includes the specific steps that firstly, a bismuth oxyiodide/bismuth oxychloride composite nano-particle loaded activated carbon fiber composite ACF@BiOIClis synthesized; then, the fiber surface is grafted with polyethyleneimine, and the end composite PEI-g-ACF@BiOIClis obtained. The composite can rapidly adsorb pollutants in water, and meanwhile the pollutants are efficiently degraded with a photocatalyst loaded on the surface of the composite; besides, the purpose of recycling and reusing the photocatalyst is achieved, the comprehensive treatment capability of the composite is improved, the service life of the composite is prolonged, and the use cost is lowered. 1. A preparation method of a composite with synergistic effect of adsorption and visible light catalytic degradation , which comprises the steps as below:1) preparation of activated carbon fibers with bismuth oxyiodide/bismuth oxychloride composite nanoparticles immobilized on:dissolving bismuth nitrate pentahydrate and activated carbon fiber in solvent to obtain solution A; dissolving potassium iodide and potassium chloride in solvent to obtain solution B; adding solution B to solution A under stirring, mixing evenly, then moving the reaction mixture to a hydrothermal reactor and reacting for 10 to 16 hours at 120 to 180° C., after the completion of the reaction, the reaction vessel is taken out, cooled and opened, and the fibrous product is collected by filtration, washed and dried to obtain bismuth oxyiodide/bismuth oxychloride composite nanoparticles immobilized activated carbon fiber composite;wherein,the molar ratio of bismuth nitrate pentahydrate, potassium iodide and potassium chloride is 1:x:(1−x), and 0 Подробнее

Hydrated porous materials for selective co2 capture

In some embodiments, the present disclosure pertains to methods of capturing CO 2 from an environment by hydrating a porous material with water molecules to the extent thereby to define a preselected region of a plurality of hydrated pores and yet to the extent to allow the preselected region of a plurality of pores of the porous material to uptake gas molecules; positioning the porous material within a CO 2 associated environment; and capturing CO 2 by the hydrated porous material. In some embodiments, the pore volume of the hydrated porous material includes between 90% and 20% of the pre-hydrated pore volume to provide unhydrated pore volume within the porous material for enhanced selective uptake of CO 2 in the CO 2 associated environment. In some embodiments, the step of capturing includes forming CO 2 -hydrates within the pores of the porous material, where the CO 2 ·n/H 2 O ratio is n<4.

POLYMERIC AMINE BASED CARBON DIOXIDE ADSORBENTS

Carbon dioxide adsorbents are provided. The carbon dioxide adsorbents include a polymeric amine and a porous support on which the polymeric amine is supported. the polymeric amine consists of a polymer skeleton containing nitrogen atoms and branched chains bonded to the nitrogen atoms of the polymer skeleton. Each of the branched chains contains at least one nitrogen atom. the polymeric amine is modified by substitution of at least one of the nitrogen atoms of the polymer skeleton or the branched chains with a hydroxyl group-containing carbon chain. 1. A carbon dioxide adsorbent comprising: a polymeric amine consisting of a polymer skeleton containing nitrogen atoms and branched chains bonded to the nitrogen atoms of the polymer skeleton , each branched chain containing at least one nitrogen atom; and a porous support on which the polymeric amine is supported , wherein the polymeric amine is modified by substitution of at least one of the nitrogen atoms of the polymer skeleton or the branched chains with a hydroxyl group-containing carbon chain.2. The carbon dioxide adsorbent according to claim 1 , wherein the polymeric amine has a polyalkyleneimine basic structure.3. The carbon dioxide adsorbent according to claim 1 , wherein the polymeric amine has a polyethyleneimine basic structure.4. The carbon dioxide adsorbent according to claim 1 , wherein the polymer skeleton has a repeating unit structure represented by —[(CH)—NR]— (where R is hydrogen or a branched chain claim 1 , x is from 2 to 6 claim 1 , and y representing the average number of repeating units in the linear polyalkyleneimine chain is from 5 to 100) and the branched chain has an alkyleneamine structure represented by —(CH)—NHor an alkyleneimine structure represented by —(CH)—NR′(where one of the R's is an alkyleneamine or alkyleneimine group and the other R′ is hydrogen claim 1 , an alkyleneamine group or an alkyleneimine group).5. The carbon dioxide adsorbent according to claim 1 , wherein the hydroxyl ...

Algal Thermoplastics, Thermosets, Paper, Adsorbants and Absorbants

Provided are biomass-based materials and valuable uses of microalgal biomass including: (i) acetylation of microalgal biomass to produce a material useful in the production of thermoplastics; (ii) use of triglyceride containing microalgal biomass for production of thermoplastics; (iii) combination of microalgal biomass and at least one type of plant polymer to produce a material useful in the production of thermoplastics; (iv) anionization of microalgal biomass to form a water absorbant material; (v) cationization of microalgal biomass, and optional flocculation, to form a water absorbant material; (vi) crosslinking of anionized microalgal biomass; (vii) carbonization of microalgal biomass; and (viii) use of microalgal biomass in the making of paper. 1133-. (canceled)134. A composition comprising a blend of a moldable polymer , a microalgal biomass , and optionally a lipid selected from a triacylglyceride , a fatty acid , a fatty acid salt , a fatty acid ester , and one or more combinations thereof , wherein the microalgal biomass is optionally covalently modified and is obtained from a heterotrophic oleaginous microalgae , and wherein the microalgal biomass comprises less than 3500 ppm chlorophyll.135136-. (canceled)137Parachlorella, Prototheca,ChlorellaParachlorella, Prototheca,Chorella. The composition of claim 134 , wherein the microalgal biomass is obtained from or and strains having at least 85% nucleotide sequence identity in 23S rRNA sequences to a or strain.138. (canceled)139. The composition of claim 134 , wherein the microalgal biotnass is obtained from heterotrophic oleaginous microalgae that is lysed.140. The composition of claim 134 , wherein the lipid comprises 15% or less of the composition.141. The composition of claim 134 , wherein the lipid comprises 10% or less of the composition.142. The composition of claim 134 , wherein the lipid comprises 5% or less of the composition.143. The composition of claim 134 , wherein the lipid comprises 2% or less ...

FAR-INFRARED NEGATIVE ION CARBON COMPOSITE PLATE AND MANUFACTURING PROCESS THEREOF

Disclosed is the object of the present invention to provide a far-infrared negative ion carbon composite plate and a manufacturing process thereof. The composite plate comprises the following components (by weight percentage): 10-6000 mesh mica powder 0.5%-95%; 10-200 mesh carbon powder 5%-91%; resin 15%-90%; dispersant 0.1%-10%; zeolite powder 1%-50%; foaming agent 0.1%-20%; and regulator 0.1-20%. The physical properties such as hardness, density, bending strength, and high and low temperature resistance of various plates of the present invention can be adjusted by means of the formulation and temperature of the material; the plates can resist 80% or more of the pressure and wear resistance of ordinary plates, and have a certain cushioning performance. The plates have no bad and harmful substances; far-infrared emissivity of as high as 80% or more, and the amount of negative oxygen ions released of 1000/cc or more. 1. A far-infrared negative ion carbon composite plate , comprising following components by weight percentage:10-6000 mesh mica powder 0.5%-95%; 10-250 mesh carbon powder 0.5%-95%; resin 15%-90%; dispersant 0.1%-10%; zeolite powder 1%-50%; foaming agent 0.1%-20%; and regulator 0.1-20%.2. The far-infrared negative ion carbon composite plate according to claim 1 , comprising following components by weight percentage: 50 mesh carbon powder 75%; resin 15%; mica powder 1%; flame retardant 5%; dispersant 0.5%; zeolite powder 3%; foaming agent 0.1%; and regulator 0.4%.3. The far-infrared negative ion carbon composite plate according to claim 1 , comprising following components by weight percentage: 10 mesh carbon powder 1%; resin 80%; 6000 mesh mica powder 5%; flame retardant 1%; dispersant 3%; zeolite powder 1%; foaming agent 3%; and regulator 6%.4. The far-infrared negative ion carbon composite plate according to claim 1 , comprising following components by weight percentage: 250 mesh carbon powder 10%; 1000 mesh mica powder 80%; flame retardant 3%; dispersant ...

Superabsorbent Polymer and Preparation Method Thereof

Provided is a method of preparing a superabsorbent polymer. More particularly, provided is a method of preparing a superabsorbent polymer, the method capable of preparing the superabsorbent polymer maintaining excellent basic absorption performances such as centrifugal retention capacity, absorbency under load, etc. while also exhibiting an improved absorption rate. 1. A method of preparing a superabsorbent polymer , the method comprising:a) mixing a water-soluble ethylenically unsaturated monomer, an internal crosslinking agent, and a polymerization initiator to prepare a monomer composition;b) polymerizing the monomer composition to prepare a water-containing gel polymer;c) chopping the water-containing gel polymer;d) adding one or more fibers of a fluff pulp and a synthetic polymeric fiber to the chopped water-containing gel polymer and mixing them with each other to prepare a mixture;e) chopping the mixture;f) drying the mixture; andg) pulverizing the mixture.2. The method of preparing a superabsorbent polymer of claim 1 , wherein the fiber is included in an amount of 1 part by weight to 18 parts by weight with respect to 100 parts by weight of the water-containing gel polymer.3. The method of preparing a superabsorbent polymer of claim 1 , wherein the fiber has a length of 1 mm to 20 mm.4. The method of preparing a superabsorbent polymer of claim 1 , wherein the fiber has a width of 1 μm to 100 μm.5. The method of preparing a superabsorbent polymer of claim 1 , wherein water is further added in one or more of c) to e).6. The method of preparing a superabsorbent polymer of claim 5 , wherein the water is added in an amount of 1 part by weight to 20 parts by weight with respect to 100 parts by weight of the water-containing gel polymer.7. The method of preparing a superabsorbent polymer of claim 1 , wherein the monomer composition further includes a foaming agent.8. The method of preparing a superabsorbent polymer of claim 7 , wherein the monomer composition ...

BORON REMOVAL AND MEASUREMENT IN AQUEOUS SOLUTIONS

In one embodiment, the invention relates to a carbon-based boron removal medium with hydroxyl groups and amine group, and in particular, to a method for forming the carbon-based boron removal medium. In a specific embodiment, nitrogen-doped (“N-doped”) graphene oxide is synthesized by a simple two-step process: (1) oxidation of graphite to graphene oxide, and (2) nitrogen-doping (“N-doping”) the graphene oxide to form the amine group. The resultant N-doped graphene oxide can efficiently remove boron from aqueous solutions. In another embodiment, a method of sensing or detecting the presence of boron in an aqueous solution by using a boron sensing medium comprises at least two hydroxyl groups and at least one pyridinic nitrogen or pyrrolic nitrogen or quaternary nitrogen (i.e. pyridoxine, in particular vitamin B6). The boron ions in the solution would form a highly ionized complex, which can cause significant increase in electrical conductivity of the solution, which can then be used to measure the concentration of boron in said solution. 1. A method of removing or reducing the amount of boron present in an aqueous solution , wherein the boron exists in a form of boric acid (HBO) or borate ions (B(OH) , BO , HBO) in the aqueous solution , the method comprising:contacting a boron removal medium with the aqueous solution, wherein the boron removal medium comprises a carbon-based material comprising at least one hydroxyl group and at least one nitrogenous group selected from the group consisting of a pyridinic nitrogen, a pyrrolic nitrogen, a graphitic nitrogen, an amine group, and combinations thereof; wherein the carbon-based material comprises at least one of a graphene, a graphite, a graphene oxide, a carbon nanotube, an activated carbon, lonsdaleite, a fullerene, a carbon fiber, a carbon black, a charcoal, and an amorphous carbon; andseparating the boron removal medium from the aqueous solution.26-. (canceled)7. The method according to claim 1 , wherein the carbon- ...

Super Absorbent Resin For Absorbing Blood Or High Viscosity Liquid And Method For Preparing Same

Disclosed herein is a method for preparing a superabsorbent polymer for absorbing blood or highly viscous liquid including a) providing a superabsorbent resin; b) pre-treating the superabsorbent resin of step a) by mixing a water-soluble polyvalent cationic salt in an amount of 0.001 to 5.0 parts by weight, based on 100 parts by weight of the superabsorbent resin provided in step a); and c) surface treating the pre-treated superabsorbent resin of step b) by mixing a polycarbonic acid-based copolymer in an amount of 0.001 to 5.0 parts by weight, based on 100 parts by weight of the superabsorbent resin provided in step a). 1. A method for preparing a superabsorbent polymer for absorbing blood or highly viscous liquid , comprising:a) providing a superabsorbent resin;b) pre-treating the superabsorbent resin of step a) by mixing a water-soluble polyvalent cationic salt in an amount of 0.001 to 5.0 parts by weight, based on 100 parts by weight of the superabsorbent resin provided in step a); andc) surface treating the pre-treated superabsorbent resin of step b) by mixing a polycarbonic acid-based copolymer in an amount of 0.001 to 5.0 parts by weight, based on 100 parts by weight of the superabsorbent resin provided in step a).2. The method of claim 1 , wherein the superabsorbent resin is a superabsorbent polymer product or a superabsorbent base resin.3. The method of claim 1 , wherein the water-soluble polyvalent cationic salt comprise a cationic ion selected from the group consisting of Al claim 1 , Zr claim 1 , Sc claim 1 , Ti claim 1 , V claim 1 , Cr claim 1 , Mn claim 1 , Fe claim 1 , Ni claim 1 , Cu claim 1 , Zn claim 1 , Ag claim 1 , Pt claim 1 , Au claim 1 , and a combination thereof claim 1 , and an anion selected from the group consisting of sulfate (SO) claim 1 , sulfite (SO) claim 1 , nitrate (NO) claim 1 , metaphosphate (PO) claim 1 , phosphate (PO) claim 1 , and a combination thereof.4. The method of claim 3 , wherein the water-soluble polyvalent cationic ...

SUPER ABSORBENT POLYMER AND METHOD FOR PRODUCING SAME

The present invention relates to an olefin polymer and a method for producing the same. The super absorbent polymer can exhibit excellent absorbent properties even in a swollen state and thus exhibit excellent anti-rewetting effects. Accordingly, when the super absorbent polymer is used, it is possible to provide a sanitary material such as a diaper or a sanitary napkin which can give a smooth touch feeling even after the body fluid is discharged. 2. The super absorbent polymer of claim 1 , wherein it has a centrifuge retention capacity for a physiological saline solution of 30 to 40 g/g.3. The super absorbent polymer of claim 1 , wherein it has an absorbency under load under 0.9 psi for a physiological saline solution of 19 to 25 g/g.4. The super absorbent polymer of claim 1 , wherein it has a free swell gel bed permeability for a physiological saline solution of about 50 darcy to about 100 darcy.7. The method for producing a super absorbent polymer of claim 6 , wherein the epoxy-based surface crosslinking agent include at least one polyglycidyl ether selected from the group consisting of ethylene glycol diglycidyl ether claim 6 , propylene glycol diglycidyl ether claim 6 , butanediol diglycidyl ether claim 6 , hexanediol diglycidyl ether claim 6 , diethylene glycol diglycidyl ether claim 6 , triethylene glycol diglycidyl ether claim 6 , polyethylene glycol diglycidyl ether claim 6 , dipropylene glycol diglycidyl ether claim 6 , tripropylene glycol diglycidyl ether claim 6 , polypropylene glycol diglycidyl ether claim 6 , and glycerol triglycidyl ether.8. The method for producing a super absorbent polymer of claim 6 , wherein claim 6 , in the step of forming the surface crosslinked layer claim 6 , the surface of the base polymer powder is subjected to a first surface crosslinking at a temperature of 120 to 160° C. for 5 to 40 minutes using an epoxy-based surface crosslinking agent.9. The method for producing a super absorbent polymer of claim 6 , wherein the non- ...

Super Absorbent Polymer And Method For Producing Same

The super absorbent polymer comprises: a base polymer powder including a first crosslinked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface crosslinked layer formed on the base polymer powder and including a second crosslinked polymer in which the first crosslinked polymer is further crosslinked via a surface crosslinking agent, wherein the super absorbent polymer has: a fixed height absorption (FHA) of 22.5 g/g to 29 g/g, a saline flow conductivity (SFC) of 35(·10cm·s/g) or more, and T-20 of 180 seconds or less. 1. A super absorbent polymer comprising:a base polymer powder including a first crosslinked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; anda surface crosslinked layer formed on the base polymer powder and including a second crosslinked polymer in which the first crosslinked polymer is further crosslinked via a surface crosslinking agent,wherein the super absorbent polymer has the following features:a fixed height absorption (FHA) (20 cm) for a physiological saline solution (0.9 wt % aqueous sodium chloride solution) of 22.5 g/g to 29 g/g,{'sup': −7', '3, 'a saline flow conductivity (SFC) for a physiological saline solution (0.685 wt % aqueous sodium chloride solution) of 35(·10cm·s/g) or more, and'}T-20 of 180 seconds or less which indicates the time required for absorbing 1 g of the super absorbent polymer to 20 g of aqueous solution of 0.9 wt % sodium chloride and 0.01 wt % alcohol ethoxylate having 12 to 14 carbon atoms under pressure of 0.3 psi.2. The super absorbent polymer according to claim 1 , wherein the super absorbent polymer has a centrifuge retention capacity (CRC) for a physiological saline solution (0.9 wt % aqueous sodium chloride solution) for 30 minutes of 26 g/g to 34 g/g.3. The super absorbent polymer according to claim 1 , wherein the super absorbent polymer has a free swell rate (FSR) of 0 ...

METHOD FOR PREPARING AMORPHOUS MOLYBDENUM OXIDE ADSORPTION MATERIAL AND APPLICATION THEREOF

The invention relates to a method for preparing amorphous molybdenum oxide adsorption material and an application thereof. The invention aims to solve the technical problem of low recovery efficiency of silver ions in coexisting silver-containing wastewater in the prior art. The method of the present invention includes: 1) preparation of electrolyte; and 2) subjecting to cyclic voltammetry. The amorphous molybdenum oxide adsorption material prepared by the present invention is used as an adsorbent for adsorbing and reducing silver ions in wastewater. The invention successfully prepares amorphous molybdenum oxide (MoOx) by cyclic voltammetry, which has a highly selective reduction adsorption for Ag. Silver ions and the adsorbent MoOx could be subjected to redox reaction to remove silver ions in water. The removal efficiency of the silver ions in wastewater by the amorphous molybdenum oxide prepared by cyclic voltammetry of the invention is up to 99.85%. 1. A method for preparing the amorphous molybdenum oxide adsorption material , which is carried out by the following steps:1) preparation of an electrolyte: mixing ammonium molybdate and sodium sulfate together in water, and stirring ultrasonically for 5 min to 10 min to obtain a mixed solution, wherein in the mixed solution, the concentration of ammonium molybdate is 2 mmol/L to 2.5 mmol/L, and that of sodium sulfate is 0.5 mol/L to 0.6 mol/L; and2) subjecting to cyclic voltammetry: connecting an electrochemical workstation, and subjecting the mixed solution prepared in step 1) as the electrolyte to electrodeposition for 25 to 30 cycles by cyclic voltammetry to obtain the amorphous molybdenum oxide adsorption material, wherein the cyclic voltammetry has the potential window of −0.09 V to −1.29 V and the sweep speed of 50 mV/s to 60 mV/s.2. The method for preparing the amorphous molybdenum oxide adsorption material of claim 1 , wherein in the mixed solution in step 1) claim 1 , the concentration of ammonium molybdate ...

POLYETHYLENE TEREPHTHALATE (PET) AEROGEL

A polyethylene terephthalate aerogel. There is provided a polyethylene terephthalate (PET) aerogel comprising a porous network of cross-linked recycled PET fibers, wherein the PET aerogel has a thermal conductivity of 0.030-0.050 W/m K. There is also provided a method of forming the PET aerogel. 1. A polyethylene terephthalate (PET) aerogel cors 1prising a porous network of cross-linked recycled PET fibers , wherein the PET aerogel has a thermal conductivity of 0.030-0.050 W/m K.21. The PET aerogel according to claim 1 , wherein the recycled PET fibers comprised in the PET aerogel are obtained from PET plastic bottles.3. The PET aerogel according to claim 1 , wherein the cross-linked recycled PET fibers comprised in the aerogel are cross-linked with a cross-linker selected from: tetraethoxysilane (TEOS) claim 1 , polyvinyl alcohol (PVA) claim 1 , glutaraldehyde (GA) claim 1 , methyltrimethoxysilane (MTMS) claim 1 , sodium silicate claim 1 , bentonite claim 1 , starch claim 1 , nanoclay claim 1 , or a combination thereof.4. The PET aerogel according to claim 3 , wherein the cross-linker is TEOS.5. The PET aerogel according to claim 3 , wherein the cross-linker is a combination of PVA and GA.6. The PET aerogel according to claim 1 , wherein the PET aerogel has a density of 0.007-0.450 g/cm.7. The PET aerogel according to claim 1 , wherein the PET aerogel has a compressive Young's modulus of ≤130.0 kPa.8. The PET aerogel according to claim 1 , wherein the PET aerogel is superhydrophobic and has a contact angle of 120-150°.9. A method of forming the PET aerogel according to claim 1 , the method comprising:hydrolysing recycled PET fibers to form hydrolysed recycled PET fibers, wherein the hydrolysing forms at least carboxylic groups on a surface of the hydrolysed recycled PET fibers;cross-linking the hydrolysed recycled PET fibers with a cross-linker;gelation of the cross-linked recycled PET fibers; anddrying to form the PET aerogel.10. The method according to claim 9 , ...

PREPARATION METHOD OF BACTERIAL CELLULOSE-DEFECTIVE MOLYBDENUM DISULFIDE HETEROJUNCTION MATERIAL FOR TREATING RADIOACTIVE WASTEWATER

A preparation method of a bacterial cellulose-defective molybdenum disulfide (BC-MoS) heterojunction material for treating radioactive wastewater is provided, including: preparing bacterial cellulose by the in situ growth technology of and freeze-drying to obtain dried bacterial cellulose; carbonizing the dried bacterial cellulose to obtain carbonized bacterial cellulose; dispersing the carbonized bacterial cellulose into deionized water under an ultrasonic treatment; then adding thiourea and NaMoOHO, dissolving under an ultrasonic treatment to obtain a reaction mixture, subjecting the reaction mixture to a hydrothermal reaction to obtain a BC-MoSheterojunction; and calcining the BC-MoSheterojunction in a tube furnace with an Ar/Hatmosphere to obtain the BC-MoSheterojunction. 1. A preparation method of a bacterial cellulose-defective molybdenum disulfide (BC-MoS) heterojunction material for treating radioactive wastewater , comprising the following steps:{'b': '1', 'i': Acetobacter xylinum', 'Acetobacter xylinum', 'Acetobacter xylinum', 'Acetobacter xylinum', 'Acetobacter xylinum', 'Acetobacter xylinum;', 'Acetobacter xylinum', 'Acetobacter xylinum, 'step : preparing a liquid culture medium (per 150 mL) by dissolving and evenly mixing 5 wt % D-glucose, 0.5 wt % yeast extract, 0.2 wt % disodium hydrogen phosphate, 0.5 wt % peptone, 0.1 wt % citric acid, 0.1 wt % potassium dihydrogen phosphate and water, adjusting a pH value to 6.8, and performing a sterilization under a vapor pressure of 103.4 kPa and a temperature of 120-121.3° C. for 15-20 min; inoculating in the liquid culture medium and placing the liquid culture medium with the in a constant temperature incubator, incubating the in the liquid culture medium for 7 days at 293 K with a shaking speed of 120 rpm to obtain an -inoculated culture medium, and then rinsing the -inoculated culture medium to neutral with deionized water to obtain neutral performing a freeze-drying on the neutral to obtain dried bacterial ...

AMINE-APPENDED CHEMICAL SORBENT

A chemical structure, and a process for synthesizing the chemical structure, of: 3. A process comprising: 3,3,3′3′-tetramethyl-1,1′-spirobisindane-5,5′,6,6′-tetrol (TTSBI); and', '1,3-dicyanotetrafluorobenzene (DCTB);, 'synthesizing a polymer with intrinsic microscopy (PIM-1) by polycondensation reaction of one-dimensional monomers, the PIM-1 comprising a nitrile (—CN) group, the one-dimensional monomers comprising adjusting a reaction temperature; and', 'adjusting a reaction time; and, 'functionalizing the PIM-1 with a carboxylic acid (—COOH) group by converting the —CN to the —COOH, the functionalizing of the PIM-1 resulting in a hydrolyzed polymer (PIM-1-Cn), a degree of functionalization of the PIM-1 being controlled, in part, byreacting the PIM-1-Cn through an acid-base interaction, the PIM-1-Cn being reacted with tris(2-aminoehtyl)amine (TAEA), the reacted PIM-1-Cn resulting in a primary amine-appended sorbent (PIM-1-Cn-TA).4. The process of claim 3 , further comprising: a pellet;', 'a film;', 'a solid fiber strand; and', 'a hollow fiber strand., 'casting the amine-appended sorbent into a product selected from the group consisting of5. The process of claim 3 , wherein the amine-appended sorbent has a COuptake capacity of at least thirty-six cubic centimeters per gram (≥36 cc/g).6. The process of claim 3 , wherein:the reaction temperature is approximately twenty-five degrees Celsius (25° C.); andthe reaction time is approximately twenty-four (24) hours.7. The process of claim 3 , wherein:the reaction temperature is approximately one-hundred-and-twenty degrees Celsius (120° C.); andthe reaction time is approximately ninety (90) minutes.8. The process of claim 3 , wherein:the reaction temperature is approximately one-hundred-and-twenty degrees Celsius (120° C.); andthe reaction time is approximately two-hundred-and-ten (210) minutes.9. A process comprising:functionalizing a polymer with intrinsic microscopy (PIM-1) with a carboxylic acid (—COOH) group, the ...

POWDER, METHOD OF PRODUCING POWDER, AND ADSORPTION APPARATUS

The present invention provides that powder is mainly constituted from secondary particles of hydroxyapatite. The secondary particles are obtained by drying a slurry containing primary particles of hydroxyapatite and aggregates thereof and granulating the primary particles and the aggregates. A bulk density of the powder is 0.65 g/mL or more and a specific surface area of the secondary particles is 70 m/g or more. The powder of the present invention has high strength and is capable of exhibiting superior adsorption capability when it is used for an adsorbent an adsorption apparatus has. 1. A method of producing powder including secondary particles mainly formed of hydroxyapatite , the method comprising:mixing a first liquid containing a calcium source to be a raw material of the hydroxyapatite with a second liquid containing a phosphoric source to be the raw material of the hydroxyapatite to obtain a mixture;reacting the calcium source with the phosphoric source with stirring the mixture to obtain a slurry containing primary particles of the hydroxyapatite and aggregates thereof;physically crushing the aggregates contained in the slurry to disperse the crushed aggregates in the slurry; andgranulating the primary particles and the crushed aggregates by spraying and drying the slurry to obtain the secondary particles.2. The method as claimed in claim 1 , wherein power for stirring the mixture is in the range of 0.75 to 2.0 W per 1 L of the mixture.3. The method as claimed in claim 1 , wherein a content of the calcium source in the first liquid is in the range of 5 to 15 wt % and a content of the phosphoric source in the second liquid is in the range of 10 to 25 wt %.4. The method as claimed in claim 1 , wherein the mixing the first liquid with the second liquid is performed by dropping the second liquid into the first liquid at a rate of 1 to 40 L/hour.5. The method as claimed in claim 4 , wherein a time for dropping the second liquid into the first liquid is in the ...

Poly(Meth)Acrylic Acid (Salt)-Based Particulate Absorbent, and Production Method

[Problem] To provide, at low cost, a disposable diaper that presents no difficulties in disposable diaper manufacture in humid climates, and that has a minimal amount of flowback, and rapid absorption time. 1. A particulate water-absorbing agent comprising a poly (meth)acrylic acid (salt)-based water-absorbing resin as a main component , whereinthe particulate water-absorbing agent has:a particle size distribution of a weight average particle diameter of 300 to 500 μm,a blocking ratio after moisture absorption when left for one hour at 25° C. and 90% relative humidity of 20% or less,a surface tension of 60 mN/m or more, anda gel capillary absorption (GCA) of 28.0 g/g or more.2. The particulate water-absorbing agent according to claim 1 , wherein the particulate water-absorbing agent is surface crosslinked.3. The particulate water-absorbing agent according to claim 1 , wherein the particulate water-absorbing agent has a fluid retention capacity without pressure (CRC) of 28 g/g or more.4. The particulate water-absorbing agent according to claim 1 , wherein the particulate water-absorbing agent has a fluid retention capacity under pressure (AAP) of 25 g/g or more.5. The particulate water-absorbing agent according to claim 1 , wherein the particulate water-absorbing agent has a water absorption time by Vortex method of 40 seconds or less.6. The particulate water-absorbing agent according to claim 1 , wherein the particulate water-absorbing agent has a surface tension of 65 mN/m or more.7. The particulate water-absorbing agent according to claim 1 , wherein the particulate water-absorbing agent has a gel capillary absorption (GCA) of 30.0 g/g or more.8. The particulate water-absorbing agent according to claim 1 , comprising water-insoluble inorganic fine particles.9. The particulate water-absorbing agent according to claim 8 , wherein the water-insoluble inorganic fine particles content is from 0.01 to 1.0% by weight per 100% by weight of the polyacrylic acid (salt)- ...

HIGHLY ORDERED TITANIA NANOTUBE ARRAYS FOR PHOSPHOPROTEOMICS

Titania nanotube arrays are useful for phosphopeptide enrichment and separation. These highly ordered titania nanotube arrays are a low cost and highly effective alternative to the use of liquid chromatography mass spectrometry (LC-MS) methods using meoporous titania beads or particles. The highly ordered Ti0nanotubes are grown on surfaces coated with Ti metal, or preferably on Ti wires, by methods that preferably include anodic oxidation. 1. A method for isolation of phosphopeptides in a sample , comprising:{'sub': 2', '2, 'growing ordered TiOnanotubes on a Ti surface, wherein the nanotubes point outward from the Ti surface, to produce an ordered TiOnanotube array;'}{'sub': 2', '2, 'contacting the ordered TiOnanotube array with the sample to produce bound phosphopeptides attached to the ordered TiOnanotube array; and'}{'sub': '2', 'releasing the bound phosphopeptides from the ordered TiOnanotube array to produce isolated phosphopeptides.'}2. The method of claim 1 , wherein the ordered TiOnanotubes have a length of about 100 nm to about 500 μm and a pore diameter of about 10 nm to about 400 nm.3. The method of claim 1 , wherein the ordered TiOnanotubes have a length of about 10 to about 20 μm claim 1 , a pore diameter of about 110 nm claim 1 , and a wall thickness of about 20 nm.4. The method of claim 1 , wherein the ordered TiOnanotubes are grown on the Ti surface by anodic oxidation.5. The method of claim 1 , wherein the Ti surface is a Ti wire and wherein the nanotubes point radially outward from the Ti wire.6. The method of claim 5 , wherein the Ti wire has a diameter of about 0.01 mm to about 1 mm.7. The method of claim 5 , wherein the Ti wire has a diameter of about 0.25 mm.8. The method of claim 1 , wherein the ordered TiOnanotube array is immobilized on the Ti surface.9. The method of claim 1 , wherein the Ti surface is an internal surface of a container claim 1 , and wherein the internal surface of the container has been coated with Ti.10. The method of ...

METHOD OF MAKING HETERO-ATOM DOPED ACTIVATED CARBON

A method of making heteroatom-doped activated carbon is described in this application. Specifically, it describes a process that utilizes liquid furfuryl-functional-group compounds as starting materials, which are then used to dissolve the heteroatom containing source compounds, before being polymerized into solids using catalysts. The polymerized solids are then carbonized and activated to make the heteroatom-doped activated carbon. Electric double-layer capacitors (EDLC) were fabricated with activated carbons doped with boron and nitrogen, and tested for performance. Also, the boron and nitrogen content in the activated carbons was confirmed by chemical analysis. 1. A method of producing a heteroatom-doped activated carbon , comprising:a) mixing a liquid furfuryl-functional-group containing compound with the heteroatom containing source compound and a polymerization catalyst to form a mixture;b) heating the mixture to polymerize the liquid furfuryl-functional-group compound and forming a polymerized solid;c) carbonizing the polymerized solid by heating under a controlled atmosphere, wherein the controlled atmosphere is an inert atmosphere, to form a carbonized solid; andd) activating the carbonized solid by heating under a controlled environment to form the heteroatom-doped activated carbon.2. The method according to claim 1 , wherein the heteroatom containing source compound is at least one of a boric acid claim 1 , tri-alkyl borate claim 1 , ammonium borate claim 1 , boron acetate claim 1 , BF claim 1 , urea claim 1 , NHOH claim 1 , nitric acid claim 1 , acrylonitrile claim 1 , hexamethylenediamine claim 1 , either as a compound or in a solution with organic solvents or water.3. The method according to claim 1 , wherein the liquid furfuryl-functional-group containing compound is at least one of a furfuryl alcohol claim 1 , furfural claim 1 , acetylfuran claim 1 , 5-hydroxymethylfurfural.4. The method according to claim 1 , wherein the polymerization catalyst is ...

Removal of chloramine and mercury from aqueous solutions

Described herein is a method of removing mercury from an aqueous solution comprising: providing an aqueous solution comprising chloramine and mercury; and contacting the aqueous solution with a medium comprising a porous carbon substrate comprising at least 1.5% by mass of sulfur.

Chitosan based high performance filter with self-regenerating ability

A self-regenerating chitosan based filter medium for disinfecting and purifying organic pollutants and other pollutants in a gas or liquid is disclosed herein. Porosity and surface charge of said filter medium is manipulative/tunable by varying one or more of the following parameter(s): concentration of chitosan, crosslinking density, amount of copolymers and additives, freezing temperature, freezing profile, and/or types of crosslinker used. The present filter medium is capable of self-regenerating under exposure to ultra-violet light for sufficient time and removing over 90% of the pollutants from each influent flowing through the filter medium.

METHOD OF REMOVING ARSENIC FROM A LIQUID

A method for removing arsenic from a liquid includes adding a two-dimensional metal carbide adsorbent to the liquid to adsorb the arsenic from the liquid. The two-dimensional metal carbide adsorbent can include at least one MXene, having the formula MX, where n=1, 2 or 3, where M is an early transition metal, such as scandium (Sc), titanium (Ti), vanadium (V), chromium (Cr), yttrium (Y), zirconium (Zr), niobium (Nb), molybdenum (Mo) or the like, and X is either carbon or nitrogen. The MXene may be TiC. 1. A method of removing arsenic from a liquid , comprising the steps of:{'sub': n+1', 'n, 'providing an MXene, having the formula MX, where n is an integer ranging between 1 and 3 inclusive, M is an early transition metal, and X is selected from the group consisting of carbon and nitrogen; and'}adding the MXene to a liquid, the MXene adsorbing arsenic from the liquid.2. The method of removing arsenic from a liquid as recited in claim 1 , wherein the MXene comprises TiC.3. The method of removing arsenic from a liquid as recited in claim 2 , wherein the step of providing the MXene comprises room temperature exfoliation of Titanium (III) Aluminum Carbide (II) (TiAlC) using hydrofluoric (HF) acid.4. The method of removing arsenic from a liquid as recited in claim 1 , wherein the liquid comprises water.5. The method removing arsenic from a liquid as recited in claim 1 , wherein the liquid comprises a solution including lead (Pb) and chromium (Cr (VI)).6. A method of removing arsenic from a liquid claim 1 , comprising the steps of:{'sub': 3', '3', '3', '2, 'performing room temperature exfoliation of Titanium (III) Aluminum Carbide (II) (TiAlC) using hydrofluoric (HF) acid to produce TiC; and'}{'sub': 3', '2', '3', '2, 'adding the TiCto a liquid including arsenic, the TiCadsorbing the arsenic from the liquid.'}7. The method of removing arsenic from a liquid as recited in claim 6 , wherein the liquid comprises water.8. The method of removing arsenic from a liquid as recited ...

Alkaline earth metal ion adsorbent, and production method of the same, and alkaline earth metal ion-containing liquid treatment apparatus

Provided is a particulate alkaline earth metal ion adsorbent having a large adsorption capacity. The particulate alkaline earth metal ion adsorbent comprising: a potassium hydrogen dititanate hydrate represented by a chemical formula K 2-x H x O.2TiO 2 .nH 2 O, wherein x is 0.5 or more and 1.3 or less, and n is greater than 0; and no binder, wherein the particulate alkaline earth metal ion adsorbent has a particle size range of 150 μm or more and 1000 μm or less.

Permeable Superabsorbent and Process for Production Thereof

A highly permeable superabsorbent is prepared by a process comprising 1. A process for producing a superabsorbent , comprisingpolymerizing an aqueous monomer solution comprisinga) at least one ethylenically unsaturated monomer which bears an acid group and optionally is at least partly in salt form,b) at least one crosslinker,c) at least one initiator,d) optionally one or more ethylenically unsaturated monomer copolymerizable with the monomer mentioned under a), ande) optionally one or more water-soluble polymer;drying a resulting polymer,optionally grinding the dried polymer and sieving the ground polymer,optionally surface postcrosslinking the dried and optionally ground and sieved polymer,wherein, after drying, grinding, or sieving, and, if surface postcrosslinking is conducted, during or after the surface postcrosslinking, adding an x-ray-amorphous aluminum hydroxide powder.2. The process according to claim 1 , wherein 0.01% to 2% by weight claim 1 , based on the amount of polymer prior to the addition claim 1 , of x-ray-amorphous aluminum hydroxide is added.3. The process according to claim 2 , wherein 0.2% to 1% by weight claim 2 , based on the amount of polymer prior to the addition claim 2 , of x-ray-amorphous aluminum hydroxide is added.4. The process according to any of claim 1 , wherein the dried and optionally ground and sieved polymer is surface postcrosslinked with a postcrosslinker that forms covalent bonds with polar groups at a surface of the superabsorbent particles.5. The process according to any of claim 1 , wherein claim 1 , after the addition of x-ray-amorphous aluminum hydroxide powder claim 1 , 0.1% to 10% by weight claim 1 , based on the amount of polymer prior to the addition of the x-ray-amorphous aluminum hydroxide powder claim 1 , of water is added to the superabsorbent.6. A superabsorbent obtained by the process of any of .7. An article for absorption of fluids claim 6 , comprising the superabsorbent of .8. A process for producing ...

SUPERABSORBENT MATERIAL SAT (SUPER ABSORBENT TISSUE)

A method for wet production of a superabsorbent material. The method comprises forming an aqueous saline solution with a concentration of 0.01-4.5 N of ionic salt and a pH from 0 to 6.0 or from 8.0 to 14.0 by the addition of a strong acid or strong base; dispersing in the saline solution a water superabsorbent polymer (SAP); creating a first web by stratification and deposition under vacuum suction onto a mesh screen belt deposition section of the SAP dispersion; washing the web with a basic solution (or with an acidic solution) up to the desired level of neutralization of the acidity (or basicity) for SAP dispersions in acidic (or basic) saline solutions; washing the web with water and suction; and drying the web. The relationship between pH and salt concentration causes a water absorption in the SAP equal to or less than about 30.00 g/g. 2. The method according to claim 1 , wherein the dispersion in the saline solution of a super water absorbent polymer (SAP) component also involves the dispersion of natural or artificial cellulosic fibers claim 1 , and/or artificial and/or synthetic fibers claim 1 , suitably made wettable with surface or in bulk treatments with surfactants claim 1 , and the formation of a dispersion in aqueous saline solution of fibers and SAP at a pH from 0 to 6.0 depending on the type of SAP used.3. The method according to wherein the pH of the desired saline solution between the ranges from 0 to 6.0 is obtained also by the use of respectively pre-acid or pre-basic SAP to levels of salinization such that once dispersed in the saline solution claim 1 , they cause the desired pH conditions.4. The method according to claim 1 , wherein the dispersion is in an aqueous acid solution of an anionic water absorbing resin (SAP) lightly cross-linked and the SAP is selected from the group of polyacrylic acid claim 1 , a hydrolyzed acrylonitrile polymer claim 1 , a hydrolyzed acrylamide copolymer claim 1 , a starch-acrylic acid graft copolymer claim 1 , a ...

ADSORBENT MATERIAL AND METHOD FOR PRODUCING CRYSTALLINE SILICOTITANATE

There are provided an adsorbent material excellent in the adsorptive removal properties of Cs and Sr also in seawater, and a method for producing a crystalline silicotitanate suitable for the adsorbent material. 119-. (canceled)20. A method for producing at least one crystalline silicotitanate selected from crystalline silicotitanates represented by the general formulae: NaTiSiO.nHO , (NaK)TiSiO.nHO and KTiSiO.nHO wherein x represents a number of more than 0 and less than 1 and n represents a number of 0 to 8 , the method comprising:a first step of mixing a silicic acid source, a sodium compound and/or a potassium compound, titanium tetrachloride and water to thereby obtain a mixed gel; anda second step of subjecting the mixed gel obtained in the first step to a hydrothermal reaction,wherein in the first step, the silicic acid source and the titanium tetrachloride are added so that a molar ratio of Ti and Si contained in the mixed gel becomes Ti/Si=0.5 or higher and 3.0 or lower.21. The method for producing a crystalline silicotitanate according to claim 20 , comprising by-producing at least one selected from titanate salts represented by the general formulae: NaTiO.mHO claim 20 , (NaK)TiO.mHO and KTiO.mHO wherein y represents a number of more than 0 and less than 1 and m represents a number of 0 to 10.22. The method for producing a crystalline silicotitanate according to claim 20 , comprising using a sodium compound and a potassium compound in the first step to thereby obtain a crystalline silicotitanate comprising NaTiSiO.nHO and KTiSiO.nHO claim 20 , or (NaK)TiSiO.nHO.23. The method for producing a crystalline silicotitanate according to claim 20 , wherein in the first step claim 20 , the silicic acid source is soda silicate claim 20 , or an active silicic acid obtained by cationically exchanging an alkali silicate.24. The method for producing a crystalline silicotitanate according to claim 23 , wherein in the first step claim 23 , the silicic acid source is soda ...

ENDOTOXIN ADSORBENT

A means for selectively removing ET under coexistence of a substance showing a negative charge, such as nucleic acid is described. Endotoxin is selectively removed by bringing a polymer obtained by crosslinking cyclodextrin with an isocyanate-based crosslinking agent in contact with a solution containing endotoxin and the substance showing the negative charge such as nucleic acid. 1. A polymer of cyclodextrin , having features (1) to (4) described below: {'br': None, 'i': 'N/C', '(mol %)=nitrogen content (mol)/carbon content (mol)×100\u2003\u2003(formula 1)'}, '(1) N/C shown according the following formula is 6 to 15;'}(2) part of hydroxy group of cyclodextrin forms a urethane bond;(3) insoluble in water; and(4) anion exchange capacity is less than 0.1 meq/g.2. A method for producing the polymer according to claim 1 , comprising allowing a crosslinking agent to react with cyclodextrin claim 1 , whereinthe crosslinking agent is a compound having one or more isocyanate groups, per molecule, and one or more functional groups that can react with a hydroxy group.3. The method according to claim 2 , wherein the functional group that can react with the hydroxy group is an isocyanate group.4. An endotoxin adsorbent claim 1 , containing a base material and the polymer according to as immobilized to the base material.5. A method for producing an endotoxin adsorbent claim 1 , comprising immobilizing the polymer according to to a base material.6. The method for producing the endotoxin adsorbent according to claim 4 , comprising allowing a crosslinking agent to react with a base material claim 4 , and cyclodextrin claim 4 , wherein the crosslinking agent is a compound having one or more isocyanate groups claim 4 , and one or more functional groups that can react with a hydroxy group.7. The method according to claim 6 , wherein the functional group that can react with the hydroxy group is an isocyanate group. This application is a divisional application of and claims the priority ...

SUPER ABSORBENT POLYMER AND PREPARATION METHOD THEREOF

The present invention relates to a super absorbent polymer and a preparation method thereof. The super absorbent polymer includes surface crosslinked polymer particles prepared by surface crosslinking of particles of a base resin, wherein the base resin is polymerized from a monomer composition including water-soluble ethylene-based unsaturated monomers, and a water-soluble component, wherein the water-soluble component has a ratio (dwt/d(log M)) of 0.9 or less over molecular weights (M) ranging from 100,000 to 300,000 when measured from an eluted solution after swelling the super absorbent polymer for 1 hour, and wherein the content of the water-soluble component is 5% by weight or less, based on the total weight of the super absorbent polymer, when measured after swelling the super absorbent polymer for 1 hour. The super absorbent polymer has excellent liquid permeability even when swollen without a reduction in centrifuge retention capacity or absorbency under load while having improved permeability. 1. A preparation method of a super absorbent polymer , comprising:heating or irradiating a monomer composition to form a hydrogel polymer by polymerization, wherein the monomer composition contains water-soluble ethylene-based unsaturated monomers and a polymerization initiator;drying the hydrogel polymer;pulverizing the dried polymer to form particles; andheating a mixture of the particles and a surface crosslinking solution at a temperature ranging from about 180 to about 200° C. to form surface crosslinked polymer particles of the super absorbent polymer, wherein the surface crosslinking solution contains a surface crosslinking agent and water.2. The preparation method of claim 1 , wherein the monomer composition includes a internal crosslinking agent.3. The super absorbent polymer of claim 2 , wherein the internal cross linking agent is present in an amount ranging from 0.1 to 0.5 wt % based on the monomer composition.4. The preparation method of claim 1 , ...

BETA-CYCLODEXTRIN-BASED MONOLITHS THROUGH EMULSION TEMPLATING

Provided herein is a porous β-cyclodextrin-containing monolith having a microstructure templated by the external phase of a HIPE, as well as processes of manufacturing the same and uses thereof. 1. A composition-of-matter comprising a polymer , wherein said polymer comprises a plurality of β-cyclodextrin residues , and having a microstructure that is templated by a polymerized high internal phase emulsion (HIPE).2. The composition-of-matter of claim 1 , wherein a content of said β-cyclodextrin residues in said polymer is at least 10 wt %.3. The composition-of-matter of claim 1 , characterized by having less than 10% urea residues.4. The composition-of-matter of claim 3 , essentially devoid of urea residues.5. The composition-of-matter of claim 1 , wherein said polymer further comprises residues of a polyisocyanate monomer.6. The composition-of-matter of claim 3 , wherein said polyisocyanate is a diisocyanate monomer.7. The composition-of-matter of claim 6 , wherein said diisocyanate monomer is selected from the group consisting of hexamethylene diisocyanate (HDI) claim 6 , isophorone diisocyanate (IPDI) claim 6 , 4 claim 6 ,4′-dicyclohexylmethane diisocyanate claim 6 , toluene diisocyanate claim 6 , methylene diphenyl diisocyanate claim 6 , and any combination thereof.8. The composition-of-matter of claim 1 , wherein said polymer further comprises residues of a poloxamer.9. The composition-of-matter of claim 8 , wherein said poloxamer is Pluronic F-127.10. The composition-of-matter of claim 1 , characterized by at least one of:a density lower than 0.3 g/cc;a modulus of at least 0.3 MPa; and/ora compressive failure strain of at least 10%.11. A process of preparing the composition-of-matter of claim 1 , the process comprising:providing a first organic phase (a first solution) that comprises β-cyclodextrin and a polyisocyanate;mixing said first organic phase with a second organic phase that is immiscible with/in said first organic phase, and a surfactant/HIPE- ...

CHEMICAL REACTORS

A method for producing a chemical reactor device based on a fluid flow comprises obtaining a substrate with a fluid channel defined by a channel wall, in which an ordered set of silicon pillar structures is positioned in the fluid channel and electrochemically anodising at least the silicon pillar structures to make the silicon pillar structures porous at least to a certain depth. After the anodising, the substrate and pillar structures are thermally treated, the treatment being carried out at a temperature, with a duration and in an atmosphere such that any silicon oxide layer formed has a thickness of less than 20 nm. The substrate and the pillar structures are further functionalized. 125.-. (canceled)26. A method for producing a chemical reactor device based on a fluid flow , the method comprising:obtaining a substrate with a fluid channel defined by a channel wall, in which an ordered set of silicon pillar structures is positioned in the fluid channel,electrochemically anodising at least the silicon pillar structures to make the silicon pillar structures porous at least to a certain depth,after anodising, performing thermal treatment and performing functionalisation of the substrate and pillar structures to condition at least a part of the silanol groups on the substrate and/or pillar structures,wherein the thermal treatment is being carried out at a temperature, with a duration and in an atmosphere such that any silicon oxide layer formed has a thickness of less than 20 nm.27. The method according to claim 26 , wherein the functionalisation comprises silanising at least part of the silanol groups on the substrate or the pillar structures.28. The method according to claim 26 , wherein the step of thermal treatment and the functionalisation are adapted to claim 26 , in a chemical reactor in a liquid chromatography assay for a standard mixture of peptides including Angiotensin II with a concentration of peptides of 0.25 ppm introduced into a mixture of a first ...

CHROMATOGRAPHIC MATERIALS FOR THE SEPARATION OF UNSATURATED MOLECULES

The present disclosure relates to a method of separating a compound of interest, particularly unsaturated compound(s) of interest, from a mixture. The compound is separated using a column having a chromatographic stationary phase material for various different modes of chromatography containing a first substituent and a second substituent. The first substituent minimizes compound retention variation over time under chromatographic conditions. The second substituent chromatographically and selectively retains the compound by incorporating one or more aromatic, polyaromatic, heterocyclic aromatic, or polyheterocyclic aromatic hydrocarbon groups, each group being optionally substituted with an aliphatic group. In some examples, the present disclosure can include a chromatographic system having a chromatographic column having a stationary phase with a chromatographic substrate containing silica, metal oxide, an inorganic-organic hybrid material, a group of block copolymers, or a combination thereof. 2. The stationary phase of claim 1 , wherein the surface of X is subject to alkoxylation by a chromatographic mobile phase under chromatographic conditions.3. The stationary phase of claim 2 , wherein a substantial portion of the surface of X does not undergo alkoxylation by a chromatographic mobile phase under chromatographic conditions.4. The stationary phase of claim 1 , wherein the surface of X does not comprise silica claim 1 , and b=0 or c=0.5. The stationary phase of claim 1 , wherein the chromatographic stationary phase is adapted for supercritical fluid chromatography.6. The stationary phase of claim 1 , wherein the chromatographic stationary phase is adapted for carbon dioxide based chromatography.7. A column claim 1 , capillary column claim 1 , microfluidic device or apparatus for normal phase chromatography claim 1 , high-pressure liquid chromatography claim 1 , solvated gas chromatography claim 1 , supercritical fluid chromatography claim 1 , sub-critical fluid ...

MAGNETIC COMPOSITE CONTAINING POLYETHYLENIMINE FUNCTIONALIZED ACTIVED CARBON AND METHODS THEREOF

A polymer/activated carbon composite made up of a branched polyethylenimine and magnetic cores involving FeOdisposed activated carbon. The magnetic cores have activated carbonyl groups on the surface. A process for removing organic dyes, such as methyl red, as well as heavy metal ions from a polluted aqueous solution or an industrial wastewater utilizing the composite is introduced. A method of synthesizing the polymer/activated carbon composites is also specified. 1: A composite , which is a product formed by a reaction of:{'sub': 3', '4, 'a magnetic core comprising FeOdisposed on activated carbon; and'}a branched polyethylenimine,wherein:{'sub': 3', '4, 'the FeOis in the form of nanoparticles having an average particle size of 1-100 nm; and'}the magnetic core comprises activated carbonyl groups on a surface of the magnetic core.2: The composite of claim 1 , wherein the activated carbonyl group is an acyl halide group.3: The composite of claim 1 , wherein the branched polyethylenimine is bonded to the surface of the magnetic core via an amide linkage.4: The composite of claim 1 , wherein the branched polyethylenimine has a number average molecular weight in a range of 200-80 claim 1 ,000 Da.5: The composite of claim 1 , wherein a weight ratio of the FeOnanoparticles to the activated carbon is in a range of 2:3 to 3:1.6: The composite of claim 1 , which has a surface area of 140-180 m/g.7: The composite of claim 1 , which has a pore volume of 0.2-0.28 cm/g claim 1 , and a pore size of 4-8 nm.8: A method of preparing the composite of claim 2 , the method comprising:treating an activated carbon with an acid to form a carboxylated carbon;mixing the carboxylated carbon, a Fe(II) salt, a Fe(III) salt, and a base in the presence of a solvent to form a mixture;heating the mixture to form a magnetic carbon;mixing the magnetic carbon and a halide reagent to form the magnetic core; andreacting the magnetic core with the branched polyethylenimine thereby forming the composite, ...

SURFACE FUNCTIONALISED MATERIALS FOR SAMPLING BIOLOGICAL MOLECULES

The invention relates to materials, methods and devices useful for sampling biological molecules, including biomarkers and/or metabolites. In particular, the invention relates to surface functionalised xerogels and surface functionalised poly(dimethyl) siloxane (PDMS), devices comprising those materials, and methods of using the materials and devices for sampling, analysing or detecting biological molecules. 1. A surface-functionalised xerogel comprising a functional group capable of selectively binding to a biological molecule from a subject.2. A surface-functionalised xerogel according to claim 1 , wherein the biological molecule is from a mucous membrane or biological fluid.3. A surface-functionalised xerogel according to or claim 1 , for insertion into: a body orifice claim 1 , typically a nostril claim 1 , ear canal claim 1 , mouth claim 1 , anus/rectum claim 1 , vagina claim 1 , or urethra; or a body cavity; or a bodily tube claim 1 , typically a fallopian tube.4. A surface-functionalised xerogel according to any of to claim 1 , wherein the functional group is capable of selectively binding to a cell claim 1 , protein claim 1 , lipid or nucleic acid biomarker claim 1 , or metabolite.5. A surface-functionalised xerogel according to any preceding claim claim 1 , wherein the surface-functionalised xerogel is a silica xerogel.6. A surface-functionalised xerogel according to any preceding claim claim 1 , wherein the functional group is selected from an antigen-binding protein claim 1 , a nucleic acid claim 1 , a lipid-binding moiety claim 1 , a sugar or glycoprotein; or a block group-presenting co-polymer.7. A surface-functionalised xerogel according to claim 6 , wherein:{'sub': 4', '20, 'a. the lipid-binding moiety comprises a C-Calkyl silicate functionalised silica xerogel, optionally an octadecylsilyl (ODS) group; or'}b. the sugar is mannose; orc. the antigen-binding protein is an antibody or an antigen-binding fragment thereof.8. A surface functionalised ...

GAS DETECTOR

Provided is a gas detector which has a high durability to silicone poisoning and of which power consumption is reduced. The gas detector includes a contact combustion-type gas sensor and detects a paraffinic hydrocarbon gas, a solvent gas, and a hydrogen gas. The contact combustion-type gas sensor is configured to include two gas detection elements that are disposed in two detection chambers partitioned from each other, respectively, and the gas inlet of one detection chamber is provided with a silicone removal filter. The paraffinic hydrocarbon gas is detected by one gas detection element disposed in the one detection chamber which is provided with the silicone removal filter. Furthermore, the solvent gas is detected by the other gas detection element which is disposed in the other detection chamber. Still furthermore, the hydrogen gas is detected by either the one gas detection element or the other gas detection element. 1. A gas detector comprising a contact combustion-type gas sensor , whereinthe contact combustion-type gas sensor is configured such that two gas detection elements are each disposed in each of two detection chambers that are partitioned from each other, the gas detection elements each having a catalyst carried by a carrier made of a metal oxide sintered compact firmly fixed to a temperature-measuring resistor, andone of the detection chambers in the contact combustion-type gas sensor has a gas inlet that is provided with a silicone removal filter.2. The gas detector according to claim 1 , comprising an output processing unit configured to acquire claim 1 , on a basis of output data provided on a test gas by one gas detection element claim 1 , concentration data of a target gas being detected in the test gas and claim 1 , on a basis of output data provided on the test gas by the other gas detection element claim 1 , concentration data of the target gas being detected in the test gas claim 1 , and to output the higher one of the two pieces of ...

Supported Sulfides for Mercury Capture

Herein are described methods and materials for capturing mercury from, for example, the gases produced by the combustion of coal. The composition for the removal of mercury from the fluid includes a polysulfide selected from the group consisting of a calcium sulfide and a bromosulfide; the polysulfide supported by or carried on a surface of a silicate particulate. Disclosed methods include a process for manufacturing the bromosulfide or calcium-sulfide mercury-removal composition and a process of capturing mercury from a fluid, the process can include admixing a bromosulfide or calcium-sulfide mercury-removal composition and a fluid that includes mercury; wherein the bromosulfide mercury removal composition includes a bromosulfide supported by or carried on a surface of a silicate particulate; wherein the calcium-sulfide mercury-removal composition includes a calcium sulfide supported by or carried on a surface of a silicate particulate. 1. A composition for the removal of mercury from a fluid , the composition comprising:a polysulfide that is a calcium sulfide;supported by or carried on a surface of a silicate particulate;{'sub': '2', 'wherein the calcium sulfide is the reaction product of Ca(OH)and elemental sulfur.'}2. The composition of claim 1 , wherein the composition includes a weight percentage of the silicate particulate and a weight percentage of the polysulfide; and wherein the composition includes less than 25 wt. % claim 1 , of the polysulfide.3. (canceled)4. A method for manufacturing a calcium-sulfide mercury-removal composition comprising a two-step process selected from the group consisting of:{'sub': 2', '2, 'admixing Ca(OH)with a silicate support and then admixing elemental sulfur with the Ca(OH)-silicate admixture; and'}{'sub': '2', 'admixing Ca(OH)and elemental sulfur to produce a calcium sulfide and then admixing the calcium sulfide with a silicate support.'}5. A process of capturing mercury from a fluid claim 1 , the process comprising: ...

PROCESS FOR PRODUCING WATER-ABSORBENT RESIN

The present invention provides a process for producing a water-absorbent resin, characterized in that a reverse-phase suspension polymerization of a water-soluble ethylenically unsaturated monomer is carried out in a hydrocarbon dispersion medium comprising a dispersion stabilizer while an azo-based compound and a peroxide are combined in the presence of an internal-crosslinking agent, in that the following formulae are satisfied, 1. A process for producing a water-absorbent resin , characterized in thata reverse-phase suspension polymerization of water-soluble ethylenically unsaturated monomers is carried out in a hydrocarbon dispersion medium comprising a dispersion stabilizer while an azo-based compound and a peroxide are combined in the presence of an internal-crosslinking agent, in thatthe water-soluble ethylenically unsaturated monomers are (meth)acrylate and the salt thereof, in that [{'br': None, 'i': B', 'A+B, '0.10≦/()\u2003\u2003(1), and'}, {'br': None, 'i': B+', 'C≦, '0.055≦9×0.120\u2003\u2003(2),'}], 'the following formulae are satisfied,'}wherein A mol, B mol and C mol represent used amounts of the azo-based compound, the peroxide and the internal-crosslinking agent, respectively, relative to 100 mol of the water-soluble ethylenically unsaturated monomers used in the polymerization, in that0.0005 mol≦B≦0.10 mol, and in thata post-crosslinking reaction is carried out by adding a post-crosslinking agent after the polymerization.2. The process for producing a water-absorbent resin according to claim 1 , wherein the azo-based compound is at least one selected from the group consisting of 2 claim 1 ,2′-azobis(2-amidinopropane)dihydrochloride claim 1 , 2 claim 1 ,2′-azobis{2-[1-(2-hydroxyethyl)-2-imidazolin-2-yl]propane}dihydrochloride claim 1 , and 2 claim 1 ,2′-azobis[N-(2-carboxyethyl)-2-methylpropionamidine]tetrahydrate.3. The process for producing a water-absorbent resin according to claim 1 , wherein the peroxide is at least one selected from the group ...

Porous Media Compositions and Methods for Producing the Same

The present invention relates to porous substrate compositions and methods for producing such compositions. In one embodiment, the porous substrate composition of the present invention comprises sintered spherical particles of a substantially uniform size. The porous media compositions of the present invention comprise relatively randomly-ordered particles with a void fraction significantly higher than compositions with a more ordered, close-packed configuration. The present invention further relates to composite porous media compositions comprising two or more relatively discrete layers of sintered particles. 1. A sintered porous material , comprising:one or more layers of sintered particles having a void fraction of at least about 0.26,wherein each layer comprises substantially spherical particles having a relative standard deviation in particle size of about 10 percent or less.2. The material of claim 1 , wherein the sintered particles comprise:a substantially solid core, andone or more shell layers, wherein each shell layer comprises a plurality of sintered shell particles.3. The material of claim 1 , comprising a first layer and a second layer claim 1 , wherein the second layer comprises substantially spherical particles having a relative standard deviation in particle size of about 10 percent or less claim 1 , and the second layer is sintered to the first layer.4. The material of claim 1 , wherein the average particle size of the particles is greater than about 1 micron.5. The material of claim 1 , wherein the average particle size of the particles is about 1.7 micron.6. The material of claim 1 , wherein the average particle size of the particles is greater than about 3 micron.7. The material of claim 1 , wherein the average particle size of the particles is less than about 500 nm.8. The material of claim 1 , wherein the average particle size of the particles is less than about 250 nm.9. The material of claim 1 , wherein the average particle size of the ...

FILTRATION MATERIAL FOR FILTERED VENTING, AND FILTERED VENTING DEVICE

Provided are a filtration material for filtered venting and a filtered venting device that are more effective in adsorbing radioactive iodine than in the conventional art and are useful for addressing severe accidents. The filtration material for filtered venting comprises granulated zeolite L, wherein at least a portion of the ion exchange sites of the zeolite L are substituted with silver. Of the ion exchange sites, a constitution ratio (a/b) of ion exchange sites (a) substituted with silver to ion exchange sites (b) not substituted with silver is 25/75-55/45. The zeolite L has a silver content of 7-12 wt % on a dry weight basis. 1. A filtration material for filtered venting comprising granulated zeolite L , whereinat least a portion of ion exchange sites of the zeolite L are substituted with silver.2. The filtration material for filtered venting of claim 1 , whereinof the ion exchange sites, a constitution ratio (a/b) of ion exchange sites (a) substituted with silver to ion exchange sites (b) not substituted with silver is 25/75-55/45.3. The filtration material for filtered venting of claim 1 , whereinthe zeolite L has a silver content of 7-12 wt % on a dry weight basis.4. The filtration material for filtered venting of claim 1 , whereinthe filtration material for filtered venting has a thickness of two inches or more.5. The filtration material for filtered venting of claim 1 , whereinthe filtration material for filtered venting is used at a temperature of 99° C. or more.6. A filtered venting device for continuously treating radioactive iodine claim 1 , wherein{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a silver-containing filtration material containing zeolite X, substantially all ion exchange sites of the zeolite X being substituted with silver, is provided upstream of the filtration material for filtered venting of .'} The present invention relates to a granulated filtration material (filler) for filtered venting which contains zeolite L, and a filtered ...

ACTIVATED CARBON WITH HIGH PERCENTAGE MESOPOROSITY, SURFACE AREA, AND TOTAL PORE VOLUME

A method of producing high grade activated carbon is introduced. The method entails providing soft wood biomass material pretreated to result in a mass of fermentation residual solids having a desired content of lignin. The material is pyrolyzed/carbonized in an inert environment at a temperature rate of 10° C./min up to an upper temperature range and held at the upper temperature range for up to one hour to produce char. Thereafter, the char is activated by changing the inert environment after about one hour at the upper temperature range to an oxidizing environment at a desired oxidizing gas flow rate for a predetermined time period. The environment is then switched back to an inert environment and allowed to cool until room temperature is reached so as to produce the activated high grade carbon. Applications for the material include but is not limited to: carbon electrodes in supercapacitors and mercury adsorbent material. 2. The method of claim 1 , wherein the method includes providing for a high grade activated carbon configured with mesopore volumes of 0.05 up to 0.50 cm/g.3. The method of claim 1 , wherein the method includes providing for a high grade activated carbon configured with a pore volume fraction (V/(V+V) ranging from 0.2 up to 0.8.4. The method of claim 1 , wherein the method includes providing for a high grade activated carbon configured with an apparent specific area ranging from 500 m/g up to 2500 m/g.5. The method of claim 1 , wherein the method includes providing for fermentation residual solids comprising about 50% up to about 70% lignin.6. The method of claim 1 , wherein the activating step includes at least one activating method selected from: physical and chemical activation.7. The method of claim 1 , wherein the high grade activated carbon is utilized for adsorbing mercury.8. The method of claim 1 , wherein the high grade activated carbon is configured as carbon electrodes in supercapacitor.9. The method of claim 1 , wherein the ...

Method of Fabricating Mercury-Removing Reagent Having Layers of Carbonates

A reagent is provided for removing mercury (Hg). The reagent contains metal carbonates compound with layers structure. The contents of metals of reagent can be adjusted using this method. The reagent can be manufactured with kilogram grade per batch. The common ions, like Mg, Ca, Mn, Fe, Co, Ni, Cu, Zn, etc., can be contained in the reagent. The manufacture method provides a low-cost way for the Hg sorbent and the content ratio of metal oxides can be higher than 50 wt %. The manufacture is operated at a temperature more than 200° C. and can be integrated with existing technology such as denitration catalysts in industry for removing Hg. In another word, the present invention fabricates a mercury-removing reagent of metal-M/aluminum carbonates (M-Al—CO), which can be potentially combined with commercially selective catalytic reduction (SCR) catalysts for developing medium-high-temperature mercury-removing reagent with mercury-removing efficiency further enhanced. 1. A method of fabricating a mercury-removing reagent having a metal carbonates compound with a layered structure , comprising steps of:{'sup': '3+', 'sub': 3', '3, '(a) preparing a plurality of acidic solutions of a metal M and aluminum, wherein said acidic solutions have different molar ratios of said metal M to aluminum (M:Al) of 1:1 to 30:1; and wherein the aluminum is obtained from aluminum nitrate (Al(NO)); and wherein said metal M is selected from a group consisting of manganese (Mn), iron (Fe), cobalt (Co), Nickel (Ni), and copper (Cu);'}{'sub': 2', '3, '(b) preparing an alkaline solution of sodium hydroxide (NaOH) and sodium carbonate (NaCO);'}{'sub': '3', 'sup': '3', '(c) stirring the acidic solutions with said alkaline solution to co-precipitate metal-M/aluminum carbonates (M-Al—CO) having said different molar ratios of M:Al+; and'}{'sup': '3+', 'sub': '3', '(d) after being dried and processed through solid-liquid separation, forming powders of metal-M/aluminum carbonates having said different ...

Graphene/Graphite Polymer Composite Foam Derived From Emulsions Stabilized by Graphene Kinetic Trapping

The present disclosure provides advantageous graphene/graphite stabilized composites (e.g., graphene/graphite stabilized emulsion-templated foam composites), and improved methods for fabricating such graphene/graphite stabilized composites. More particularly, the present disclosure provides improved methods for fabricating pristine, graphene/graphite/polymer composite foams derived from emulsions stabilized by graphene/graphite kinetic trapping. In exemplary embodiments, the present disclosure provides that, instead of viewing the insolubility of pristine graphene/graphite as an obstacle to be overcome, it is utilized as a means to create or fabricate water/oil emulsions, with graphene/graphite stabilizing the spheres formed. These emulsions are then the frameworks used to make foam composites that have shown bulk conductivities up to about 2 S/m, as well as compressive moduli up to about 100 MPa and breaking strengths of over 1200 psi, with densities as low as about 0.25 g/cm. 1. A composite comprising:a polymeric matrix material formed from a combination of boron nitride and a polymer that defines an open pore foam structure, the open pore foam structure having cavities completely lined with boron nitride;wherein the polymeric matrix material having the open pore foam structure having cavities lined with boron nitride is a thermal conductor and an electrical insulator.2. The composite of claim 1 , wherein the boron nitride is hexagonal boron nitride.3. The composite of claim 1 , wherein the cavities of the open pore foam structure are completely lined with a continuous layer of boron nitride.4. The composite of claim 1 , wherein the polymeric matrix material is formed from monomers selected from the group consisting of styrene claim 1 , isoprene claim 1 , butyl methacrylate claim 1 , divinylbenzene claim 1 , methyl acrylate claim 1 , tetra(ethylene glycol) diacrylate claim 1 , and butyl acrylate.5. The composite of claim 1 , wherein the cavities of the polymeric ...

Ligand linker substrate

Ligand functionalized substrate including a solid substrate, which has been modified to provide grafted catching ligand groups covalently bound via a linker, methods of preparing the ligand functionalized substrate and the use thereof, such as to increase binding rate and the dynamic binding capacity (DBC). 1. A ligand-functionalized substrate comprising:{'sub': '2', '#text': 'a. a substrate having carboxylic (—COOH), hydroxy (—OH), thio (—SH), amino groups (—NH), C═C double bonds (-ene) or C—C triple bonds (-yne) at the surface thereof;'}b. covalently bound to said carboxylic (—COOH), hydroxy (—OH), thio (—SH), amino groups (—NH2), C═C double bonds (-ene) or C—C triple bonds (-yne) of said substrate a linker having a linker length of 10-25, such as 17-22 bonds, wherein bonds are C—C, C—N, C—N(H), C—C(O) and/or C—O; andc. a ligand-functional group bound to the surface of the substrate via said linker.2. The ligand-functionalized substrate according to claim 1 , wherein the substrate is a solid substrate.3. The ligand-functionalized substrate according to claim 1 , wherein the substrate is a solid substrate which can be grafted by radical initiated vinyl polymerization.4. The ligand-functionalized substrate according to claim 1 , wherein the substrate is selected from the group consisting of agarose claim 1 , such as in the form of a resin or beads claim 1 , kieselguhr claim 1 , silica gel claim 1 , cellulose claim 1 , cellulose ethers claim 1 , carboxymethyl cellulose claim 1 , degenerated cellulose claim 1 , agarose or paper based membranes claim 1 , nitrocellulose claim 1 , nitrocellulose mixed esters claim 1 , silicas claim 1 , and controlled pore glasses claim 1 , polyamides claim 1 , poly sulfone ether claim 1 , polyvinylalcohols claim 1 , polycarbonate claim 1 , polyurethane claim 1 , polyethersulfone claim 1 , polysulfone claim 1 , polyethylene terephthalate claim 1 , polyvinylidene fluoride claim 1 , polystyrene or polypropylene claim 1 , polyethylene and co ...

PROCESS FOR PRODUCING WATER-ABSORBING RESIN PARTICLES

The present invention provides a method for producing water-absorbent resin particles that has a low stirring load, and can produce water-absorbent resin particles having a particle diameter within a specific range, with high productivity. The method for producing water-absorbent resin particles comprises adding an ethylenically unsaturated monomer all at once to a hydrocarbon dispersion medium mixed with a surfactant to perform reversed phase suspension polymerization, wherein the reversed phase suspension polymerization is performed in one step, or two or more steps, the surfactant is at least one selected from the group consisting of polyoxyethylene alkyl ether phosphates, alkali metal salts of polyoxyethylene alkyl ether phosphates, and alkaline earth metal salts of polyoxyethylene alkyl ether phosphates, and the surfactant has an HLB of 9 to 15. 1. A method for producing water-absorbent resin particles comprising:adding an ethylenically unsaturated monomer all at once to a hydrocarbon dispersion medium mixed with a surfactant to perform reversed phase suspension polymerization, whereinthe reversed phase suspension polymerization is performed in one step, or two or more steps,the surfactant is at least one selected from the group consisting of polyoxyethylene alkyl ether phosphates, alkali metal salts of polyoxyethylene alkyl ether phosphates, and alkaline earth metal salts of polyoxyethylene alkyl ether phosphates, andthe surfactant has an HLB of 9 to 15.2. The method for producing water-absorbent resin particles according to claim 1 , wherein the surfactant is a polyoxyethylene alkyl ether phosphate sodium salt.3. The method for producing water-absorbent resin particles according to claim 1 , wherein the surfactant is used in an amount of 0.1 to 3.0 parts by mass per 100 parts by mass of the ethylenically unsaturated monomer.4. The method for producing water-absorbent resin particles according to claim 1 , wherein the ethylenically unsaturated monomer is at ...

LIGAND-CONTAINING CONJUGATED MICROPOROUS POLYMER AND USE THEREOF

The present invention relates to a ligand-containing conjugated microporous polymer, which is obtained by covalent coupling of a conjugated microporous polymer and a uranium complexing ligand. The conjugated microporous polymer comprises an aromatic ring and/or a heterocyclic ring. The uranium complexing ligand is selected from the group consisting of a compound with a group containing phosphorus, a compound with a group containing nitrogen, and a compound with a group containing sulfur. The invention further provides use of the ligand-containing conjugated microporous polymer as a uranium adsorbent. The ligand-containing conjugated microporous polymer the invention is capable of adsorbing the radioactive element uranium in strongly acidic and strong-radiation environments. 1. A ligand-containing conjugated microporous polymer , obtained by covalent coupling of a conjugated microporous polymer and a uranium complexing ligand , wherein the conjugated microporous polymer comprises an aromatic ring and/or a heterocyclic ring , and the uranium complexing ligand is selected from a compound with a group containing phosphorus , a compound with a group containing nitrogen , a compound with a group containing sulfur and any combination thereof.2. The ligand-containing conjugated microporous polymer as claimed in claim 1 , wherein the conjugated microporous polymer is obtained by copolymerization of a first monomer and a second monomer claim 1 , the first monomer and the second monomer being independently selected from the group consisting of benzene claim 1 , a benzene derivative claim 1 , fluorene claim 1 , a fluorene derivative claim 1 , porphyrin claim 1 , a porphyrin derivative claim 1 , pyridine claim 1 , a pyridine derivative claim 1 , thiophene and a thiophene derivative.3. The ligand-containing conjugated microporous polymer as claimed in claim 2 , wherein the group containing phosphorus is selected from a phosphonic acid group claim 2 , a phosphate ester group claim ...

Methods of Synthesizing and Recycling Metal-Organic Framework Systems

Provided herein are methods of novel methods of synthesizing a metal-organic framework system by vapor-phase appending of a plurality of ligands appended to a metal-organic framework. Also, provided are methods of recycling metal-organic framework systems by detaching the ligand and re-appending the same ligand or appending a different ligand to the metal-organic framework to provide a recycled or repurposed metal-organic framework system.

WATER ABSORBENT RESIN COMPOSITION, ABSORBENT, AND ABSORBENT ARTICLE

Provided is a water absorbent resin composition which is capable of suppressing unpleasant odors, while having excellent fluidity. A water absorbent resin composition according to the present invention contains a water absorbent resin and a hydroxamic acid or a salt thereof. 2. The water-absorbent resin composition according to claim 1 , wherein the hydroxamic acids represented by the general formula (1) are contained in the form of an alkali metal salt or an ammonium salt.3. The water-absorbent resin composition according to claim 1 , wherein the hydroxamic acids or salts thereof are at least one selected from the group consisting of acetohydroxamic acid claim 1 , salicylhydroxamic acid claim 1 , octanohydroxamic acid claim 1 , benzohydroxamic acid claim 1 , hydroxyurea claim 1 , 2-(4-butoxyphenyl) acetohydroxamic acid claim 1 , 1-naphthohydroxamic acid claim 1 , 3-pyridinecarbohydroxamic acid claim 1 , suberoylanilide hydroxamic acid claim 1 , 4-(dimethylamino)-N-[7-(hydroxyamino)-7-oxoheptyl]benzamide claim 1 , sodium acetohydroxamic acid claim 1 , sodium octanohydroxamic acid claim 1 , and sodium benzohydroxamic acid.4. The water-absorbent resin composition according to claim 1 , wherein the content of the hydroxamic acids or salts thereof is in a range of 0.01 to 5 parts by mass per 100 parts by mass of the water-absorbent resin.5. An absorbent material comprising the water-absorbent resin composition according to and a hydrophilic fiber.6. An absorbent article comprising the absorbent material according to held between a liquid-permeable sheet and a liquid-impermeable sheet. The present invention relates to a water-absorbent resin composition, an absorbent material, and an absorbent article; more particularly, the present invention relates to a water-absorbent resin composition that constitutes an absorbent material suitably used for hygienic materials such as disposable diapers, sanitary napkins, and incontinence pads, and to an absorbent article using the ...

Fuel filter with organoclay, cleaning cartridge with organoclay, and use

A fuel filter has a separating device separating, from a medium flow comprising a first medium and a second medium, the first medium as a separated first medium contaminated with the second medium. The fuel filter has a cleaning device receiving a proportion of the second medium contained in the separated first medium. The cleaning device is arranged upstream of a discharge opening for discharging the first medium from the fuel filter. The cleaning device is provided with an absorbent/adsorbent cleaning material. The cleaning material contains or is made of an organoclay as an active component. The organoclay is a bulk material, wherein at least 50 wt. % of the organoclay has an average particle diameter of greater than 50 Φm and smaller than 1,000 Φm.

Crystalline metallophosphates, their method of preparation, and use

A new family of crystalline microporous metallophosphates designated AlPO-77 has been synthesized. These metallophosphates are represented by the empirical formula H x M m 2+ EP x Si y O z where M is a framework metal alkaline earth or transition metal of valence +2, and E is a trivalent framework element such as aluminum or gallium. The AlPO-77 compositions are characterized by a new unique ABC-6 net structure, and have catalytic properties suitable for carrying out various hydrocarbon conversion processes, as well as characteristics suitable for adsorption applications.

CRYSTALLINE METALLOPHOSPHATES, THEIR METHOD OF PREPARATION, AND USE

A new family of crystalline microporous metallophosphates designated AlPO-85 has been synthesized. These metallophosphates are represented by the empirical formula 5. The method of wherein E is aluminum.6. The method of wherein a source of aluminum is selected from the group consisting of aluminum alkoxides claim 3 , precipitated aluminas claim 3 , aluminum metal claim 3 , aluminum hydroxide claim 3 , aluminum salts and alumina sols.7. The method of wherein a source of phosphorus is selected from the group consisting of orthophosphoric acid claim 3 , phosphorus pentoxide claim 3 , and ammonium dihydrogen phosphate.8. The method of wherein sources of silica are selected from the group consisting of tetraethylorthosilicate claim 3 , colloidal silica claim 3 , and precipitated silica.9. The method of wherein the sources of other E elements are selected from the group consisting of organoammonium borates claim 3 , boric acid claim 3 , precipitated gallium oxyhydroxide claim 3 , gallium sulfate claim 3 , ferric sulfate claim 3 , and ferric chloride.10. The method of wherein sources of the M metals are selected from the group consisting of halide salts claim 3 , nitrate salts claim 3 , acetate salts claim 3 , and sulfate salts of the respective alkaline earth and transition metals.11. The method of wherein R is an organoammonium cation prepared from a reaction of an aqueous mixture of a cyclic secondary amine and an organic dihalide.12. The method of wherein said cyclic secondary amines are selected from the group consisting of piperidine claim 11 , homopiperidine claim 11 , pyrrolidine claim 11 , and morpholine.13. The method of wherein the organic dihalides are selected from the group consisting of 1 claim 11 ,4-dibromobutane claim 11 , 1 claim 11 ,5-dibromopentane claim 11 , and 1 claim 11 ,6-dibromohexane.14. The method of wherein said reaction mixture is reacted at a temperature from about 125° C. to about 175° C.16. The process of wherein said separation of ...

METAL ORGANIC FRAMEWORKS FOR ELECTRONIC GAS STORAGE

A metal organic framework (MOF) includes a coordination product of a metal ion and an at least bidentate organic ligand, where the metal ion and the organic ligand are selected to provide a deliverable adsorption capacity of at least 70 g/l for an electronic gas. A porous organic polymer (POP) includes polymerization product from at least a plurality of organic monomers, where the organic monomers are selected to provide a deliverable adsorption capacity of at least 70 g/l for an electronic gas. 1. A metal organic framework (MOF) comprising the coordination product of a metal ion and an at least bidentate organic ligand , wherein the metal ion and the organic ligand are selected to provide a deliverable adsorption capacity of at least 190 g/L for an electronic gas.3. The method of claim 2 , wherein the deliverable adsorption is greater than or equal to 50% of the total adsorption capacity and a deliverable adsorption capacity of at least 190 g/L and at most 840 g/L.4. The method of claim 2 , wherein the adsorbent increases the density of the electronic gas measured at 25° C. and 650 torr and a deliverable adsorption capacity of at least 250 g/L and at most 840 g/L.5. The method of claim 4 , wherein the MOF has a fill density for arsine (AsH) measured at 25° C. and 650 torr that is greater than 0.33 g/g and less than 3.8 g/g.6. The method of claim 4 , wherein the MOF has a fill density for arsine (AsH) measured at 25° C. and 650 torr that is greater than 172 g/L and less than 850 g/L.7. The method of claim 4 , wherein the MOF has a fill density for boron trifluoride (BF) measured at 25° C. and 650 torr that is greater than 0.35 g/g and less than 3.5 g/g.8. The method of claim 4 , wherein the MOF has a fill density of boron trifluoride (BF) measured at 25° C. and 650 torr that is greater than 150 g/L and less than 600 g/L.9. The method of claim 4 , wherein the MOF has a fill density for phosphine (PH) measured at 25° C. and 650 torr that is greater than 0.17 g/g and ...