АДСОРБЕНТ ФОСФАТА НА ОСНОВЕ СУЛЬФАТА ЖЕЛЕЗА

Настоящее изобретение касается получения сорбентов и их применения. Предложен способ приготовления композиции для адсорбции фосфата, включающий следующие стадии: а) добавление основания к водному раствору, содержащему раствор соли сульфата и/или нитрата железа (III) для получения осадка гидроксида железа, b) необязательная промывка полученного осадка водой для получения водной суспензии гидроксида железа, с) добавление к полученной водной суспензии компонента, который ингибирует старение осадка гидроксида железа, полученного на стадии b), d) высушивание композиции, полученной на стадии с). Способ позволяет обеспечить получение адсорбента фосфата с пониженным содержанием хлора для производства препаратов для перорального или парентерального введения человеку или животным. 7 н. и 16 з.п. ф-лы.

УСТРОЙСТВО ДЛЯ РЕГУЛИРОВАНИЯ ОТНОСИТЕЛЬНОЙ ВЛАЖНОСТИ

Изобретение относится к устройству для регулирования относительной влажности в среде, которое содержит проницаемый для паров воды контейнер в форме саше, состоящий из микроперфорированного материала сложный полиэфир/бумага/полиэтилен, и отвержденный состав увлажнителя в контейнере. Отвержденный состав увлажнителя содержит соль-увлажнитель, воду и носитель. Предпочтительные соли-увлажнители включают CaCl2, К2СО3, LiCl2, NaCl, K2SO4 и их комбинации. Предпочтительные носители выбраны из группы, состоящей из целлюлозы, силикагеля, глины, углеводного или белкового гелеобразующего агента, гидроколлоидной камеди и гидрофильных полимеров. Технический результат - предотвращение утечки влаги и солевого раствора из упаковки. 6 з.п. ф-лы.

ВЫСОКОКОГЕЗИВНЫЙ КОМПОЗИТНЫЙ МАТЕРИАЛ, СПОСОБ ПОЛУЧЕНИЯ И ПРИМЕНЕНИЯ, В ОСОБЕННОСТИ В СИГАРЕТНЫХ ФИЛЬТРАХ

Изобретение относится к композитному материалу, который сформирован из полимера (P), являющегося ацетилцеллюлозой, и соединения (C), выбранного из осажденного диоксида кремния и смеси осажденного диоксида кремния и активированного угля, а также тем, что имеет: среднечисловой размер частиц по меньшей мере 150 мкм, объем пор (Vd1), сформированный порами диаметром 3,6-1000 нм, равный по меньшей мере 0,4 см/г, и показатель когезии CIN, равный отношению (среднечисловой размер частиц после воздействия давления воздуха 4 бар)/(среднечисловой размер частиц без воздействия давления воздуха (0 бар)), превышающий 0,40. Обеспечение фильтрации газа или жидкости. 4 н. и 25 з.п. ф-лы.

ПОКРЫТОЕ МОЛЕКУЛЯРНОЕ СИТО

Изобретение касается гидрофобно покрытого молекулярного сита, используемого в компонентах электронной аппаратуры и приборов. Сито включает частицы с размером 1000 нм или меньше, поверхность которых, покрыта силаном общей формулы: SiR1R2R3R4, где радикалы R1R2R3R4 имеют определенное строение. Способ получения покрытых частиц заключается в обработке цеолитов, алюмофосфатов или кремнеалюмофосфатов заявленными силанами. Предложены композиции и аппараты, содержащие полученные молекулярные сита. Изобретение позволяет получить молекулярные сита, эффективно улавливающие газовые молекулы и имеющие хорошую дисперсность в органических соединениях. 6 н. и 15 з.п. ф-лы, 10 ил., 6 пр.

АБСОРБИРУЮЩИЙ МАТЕРИАЛ И ПОДСТИЛКА ДЛЯ ЖИВОТНЫХ

Изобретение относится к ветеринарии. Описаны абсорбирующий материал, содержащий, по меньшей мере, одно соединение кальция, смешанное с растительными волокнами, и сухой остаток от перегонки выходящего маточного раствора, поступающего с предприятия по производству водной аммиачной соды и использованием водного раствора аммиака, применение указанного материала для абсорбции жидкости с грунта и подстилка для животных, содержащая такой абсорбирующий материал. Материал имеет хорошую абсорбцию жидких экскрементов животных, достаточную механическую прочность, слабую склонность прилипать к грунту во время использования. 3 н. и 6 з.п. ф-лы, 5 табл.

СОРБЕНТ БИОТОКСИНА И СПОСОБ ЕГО ПОЛУЧЕНИЯ

Изобретение относится к способу получения сорбента микотоксина. Способ включает получение оболочек дрожжевых клеток штамма Z2.2 Saccharomyces cerevisiae и получение из них манноолигосахарида, который затем однородно смешивают с глиной в соотношении 1-10 вес.% глины и 90-99 вес.% манноолигосахарида. Получение манноолигосахарида включает кипячение оболочек дрожжевых клеток, их энзимолиз, центрифугирование для получения гидролизата, его концентрирование и сушку. Осуществление изобретения позволяет получить сорбент микотоксина, обладающий хорошей смешиваемостью с кормами и высокой эффективностью поглощения токсинов и позволяющий использовать сорбент в более низкой концентрации. Сорбент может использоваться для кормления любых животных, включая домашний скот, домашних птиц, морских животных и жвачных животных. При смешивании с кормом, благодаря сильной адсорбционной способности в отношении микотоксина, абсорбент уменьшает количество токсинов, поступающих в тело животных, тем самым, улучшая продуктивность ...

СРЕДСТВО ДЛЯ РЕГУЛИРОВАНИЯ ВЛАЖНОСТИ

... 1. Средство для регулирования относительной влажности в среде, содержащее отвержденный состав увлажнителя, содержащий соль-увлажнитель, воду и носитель.2. Средство по п.1, где отвержденный состав увлажнителя дополнительно содержит связующее, которое отличается от указанного носителя.3. Средство по п.2, где средство имеет форму таблетки.4. Средство по п.3, где таблетка покрыта проницаемым для водяного пара покрытием.5. Средство по п.4, где покрытие выбрано из группы, состоящей из полиэтилена, политетрафторэтилена, поливинилпирролидона и простого эфира целлюлозы.6. Средство по п.1, где соль-увлажнитель выбрана из группы, состоящей из CaCl, KCO, NaCl, KSO, LiClи их комбинаций.7. Средство по п.1, где отвержденный состав увлажнителя дополнительно содержит антимикробный агент.8. Средство по п.1, где носитель выбран из группы, состоящей из целлюлозы, силикагеля, глины, углеводного или белкового гелеобразующего агента, гидроколлоидной камеди и гидрофильных полимеров.9. Средство по п.1, где отвержденный ...

СРЕДСТВО ДЛЯ РЕГУЛИРОВАНИЯ ВЛАЖНОСТИ

... 1. Средство для регулирования относительной влажности в среде, содержащее: ! отвержденный состав увлажнителя, содержащий ! соль-увлажнитель, ! воду и ! носитель. ! 2. Средство по п.1, где отвержденный состав увлажнителя дополнительно содержит связующее, которое отличается от указанного носителя. ! 3. Средство по п.2, где средство имеет форму таблетки. ! 4. Средство по п.3, где таблетка покрыта проницаемым для водяного пара покрытием. ! 5. Средство по п.4, где покрытие выбрано из группы, состоящей из полиэтилена, политетрафторэтилена, поливинилпирролидона и простого эфира целлюлозы. ! 6. Средство по п.1, где соль-увлажнитель выбрана из группы, состоящей из CaCl2, K2CO3, NaCl, K2SO4, LiCl2 и их комбинаций. ! 7. Средство по п.1, где отвержденный состав увлажнителя дополнительно содержит антимикробный агент. ! 8. Средство по п.1, где носитель выбран из группы, состоящей из целлюлозы, силикагеля, глины, углеводного или белкового гелеобразующего агента, гидроколлоидной камеди и гидрофильных полимеров ...

КОМПОЗИЦИЯ, СОДЕРЖАЩАЯ СВЕРХВПИТЫВАЮЩИЙ ПОЛИМЕР

Группа изобретений относится к строительству. Технический результат - снижение или исключение захвата воздуха композицией покрытия, снижение или исключение использования целлюлозных загустителей. Текстурная композиция для текстурирования подложки содержит несхватывающийся минерал; сверхвпитывающий полимер, который может поглощать по меньшей мере примерно в 50 раз больше собственной массы и имеет размер частиц примерно 250 микрон или менее; воду, при этом указанная текстурная композиция по существу не содержит вяжущего материала схватывающегося типа, причем композиция затвердевает при высушивании, и при этом указанная текстурная композиция имеет вязкость примерно от 150 примерно до 800 единиц Брабендера. 3 н. и 16 з.п. ф-лы, 6 табл., 2 пр.

СПОСОБ ПОЛУЧЕНИЯ СОРБЕНТА НА ОСНОВЕ СШИТОГО ПОЛИМЕРА-УГЛЕРОДА

... 1. Способ получения сорбента на основе полимера-углерода, включающий смешение и отверждение:а) углеродистого сорбента,b) отверждающегося аминсодержащего полимера,включающий контактирование аминсодержащего полимера, имеющего первичные аминогруппы, с аллилгалогенидом в присутствии катализатора с образованием отверждающегося аминсодержащего полимера, содержащего концевые аллил-группы, вторичные и третичные аминогруппы,с) серного агента Sв орторомбической, моноклинической или аморфной формеd) ускорителя отверждения ие) необязательно, активатора.2. Способ по п. 1, в котором аминсодержащий полимер имеет среднечисленную молекулярную массу от примерно 1000 до примерно 10000.3. Способ по п. 1, в котором ускорителем отверждения является цинковая соль диэтилдитиокарбамата.4. Способ по п. 1, в котором серный агент вводят в избытке от количества, требуемого для отверждения отверждающегося аминсодержащего полимера в присутствии углеродистого сорбента.

Einheit mit porösen organischen Polymeren II

Einheit, umfassend eine Mehrzahl von Partikeln auf Basis von porösen organischen Polymeren, wobei die organischen Polymere durch Kreuzkupplung, insbesondere Suzuki-Kupplung, von Arylboronsäuren mit Halogenaromaten erhältlich sind.

SAUGFÄHIGER WEGWERFARTIKEL

Adsorptionsvlies, insbesondere zur Adsorption von petrochemischen Substanzen aus flüssigen Phasen und/oder zur Adsorption von Geruchsstoffen aus Gasphasen mit zumindest einem Spinnvlies und Verfahren zur Herstellung eines Adsorptionsvlieses

Adsorptionsvlies, insbesondere zur Adsorption von petrochemischen Sub stanzen aus flüssigen Phasen und/oder zur Adsorption von Geruchsstoffen aus Gasphasen, mit zumindest einem Vlies. Auf zumindest einer Oberfläche des Vlieses ist ein Polymer aufgetragen, wobei das Polymer zumindest einen Adsorptionsstoff als Füllstoff enthält, welcher Adsorptionsstoff Mikroporen und/oder Mesoporen und/oder Makroporen aufweist.

PREPARATION OF SELECTIVE ADSORBING PARTICLES

... 1462088 Selective absorbing carbon particles TOYO JOZO CO Ltd 18 March 1974 [19 March 1973] 11996/74 Heading C1A Selective absorbing carbon particles are prepared by forming particles of a dispersion of activated charcoal in a hydrophilic solvent solution of a polymer capable of forming a semipermeable film in a coagulating medium and then adding the dispersion dropwise into a bath of the coagulating medium to form the particles. Hydrophilic solvents may be selected from N2,N- dimethylformamide, dimethylsulfoxide, N,N- dimethylacetamide, acetone, methyl ethyl ketone, methanol, ethanol or isopropanol; as the polymer, ethyl cellulose, cellulose acetate, cellulose acetate phthalate, nitrocellulose, hydroxypropylmethyl cellulose phthalate, polyvinyl chloride, polyvinyl formal, polyvinyl butyral, polystyrenes, polyesters and polyacrylonitriles can be used; coagulating mediums may be selected from water, aqueous salt solutions, surfactant solutions, hydrophilic protective colloid solutions ...

FILTER AND METHOD OF MAKING SAME

Absorbent material cell

An absorbent cell comprises pellets A made from dry wood fibres encapsulated in a biodegradable material B. The wood fibres may have been dried, and may contain 3-5% moisture. The pellets may have an absorbing ratio of 250-350 grams per pellet per one litre of fluid absorbed by the pellet. The wood pellets may absorb no fluid until the cell wall is perforated. The cell may be manufactured to allow for perforating when required, or may be manufactured pre-perforated. The cell may contain room C to allow the wood pellets to expand after absorption of liquid. The absorbent cell may be manufactured from hessian, flax or cotton.

Materials for hydrophilic interaction chromatography and processes for preparation and use thereof for analysis of glycoproteins and glycopeptides

A porous material comprising a copolymer comprising at least on hydrophilic monomer and at least a first and second poly-amide bonded phase, wherein the average pore size is greater than or equal to 200 Å or between 1 and 50Å. The porous material may comprise porous particles or a porous monolith comprising said copolymer. The hydrophilic polymer preferably comprises monomers having di or tri alkoxy silanes. The poly-amide bonded phase may comprise acrylamides, acrylates, acrylonitriles, and preferably poly(divinyl benzene-co-N-vinylcaprolactam). The material can have a median pore diameter of about 100 Å to about 1000 Å and a nitrogen content from about 0.5% to about 20%. Methods using said porous material for isolating, analysing and determining levels of a component from a mixture are disclosed, particularly via hydrophilic interaction liquid chromatography (HILIC). Methods are directed towards the separation of proteins and glycosylated proteins, due to improved pore diffusion arising ...

Process for preparing metal organic frameworks having improved water stability

Chemical compositions and methods

Porous inorganic/organic hybrid materials with ordered domains for chromatographic separations and processes for their preparation

Materials for hydrophilic interaction chromatography and processes for preparation and use thereof for analysis of glycoproteins and glycopeptides

METHOD FOR MANUFACTURING GRANULAR MATERIAL COMPRISING CALCIUM SULPHATE

Air filters

Air filter comprising an active element and a housing structure comprising an air inlet 12b and an air outlet 14b the active element comprising or consisting of a polymer foam 1 comprising metal particles 2 and an adsorbent material 3. A second aspect relates to a polymer foam 1 comprising metal particles 2 selected from one or any combination of copper, zinc, silver, potassium, selenium, titanium, gold, palladium, platinum which are present as metals, metal compounds, or metal alloys, or any combination thereof, the metal particles present in an amount from greater than about 30 wt% based on the total weight of the filled polymer foam 1 A third aspect relates to a polymer foam 1 comprising or consisting of polyimide comprising metal particles 2. A further aspect relates to a method of making a polymer foam 1 comprising forming a mixture by: i) dissolving a monomer, polymer precursor or polymer in a solvent to form a solution; ii) combining the solution from i) with water to form a blowing ...

A WATER PURIFICATION COMPOSITION

Mixed product

WATER-RESISTANT COMPOSITION

DRY-MODIFIED ACID-ACTIVATED BLEACHING EARTH, PROCESS FOR PRODUCTION THEREOF AND USE THEREOF

WATER-RESISTANT COMPOSITION

WATER-RESISTANT COMPOSITION

Mixed product

DRY-MODIFIED ACID-ACTIVATED BLEACHING EARTH, PROCESS FOR PRODUCTION THEREOF AND USE THEREOF

A WATER PURIFICATION COMPOSITION

Mixed product

A WATER PURIFICATION COMPOSITION

DRY-MODIFIED ACID-ACTIVATED BLEACHING EARTH, PROCESS FOR PRODUCTION THEREOF AND USE THEREOF

PROCEDURE FOR TREATING A KLEIDUNGSTÜCKES USING A FILTER WITH INTEGRATED FLUID DONOR

ÖLBINDEMITTEL

CALCIUMUND/ODER MAGNESIUMHYDROXID WITH HIGHER ACTIVITY AND ITS PREPARATION

VERFAHREN ZUM ABBAU VON IN ABWÄSSERN UND/ODER ABGASEN ENTHALTENEN TOXISCHEN ORGANISCHEN VERBINDUNGEN

Method for degrading toxic organic compounds contained in wastewater and/or waste gases, wherein the wastewater or waste gases (2) polluted with toxic organic compounds is/are first introduced into an aqueous basic alkaline or alkaline earth solution/slurry bath (3) to destabilize the toxic organic compounds, and then the solution/slurry bath (3) containing the destabilized toxic organic compounds is fed into a capillary mass (4) arranged thereabove, formed from a mixture of reprocessed wood materials and peat mixed with bentonite, zeolite and/or lime with a particle size <200 mum.

USE ADSORBENTS FROM POWDERED INDIA RUBBER FOR THE ADSORPTION OF ORGANIC COMPOUNDS

OXYGEN ABSORBENT.

PROCEDURE FOR THE PRODUCTION OF SORBENTS ON SMEKTITBASIS FOR THE ADMISSION OF LIQUIDS

MATERIAL FOR THE DETOXIKATION OF BODY STRANGERS, TOXIC OF WORKING SUBSTANCES IN THE BLOOD

SUPER+ABSORBENT POLYMERS AND PROCEDURES FOR YOUR PRODUCTION

Sorbent for a dialysis device and dialysis system

The invention relates to a sorbent for removing metabolic waste products from a dialysis liquid, the sorbent comprising a soluble source of sodium ions. The sorbent comprises an ion exchange system which converts urea to ammonium ions and which is configured to exchange ammonium ions for predominantly hydrogen ions and to exchange Ca, Mg, and K for predominantly sodium ions. The soluble source of sodium ions overcomes an initial drop in sodium concentration in regenerated dialysate. When used in conjunction with an infusion system configured to utilise exchange of Ca, Mg and K for sodium during dialysate regeneration a desired sodium ion concentration can be maintained.

An adsorbent

An adsorbent for perfluoroalkyl and polyfluoroalkyl substances, wherein the adsorbent comprises one or more proteins. The one or more proteins may be selected from plant proteins, albumins, globulins, edestin, glycinin and/or beta-conglycinin. Use of an adsorbent for treatment of a material contaminated with perfluoroalkyl and polyfluoroalkyl substances. There is also provided a process for the treatment of ground water contaminated with perfluoroalkyl and polyfluoroalkyl substances, wherein the contaminated ground water is pumped to the surface and directed to an adsorption step comprising the adsorbent.

Method of producing remover and remover

Absorbent articles comprising absorbent materials exhibiting deswell/reswell

The present invention relates to absorbent articles that include absorbent compositions which exhibit swelling, deswelling, and reswelling behavior. More specifically, absorbent compositions of this invention swell and absorb fluids after exposure to aqueous fluids, deswell and release fluids from the swollen absorbent compositions, and can also reswell and absorb fluids. The swelling-deswelling-reswelling behavior allows enhanced liquid distribution in absorbent composites and absorbent articles.

Temperature swing adsorption process for the separation of target species from a gas mixture

A temperature swing adsorption process for the removal of a target species, such as an acid gas, from a gas mixture, such as a natural gas stream. Herein, a novel multi-step temperature swing/pressure swing adsorption is utilized to operate while maintaining very high purity levels of contaminant removal from a produc t stream. The present process is particularly effective and beneficial in removing contaminants such as C0 ...

Gas purification process utilizing engineered small particle adsorbents

A gas separation process uses a structured particulate bed of adsorbent coated shapes/particles laid down in the bed in an ordered manner to simulate a monolith by providing longitudinally extensive gas passages by which the gas mixture to be separated can access the adsorbent material along the length of the particles. The particles can be laid down either directly in the bed or in locally structured packages/bundles which themselves are similarly oriented such that the bed particles behave similarly to a monolith but without at least some disadvantages. The adsorbent particles can be formed with a solid, non-porous core with the adsorbent formed as a thin, adherent coating on the exposed exterior surface. Particles may be formed as cylinders/hollow shapes to provide ready access to the adsorbent. The separation may be operated as a kinetic or equilibrium controlled process.

Pressure-temperature swing adsorption process

A pressure-temperature swing adsorption process for the removal of a target species, such as an acid gas, from a gas mixture, such as a natural gas stream. Herein, a novel multi-step temperature swing/pressure swing adsorption is utilized to operate while maintaining very high purity levels of contaminant removal from a product stream. The present process is particularly effective and beneficial in removing contaminants such as CO ...

Process for making and using a low beverage soluble iron content adsorbent and composition made thereby

A flow system of a dialysis device and a portable dialysis device

Method and composition for water purification and sludge dewatering

The invention relates to a method for purifying water and for dewatering sludge, comprising the following steps: bringing a surface-treated natural calcium carbonate, a natural bentonite and an anionic polymer into contact with the water or sludge, flakes being formed as a result of the agglomeration of particulate materials contained in said water or sludge, and separating said formed flakes so as to obtain purified water, or separating water in order to obtain dewatered sludge. The surface-treated natural calcium carbonate is a product of a reaction of natural calcium carbonate with an acid and carbon dioxide, which is formed ...

CARBON DIOXIDE SORBENT AND METHOD FOR PRODUCING CARBON DIOXIDE SORBENT

A carbon dioxide absorber characterized by comprising porous inorganic particles and a carbon-dioxide-absorbing material incorporated into pores of the porous inorganic particles, the carbon-dioxide-absorbing material having been enclosed in the pores with a resin.

Desiccant container

POLYSACCHARIDE-INORGANIC COMPOSITE PARTICLES AS PERFORMANCE ADDITIVES FOR SUPERABSORBENT POLYMERS

The present invention relates to discrete particulate composite additives for superabsorbent polymers and includes a method of making same. The discrete particulate composite additives generally comprise a polysaccharide and an inert inorganic component. Advantageously, these discrete particulate composite additives functionally improve superabsorbent performance. They are suitable for a number of applications, including the use and manufacture of hygiene products.

METHOD FOR PRODUCING AN IRON SULFATE-BASED PHOSPHATE ADSORBENT

LARGE CRYSTAL TUNABLE ADSORBENTS

The present invention relates to a surface modified zeolite adsorbent wherein the surface of said zeolite is modified with a coating comprised of a silicone derived species, said zeolite having a mean crystal size from about 5 to about 10 µm and a skeletal density of = 1.10 gr./cc. The invention is based on the discovery that larger crystals tend to have higher particle density, and the packing of the larger crystals in agglomeration processes leads to more idealized packing to provide a larger mean-pore diameter. The surface modified adsorbent provides rate selectivity for one gas over others is described. The superior adsorbent has the added convenience of bead forming simultaneously with pore modification as well as having the treatment result in the yielding of high crush strength products.

MATERIALS FOR THE SEPARATION OF ORGANIC SUBSTANCES FROM SOLUTION

COATED MOLECULAR SIEVE

The invention relates to a hydrophobically coated molecular sieve comprising particles that have a maximum particle size of 1000 nm. The surface of the particles is coated with a silane of general formula SiR1R2R3R4. Also disclosed are a method for producing said molecular sieve and a method for using the same. The invention further relates to the use of the coated molecular sieve, compositions containing said molecular sieve, and the use thereof for producing devices, e.g. electronic components and apparatuses.

METHODS FOR MITIGATING THE LEACHING OF HEAVY METALS FROM ACTIVATED CARBON

Compositions, methods, and systems for reducing leaching of heavy metals from sorbents having adsorbed heavy metals are described herein. Such compositions and methods may include reducing agents.

POROUS CARBON, HUMIDITY CONTROL ADSORBENT, ADSORPTION HEAT PUMP, AND FUEL CELL

The purpose of the present invention is to provide porous carbon which can adsorb water vapor satisfactorily under high humidity. Porous carbon characterized by having meso-pores and micro-pores and having a water vapor adsorption amount ratio, which is expressed by formula (1) shown below, of 1.8 or more. Particularly, it is preferred that the water vapor adsorption amount ratio, which is expressed by formula (1) shown below, is 2.0 or more. It is also preferred that the water vapor adsorption amount is 50 mg/g or more at a relative humidity of 70%. Water vapor adsorption amount ratio = [the amount of adsorbed water vapor at relative humidity of 90%]/[the amount of adsorbed water vapor at relative humidity of 70%] ··· (1) ...

SWING ADSORPTION PROCESSES UTILIZING CONTROLLED ADSORPTION FRONTS

A process for reducing the loss of valuable products by improving the overall recovery of a contaminant gas component in swing adsorption processes. The present invention utilizes at least two adsorption beds, in series, with separately controlled cycles to control the adsorption front and optionally to maximize the overall capacity of a swing adsorption process and to improve overall recovery a contaminant gas component from a feed gas mixture.

POLYMER BEAD CONTAINING IMMOBILIZED METAL EXTRACTANT

Toxic metal contaminants dissolved in dilute aqueous solutions such as waste waters are removed by contact with water insoluble polymeric beads having an internal pore structure containing immobilized extractant material capable of sorbing the metal contaminants. The beads are prepared by forming a solution of a polymeric material in an organic solvent, blending the extractant into the solution and injection the solution through a nozzle into water to form beads. The polymeric material is preferably polysulfone or cellulose acetate, and the extractant may be yeast, algae, penicillium mold, xanthan gum, guar gum, alginate, common duckweed (Lemna sp.) or a chemical compound. A metal of value can be separated from the extractant by using dilute mineral acids or other dilute solutions to solubilize the metal.

OXYGEN ABSORBENT

The present invention provides a new oxygen absorbent sealed in a pack with food to prevent the food from deteriorating. The oxygen absorbent contains ascorbic acid and/or salts thereof, an alkaline compound such as sodium carbonate, a reaction accelerator such as ferrous sulfate, and a silica gel, improving the flowability and the oxygen absorbability.

PRODUCTION OF COMMERCIALLY USEFUL MATERIALS FROM WASTE GYPSUM BOARDS

A commercially useful material is produced from waste gyproc boards containing calcium sulfate dihydrate, by a method comprising the steps of (a) grinding the waste gyproc boards to obtain particles having a substantially uniform size; (b) drying the particles obtained in step (a) to obtain moisture-free particles; (c) heating the moisture-free particles obtained in step (b) at a temperature of 128 to 162.degree.C to convert the calcium sulfate dihydrate to calcium sulfate hemihydrate; (d) adding water to the product obtained in step (c) to form a paste; (e) forming the paste obtained in step (d) into a shaped product of a predetermined size; and (f) drying the shaped product obtained in step (e) at a temperature of 105 to 120.degree.C to obtain a commercially useful material. The materials produced by the method of the invention can be used for a variety of industrial and household purposes. Typical uses include the absorption of oil, grease and chemicals on floors and elsewhere, in animal ...

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

ПЕРЕМЕШАННЫЙ ПРОДУКТ

В изобретении предлагается перемешанный продукт органических и неорганических порошковых материалов главным образом в однородной матрице. Органические и неорганические порошковые материалы в соответствии с настоящим изобретением образуют главным образом однородную матрицу, в которой в пересчете на сухой вес от 75 до 85 вес.%, а преимущественно около 82 вес.% основного материала главным образом не содержат металлических материалов, а остаток представляет собой добавочные материалы (добавки), причем от 80 до 90 вес.% в пересчете на сухой вес добавочных материалов содержат глину (содержащую бентонит), неолит и известь, а остаток представляет собой лигнин и/или производные лигнина, причем размер частиц материалов, образующих матрицу, лежит в диапазоне от 50 мкм до 3 мм.

СПОСОБ ПРИГОТОВЛЕНИЯ И ПРИМЕНЕНИЯ КОМПОЗИЦИИ АДСОРБЕНТА ФОСФАТА, АДСОРБЕНТ ФОСФАТА, КОМПОЗИЦИЯ АДСОРБЕНТА ФОСФАТА

Данное изобретение относится к способу приготовления новой композиции и к применению данной композиции как адсорбента фосфата, в частности для лечения людей или животных.

РАСПОРНЫЙ ПРОФИЛЬ ДЛЯ ИЗОЛЯЦИОННЫХ СТЕКЛОПАКЕТОВ

В изобретении описан распорный профиль для изоляционных стеклопакетов, который имеет близкое к прямоугольному поперечное сечение, а также имеет две параллельные друг другу противолежащие боковые стенки, которые в собранном изоляционном стеклопакете прилегают к его удерживаемым на расстоянии друг от друга стеклам, и расположенные между боковыми стенками первую и вторую поперечные стенки, первая из которых располагается рядом с краем или торцом стеклопакета, а вторая обращена к межстекольному пространству. С целью обеспечить простым путем сохранение такими распорными профилями на более высоком уровне способности содержащегося в них осушителя адсорбировать водяной пар при одновременно простом оперировании с ними при сборке из них распорных рамок согласно изобретению предлагается выполнять распорный профиль из связующего, образующего проницаемую для водяных паров матрицу и заделанного в нее зернистого адсорбента водяного пара.

DRY-MODIFIED ACID-ACTIVATED BLEACHING EARTH, PROCESS FOR PRODUCTION THEREOF AND USE THEREOF

GEL COMPOSITION COMPRISING CARBONACEOUS COMPOUND

ПОГЛИНАЮЧА ПОЛІМЕРНА КОМПОЗИЦІЯ, СПОСІБ ЇЇ ОДЕРЖАННЯ, ФІЛЬТР, ЩО ЇЇ МІСТИТЬ, ТА СПОСІБ ОБРОБКИ НАВКОЛИШНЬОГО СЕРЕДОВИЩА

Даний винахід стосується вдосконалених продуктів і способів очищення розливів нафти, хімічних продуктів або інших вуглеводнів і до очищення навколишнього середовища при виникненні подібних розливів. В одному аспекті даний винахід відноситься до поглинаючої полімерної композиції, яка є олеофільною і здатна поглинати інші хімічні продукти і вуглеводні і з землі, і з води, причому поглинаюча композиція містить співполімер поліетилену/вінілацетату, каталізатор, зшивальний агент, мастильну речовину, пороутворювач і наповнювач. У другому аспекті даний винахід стосується способу одержання поглинаючої композиції для добування і переробки нафти, хімічних продуктів і вуглеводнів з наземного і водного середовища.

METHOD BY HEATING ADSORPTION WITH THE USE OF ADJUSTABLE ADSORPTION FRONTS

CONTACTORS BY HEATING ADSORPTION AT VARIABLE TEMPERATURE FOR SEPARATION OF GASES

METHOD OF SELECTIVE REMOVING SULFUR

METHOD OF CLEANING GAS WITH THE USE OF SPECIALLY DEVELOPED ADSORBENTS WITH BY SMALL PARTICLES OF

Method for coating adsorbent material on honeycomb substrate

Compound microalgae bio-sorbent and method for adsorbing cadmium in waste water through compound microalgae bio-sorbent

Oxygen absorber

A graphene oxide coated metal organic framework material and its preparation method

Polynano tube modified carbon fiber adsorbent as well as preparation method and application thereof

MASS DESSICATIVE, PROCEEDED FOR ITS OBTAINING AND ITS USE

MATERIAU FILTRANT A MATRICE DE FIBRES DE CELLULOSE ET PARTICULES FINES MODIFIEES PAR UNE RESINE CATIONIQUE

FEUILLE FILTRANTE COMPOSEE DE PARTICULES FINES ET D'UNE MATRICE AUTO-LIANTE DE FIBRES DE CELLULOSE. LES SURFACES D'AU MOINS UN DES COMPOSANTS, PARTICULES OU FIBRES, SONT MODIFIEES PAR UNE RESINE CATIONIQUE POLYAMIDO-POLYAMINE EPICHLORHYDRINE. LA MATRICE COMPREND DES FIBRES DE CELLULOSE BATTUES AFIN D'OBTENIR UNE LIBERTE INFERIEURE A 600ML SUIVANT LA NORME CANADIENNE. L'INVENTION S'APPLIQUE PARTICULIEREMENT A LA FILTRATION DE LIQUIDES BIOLOGIQUES, DANS DES CONDITIONS STERILES.

BAG POLLUTION MANAGEMENT FOR TRAPPING VOLATILE ORGANIC COMPOUNDS SUCH AS FORMALDEHYDE

Sachet de dépollution (1) pour piéger des COV et notamment le formaldéhyde formé d'une pièce avant et d'une pièce arrière (la, lb) en une matière perméable à l'air, assemblées en formant un bord le long d'une partie du contour (21) pour réaliser un compartiment plat, en laissant une ouverture (13) au niveau du contour et recevant une charge de matière de dépollution à l'état de granulés dans le compartiment plat qui est ensuite fermé après remplissage avec la charge.

ABSORBING COMPOSITION SCENTING INTENDED FOR THE CLEANSING OF THE AIR

ABSORBENT PARTICLES COATED WITH AN OILY SUSPENSION MISCANTUS PSYLLIUM

GAS ABSORBING MATERIAL

A gas absorbing material which comprises a high temperature charcoal having been carbonized at a temperature of about 800 °C or higher, a low temperature charcoal having been carbonized at a temperature of about 500 °C or lower, and alginic acid or a salt thereof or calcium oxide. The combined use of the high temperature charcoal, the low temperature charcoal, and an alginic acid component or calcium oxide has allowed the marked improvement of performance capabilities of charcoal for absorption of a gas. The gas absorbing material can be used as a gas absorbing material having excellent gas absorptivity, especially, for use as an interior building material for absorbing a toxic gas present in a room. © KIPO & WIPO 2007 ...

Method of removing halogen gas and remover for halogen gas

A method of halogen gas removal and a halogen gas remover which have the excellent ability to remove a halogen gas in a low-concentration region, are effective in inhibiting the adsorbent from heating up, and can reduce the amount of a solid waste to be generated. The method of halogen gas removal comprises bringing a gas to be treated which contains at least one member selected from the halogen gas group consisting of F2, Cl2, Br2, I2, and compounds which generate a hydrogen halide or hypohalgoneous acid upon hydrolysis into contact with granules comprising, based on the whole granules, 45-99.85 mass% alkali metal salt, 0.1-40 mass% carbonaceous material, and 0-15 mass%, excluding 0 mass%, alkaline earth metal salt in the presence of water to remove the halogen gas(es).

PRODUCTO MIXTO DE MATERIAS ORGANICAS E INORGANICAS EN FORMA DE PARTICULAS QUE COMPRENDE QUE DICHAS MATERIAS FORMAN UNA MATRIZ HOMOGENEA QUE CONTIENE 75 A 85% PESO DE MATERIA DE PARTIDA, EL RESTO SON ADITIVOS CONSTITUIDOS DE 80 A 90% PESO POR ARCILLA,

ABSORBENT ARTICLES COMPRISING ABSORBENT MATERIALS EXHIBITING DESWELL/RESWELL

The present invention relates to absorbent articles that include absorbent compositions which exhibit swelling, deswelling, and reswelling behavior. More specifically, absorbent compositions of this invention swell and absorb fluids after exposure to aqueous fluids, deswell and release fluids from the swollen absorbent compositions, and can also reswell and absorb fluids. The swelling-deswelling-reswelling behavior allows enhanced liquid distribution in absorbent composites and absorbent articles.

GAS PURIFICATION PROCESS UTILIZING ENGINEERED SMALL PARTICLE ADSORBENTS

A gas separation process uses a structured particulate bed of adsorbent coated shapes/particles laid down in the bed in an ordered manner to simulate a monolith by providing longitudinally extensive gas passages by which the gas mixture to be separated can access the adsorbent material along the length of the particles. The particles can be laid down either directly in the bed or in locally structured packages/bundles which themselves are similarly oriented such that the bed particles behave similarly to a monolith but without at least some disadvantages. The adsorbent particles can be formed with a solid, non-porous core with the adsorbent formed as a thin, adherent coating on the exposed exterior surface. Particles may be formed as cylinders/hollow shapes to provide ready access to the adsorbent. The separation may be operated as a kinetic or equilibrium controlled process.

ENHANCED CLARIFICATION MEDIA

Media and devices, such as depth filters including such media, wherein the media is impregnated with a polymer such as a polyallylamine. The resulting device offers strong binding of protein impurities and superior removal of host cell proteins from biological samples.

METHOD AND DEVICE FOR INCORPORATING A COMPOUND IN THE PORES OF A POROUS MATERIAL AND USES THEREOF

The invention concerns a method and device for incorporating a compound in the pores of a porous material selected among microporous and mesoporous materials obtained by sol-gel process, as well as the uses of said method and said device. The method comprises vaporization or sublimation of the compound in a chamber containing the porous material. The invention is useful for doping microporous or mesoporous materials obtained by sol-gel process and, in particular, materials mesoporous relative to structuring surfactants, for making chemical sensors and multisensors, molecular sieves, selective filtering membranes, stationary phases for chromatography, optical or optoelectronic materials.

ORGANIC TEMPLATED NANOMETAL OXYHYDROXIDE

Disclosed are granular composites comprising a biopolymer and one or more nanometal- oxyhydroxide/hydroxide/oxide particles, along with methods for the preparation and use thereof.

MESOSTRUCTURED TRANSITION ALUMINAS

Mesoporous crystalline alumina compositions and process for the preparation thereof are described. The compositions are useful as catalysts and absorbents.

REMOVAL OF CONTAMINANTS FROM A LIPOPHILIC FLUID

The present invention relates to processes for removing contaminants from lipophilic fluids, adsorbent materials employed in such processes, and lipophilic fluids produced by such processes.

DESICCANT DEVICE

Disclosed is a desiccant device or desiccant bag designed to protect packing against humidity, for example during the transport of goods by container, or for the dehumidification of homes, vehicles and any environment that requires the humidity present to be reduced. The desiccant device is constituted by a bag made of material which is permeable to steam but impermeable to liquids, and a mixture consisting of one or more deliquescent or hygroscopic desiccant materials and one or more substances with the function of thickening the liquid obtained from liquefaction of the diliquescent desiccant salt. The desiccant mixtures according to the invention improve the stability of the steam adsorption process compared with the use of a pure hygroscopic salt with no thickener. These mixtures must allow the manufacture of bags and desiccant devices which can be safely handled. The desiccant device according to the invention may also contain chemicals which indicate the depletion of its desiccating ...

Particulate water absorbent and process for production thereof

A particulate water absorbing agent of the present invention is a water absorbing agent containing a water absorbing resin as a main component, the particulate water absorbing agent containing a polyvalent metal cation and satisfying: (1) the polyvalent metal cation is contained in an amount between 0.001 wt % and 5 wt % relative to the amount of the water absorbing agent; (2) an absorbency without pressure (CRC) is not less than 28 (g/g) and an absorbency against pressure (AAP 4.83 kPa) is not less than 10 (g/g); (3) the absorbency against pressure and the absorbency without pressure satisfy 77≦AAP (4.83 kPa)+1.8×CRC≦100; and (4) a moisture content of the water absorbing agent is between 5 wt % and 20 wt %. This provides a water absorbing agent which has blocking resistance after moisture absorption, is excellent in stability to shock and suppresses Re-Wet when used in a diaper.

Swing Adsorption Processes Utilizing Controlled Adsorption Fronts

A process for reducing the loss of valuable products by improving the overall recovery of a contaminant gas component in swing adsorption processes. The present invention utilizes at least two adsorption beds, in series, with separately controlled cycles to control the adsorption front and optionally to maximize the overall capacity of a swing adsorption process and to improve overall recovery a contaminant gas component from a feed gas mixture.

Pressure-Temperature Swing Adsorption Process for the Separation of Heavy Hydrocarbons from Natural Gas Streams

The present invention relates to a pressure-temperature swing adsorption process wherein gaseous components that have been adsorbed can be recovered from the adsorbent bed at elevated pressures. In particular, the present invention relates to a pressure-temperature swing adsorption process for the separation of C 2+ hydrocarbons (hydrocarbons with at least 2 carbon atoms) from natural gas streams to obtain a high purity methane product stream. In more preferred embodiments of the present processes, the processes may be used to obtain multiple, high purity hydrocarbon product streams from natural gas stream feeds resulting in a chromatographic-like fractionation with recovery of high purity individual gaseous component streams.

Gas Purification Process Utilizing Engineered Small Particle Adsorbents

A gas separation process uses a structured particulate bed of adsorbent coated shapes/particles laid down in the bed in an ordered manner to simulate a monolith by providing longitudinally extensive gas passages by which the gas mixture to be separated can access the adsorbent material along the length of the particles. The particles can be laid down either directly in the bed or in locally structured packages/bundles which themselves are similarly oriented such that the bed particles behave similarly to a monolith but without at least some disadvantages. The adsorbent particles can be formed with a solid, non-porous core with the adsorbent formed as a thin, adherent coating on the exposed exterior surface. Particles may be formed as cylinders/hollow shapes to provide ready access to the adsorbent. The separation may be operated as a kinetic or equilibrium controlled process.

Sorbent formulation for removal of mercury from flue gas

Methods and systems for reducing mercury emissions from fluid streams having a high concentration of sulfur oxide species are provided herein. In embodiments, mercury is removed from flue gas streams by injecting a dry admixture of a porous mercury adsorptive material and at least one dry agent into the flue gas stream.

Sorbent compositions and methods of using same

Provided herein are compositions and methods for removing a variety of pollutants from wastewater. Such compositions are obtained by immobilizing barium-based hybrid materials, such as BaSO 4 :APRB. Such compositions are easy to separate from the treated wastewater. After separation, the compositions, which include the pollutants, may be conveniently further separated from the pollutants and thus recovered for use again.

Method for removing contaminants from a fluid stream

A method for removing at least one contaminant from a fluid stream includes filtering the fluid stream with a filtration medium. The filtration medium includes an impregnate. The impregnate includes an organic amine and an inorganic metal salt. The inorganic metal salt includes magnesium oxide, calcium oxide or combinations thereof. The medium has from about 0.1 to about 25% by weight of impregnate. The impregnate contains from about 0.1 to about 5% by weight organic amine, and the organic amine includes aqueous urea, solid urea, melamine or mixtures thereof. The impregnate contains from about 0.1 to about 5% by weight metal salt. The impregnate optionally further includes a surfactant such as polyacrylic acid. In some embodiments, the method includes removing at least two contaminants from the fluid stream.

Crosslinked Polymer-Carbon Sorbent for Removal of Heavy Metals, Toxic Materials and Carbon Dioxide

A polymer-carbon sorbent for removing carbon dioxide, heavy metals and toxic materials from a flue gas from a combustion process, such as coal-fired power plants, is described. The sorbent comprises a carbonaceous sorbent material and a cured amine-containing polymer, and sulfur. The polymer-carbon sorbents are formed by curing a curable amine-containing polymer in the presence of the carbonaceous sorbent material, sulfur, a cure accelerator and, optionally, a cure activator. A convenient carbonaceous sorbent material is an activated carbon, and a convenient curable amine-containing polymer is an allyl-containing poly(ethyleneimine), having a number average molecular weight between about 1,000 and about 10,000. The polymer-carbon sorbents may contain sulfur in excess of an amount needed to cure the curable amine-containing polymer. Such polymer-carbon sorbents are shown to capture more mercury, in both elemental an ionic forms, compared to activated carbon and adsorb carbon dioxide.

High water activity carbon containing oxygen absorber

The invention provides an oxygen absorbing article comprising carbon, iron, refined wood pulp, and water. In another embodiment the invention provides an oxygen absorbing article comprising a base sheet, a cover sheet secured to said base sheet to define a closed space there between, a first layer of oxygen absorbing materials in integral layer form in said closed space, wherein the oxygen absorbing materials comprises carbon, iron, refined wood pulp, and water.

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.

Radioactive-substance-absorbent, radioactive-substance-absorbent production device, decontaminating method, and bag unit

By fibrillated cellulose fibrillated in fiber form and humidified as a water permeable polymeric substance of botanical origin and a radioactive-substance-absorbent obtained by mixing with zeolite as a granulated inorganic porous crystal, radioactive substances released and spilled in a accident etc. in a nuclear facility etc. may be efficiently and easily collected and removed at a low cost.

Superabsorbent Comprising Pyrogenic Aluminum Oxide

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

Organic templated nanometal oxyhydroxide

Disclosed are granular composites comprising a biopolymer and one or more nanometal-oxyhydroxide/hydroxide/oxide particles, along with methods for the preparation and use thereof.

Titanium dioxide-based hybrid ion-exchange media

A titanium dioxide-based hybrid ion-exchange media including anatase titanium dioxide nanoparticles supported by an ion-exchange resin for removing strong acid ions and oxo-anions from water. The titanium dioxide-based hybrid ion-exchange media is prepared in situ by combining ion-exchange media with a TiO 2+ precursor solution to form a mixture and heating the mixture to yield the hybrid ion-exchange media.

Lubricant system and method of forming the same

A lubricant system is disclosed that is formed by contacting a fibrous network with oil and/or lubricating fluid having an affinity for the fibrous network. The fibrous network comprises oleophilic fibers having a diameter between 50 nm and 10 microns and a length that is at least times the diameter. In addition, the oleophilic fibers have an affinity for the oil and/or lubricating fluid.

Apparatus for use in a system containing a lubricating fluid and method of forming the same

An apparatus is disclosed for use in a system containing at least one of an oil and a lubricating fluid. The apparatus comprises a surface in need of lubrication during operation of the apparatus, and oleophilic fibers disposed on the surface. The oleophilic fibers have a diameter between 50 nm and 10 microns and a length that is at least 5 times the diameter. In addition, the oleophilic fibers have an affinity for at least one of the oil and the lubricating fluid.

Hydrophilic composition for use with a lubricating system as well as an apparatus and method for using the same

A hydrophilic composition for use with a lubricating system comprises hydrophilic fibers having a diameter between 50 nm and 10 microns and a length that is at least 5 times the diameter. The hydrophilic fibers having a strong affinity for at least one of water and other hydrophilic fluids and may remove or eliminate free or dissolved water in a lubricating system comprising at least one of an oil and a lubricating fluid.

Gas phase air filtration

An adsorbent medium for removing gaseous contaminants from air comprises a porous self-supporting filter element produced by sintering particles of polyethylene having a molecular weight greater than 400,000 g/mol as determined by ASTM-D 4020 and an adsorbent. In one embodiment, the filter element comprises a body perforated by a plurality of holes extending in the direction of fluid flow in use and having a diameter of less than 10 mm. In another embodiment, the filter element comprises a panel wherein at least the surface of the panel presented, in use, to the incoming air comprises a plurality of projections. In a further embodiment, the filter element comprises a fibrous web having particles of the adsorbent secured to the web by the sintered polyethylene.

Composite material

A porous formed composite material comprising: (i) a polymer, or a mixture thereof, said polymer having immobilised therein (ii) an insoluble sorbent material selected from the group consisting of: (a) a cross-linked vinyl lactam homopolymer or copolymer, said vinyl lactam homopolymer or copolymer being optionally mixed with silica gel; and (b) polyvinyl lactam-modified silica gel; is described. Solid phase extraction apparatus incorporating the material and its use in removing polyphenols and/or proteins from beverages to prevent the formation of haze in beverages are also described.

Method for enhancing volumetric capacity in gas storage and release systems

The present disclosure provides for a porous gas sorbent monolith with superior gravimetric working capacity and volumetric capacity, a gas storage system including a porous gas sorbent monolith of the present disclosure, methods of making the same, and method for storing a gas. The porous gas sorbent monolith includes a gas adsorbing material and a non-aqueous binder.

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.

Oxygen-absorbing resin composition

The oxygen-absorbing resin composition of the present invention at least contains a polyester compound containing a constitutional unit (a) having a predetermined tetralin ring and a constitutional unit (b) derived from a predetermined polyfunctional (trivalent or more) compound, and a transition metal catalyst.

METHOD FOR TREATING DRUG INTOXICATION

Methods and devices are disclosed for the treatment of a subject suffering from drug intoxication by cleansing a contaminated sample from the subject with adsorption media. The adsorption media composition is selected for its antithrombogenic properties and for its ability to adhere to one or more drug targets to be reduced or eliminated. The media can further be held in a cartridge for use in extracorporeal treatments such as those of hemoperfusion. Contacting the contaminated sample from the subject with the absorption medium allows for the separation of a portion of the drug target from the sample, producing a cleansed sample that can be infused into the subject. 1. A method for treating drug intoxication or removing a toxin in a subject in need thereof , said method comprising:contacting a sample from a subject suffering from drug intoxication or other intoxication with an adsorption media comprising a combination of activated carbon and a substrate having at least one polysaccharide adsorbent to form a cleansed sample; andinfusing the cleansed sample into the subject.2. The method of claim 1 , wherein the adsorption media and the drug form an adhering complex.3. The method of claim 2 , further comprising separating the resulting sample from the adhering complex to produce a cleansed sample with a reduced amount of drug.4. The method of claim 1 , wherein the drug is a member selected from the group consisting of analgesics claim 1 , sedatives claim 1 , hypnotics claim 1 , antipsychotics claim 1 , antidepressants cardiovascular drugs claim 1 , antihistamines claim 1 , topical preparations claim 1 , cold and cough preparations claim 1 , stimulants claim 1 , street drugs claim 1 , recreational drugs claim 1 , antibiotics claim 1 , antimicrobials claim 1 , hormones claim 1 , hormone antagonists claim 1 , anticonvulsants claim 1 , gastrointestinal preparations claim 1 , dietary supplements claim 1 , and herbals.5. The method of claim 4 , wherein the drug is an ...

MATRICES CONTAINING LITHIUM ALUMINATES

Provided is a particulate composition comprising a collection of resin beads and LiX.2Al(OH).nHO, wherein n is 0 to 10, wherein X is a halogen, 1. A particulate composition comprising a collection of resin beads and LiX.2Al(OH).nHO ,wherein n is 0 to 10, wherein X is a halogen,wherein the resin beads contain polymer having 0.5 to 3 equivalents of amine pendant groups per liter of the particulate composition,wherein the resin beads have average pore diameter of 5 to 100 nm,wherein the collection of resin beads has harmonic mean particle diameter of 200-1000 micrometers;{'sup': '2', 'wherein the collection of resin beads has surface area of 20 to 150 m/g;'}and wherein aluminum is present in an amount of 14.5% percent or higher, by weight of aluminum atoms based on the total weight of the particulate composition.2. The particulate composition of claim 1 , wherein X is chlorine.3. The particulate composition of claim 1 , wherein the aluminum is present in an amount of 15% percent or higher claim 1 , by weight of aluminum atoms based on the total weight of the particulate composition.4. A method of making a particulate composition comprising depositing LiX.2Al(OH).nHO claim 1 ,wherein n is 0 to 10, wherein X is a halogen, in the pores of a preliminary particulate composition, wherein the preliminary particulate composition comprises a collection of preliminary resin beads,wherein the preliminary resin beads contain polymer having 0.5 to 3 equivalents of amine pendant groups per liter of the preliminary particulate composition,wherein the preliminary resin beads have average pore diameter of 5 to 25 nm,wherein the collection of preliminary resin beads has harmonic mean particle diameter of 200-1000 micrometers;{'sup': '2', 'wherein the collection of preliminary resin beads has surface area of 20 to 150 m/g.'}5. A method of removing lithium from a brine claim 1 ,wherein the brine comprises dissolved lithium cations in an amount of 50 ppm or more of lithium based on the ...

Scalable preparation of oxygen carriers for chemical looping

Oxygen carriers for chemical looping and scalable methods of preparation thereof. Wet impregnation of active metal precursors into porous substrates, together with selective adsorption of the precursors on the pore surfaces, enables transition metal oxides derived from the precursors to disperse throughout the substrate, even at the nanoscale, without increased sintering or agglomeration. The porous substrate can be an oxide, for example SiO 2 . The oxygen carriers can comprise relatively large oxide loadings of over about 20 wt % and exhibit high reactivity over many regeneration cycles with substantially no loss in oxygen transport capacity or decrease in kinetics. The use of multiple transition metals, for example NiO in addition to CuO, can greatly enhance chemical looping performance.

Oxygen absorber

An oxygen absorber is provided that contains at least one of compounds each having a particular structure, and the oxygen absorber exhibits an oxygen absorbing capability without a metal contained, and is suitable for removing oxygen inside a packaging material packaging foods or the like.

Solid Phase Microextraction Membranes Impregnated with Gold Nanoparticles: Creation of Novel SERS-Enhancing Substrates

This invention discloses an approach is improve the strength and reproducibility of the signal generated in FTAs using solid-phase microextraction (SPME) through the design of an approach to generate the plasmonically-enhanced signal for SERS, surface-enhanced infrared (SEIRA), and other enhanced spectroscopies. The design incorporates: (1) a particle-particle coupling strategy that is triggered by the selective capture of an analyte to a particle that has been immobilized on a membrane and has been modified to act as a capture substrate; (2) the selective tagging of the captured analyte by a nanoparticle also designed to generate an amplified plasmonic signal upon tagging; and (3) the incorporation of an internal nanoparticle standard to account for fluctuations in flow rates and flow paths. Collectively, these developments improve the accuracy and precision of the analysis as well as the SPME analysis accurately, improving the ease-of-use for a number of different SPME-based measurements, including, for example, those focused on disease markers using immunoassays and a range of other assay formats. 1. A method for measuring the concentration of an analyte in a liquid sample , the method comprising the steps of:adding an internal standard to the liquid sample at a predetermined concentration;providing a solid-phase microextraction (SPME) device, the SPME device comprising plasmonic particles immobilized on a capture substrate, a first type of molecular recognition element (MRE) coated on the plasmonic particles for capturing the analyte, and a second type of molecular recognition element (MRE) coated on the plasmonic particles for capturing the internal standard;capturing the analyte and the internal standard with the SPME device;measuring signals of the captured analyte and the captured internal standard; andcomparing the signal of the captured analyte to the signal of the captured internal standard to predict the concentration of the analyte.2. The method of ...

Polymer composition comprising a base polymer, an inorganic desiccant material, and an additive

A polymer composition including a thermoplastic base polymer, and an inorganic desiccant material, preferably selected from the group consisting of molecular sieves, zeolites, silica gel, clay, hydrate salts, metal oxides and mixtures thereof, and an additive. Also disclosed are methods of producing the polymer composition as well as an article of manufacture of the polymer composition.

Process for making a super absorbent composition

A method for making a super absorbent composition where feedstock is broken into clumps, the clumps are transported to a compression section, where the clumps are heated using compression and friction. Next, the compressed clumps are cooled and then broken into a super absorbent material.

CHROMATOGRAPHIC COMPOSITIONS

Provided herein are stationary phase compositions comprising a chromatographic surface of porous or non-porous core material comprising a surface modifier for use in chromatographic separations. 5. The stationary phase composition of claim 4 , wherein Ris trimethylsilyl.11. The stationary phase composition of claim 10 , wherein Ris trimethylsilyl.12. The stationary phase composition of claim 1 , wherein each b is 0 to 3.13. The stationary phase composition of claim 1 , wherein each b is 0.14. The stationary phase composition of claim 1 , wherein each a is 0 to 3.15. The stationary phase composition of claim 1 , wherein each a is 0.16. The stationary phase composition of claim 1 , wherein each x is 0 to 4.17. The stationary phase composition of claim 1 , wherein each x is 0.18. The stationary phase composition of claim 1 , wherein each y is 0 to 4.19. The stationary phase composition of claim 1 , wherein each y is 0.20. The stationary phase composition of claim 1 , wherein each Rand Rare independently aryl or (C-C)alkyl optionally substituted with cyano. This application is a continuation of U.S. application Ser. No. 15/921,811 entitled “Chromatographic Compositions” filed Mar. 15, 2018, which claims benefit of and priority to U.S. Provisional Application Nos. 62/472,342 entitled “Chromatographic Compositions” filed Mar. 16, 2017, and 62/543,654 entitled “Chromatographic Compositions” filed Aug. 10, 2017, the contents of each of which are incorporated herein by reference in their entirety.The technology relates generally to chromatographic compositions. The invention relates more particularly, in various embodiments, to stationary phase compositions comprising a chromatographic surface of porous or non-porous core material comprising a surface modifier for use in chromatographic separations.Liquid chromatography (LC) combined with mass spectrometry (MS) is one of the most powerful analytical tools for the characterization of proteins. Indeed, for the analysis of ...

Evaporative loss control device

The present disclosure is directed to a gas phase adsorption device comprising a large annulus and a small annulus block wherein the small annulus block is concentrically positioned inside the large annulus block. The present disclosure is also directed to a method for the storage of gas.

Super-adsorbing porous thermo-responsive desiccants

The present disclosure relates to thermo-responsive hydrogel composite (TRHC) desiccants having high adsorption capacities, fast adsorption/desorption rates, and low regeneration temperatures (Treg) compared to traditional desiccants. In some embodiments of the present disclosure, TRHC desiccants may be synthesized by freeze drying. In some embodiments of the present disclosure, the porous structures resulting from freeze drying copolymers of thermo-responsive polymers and/or hygroscopic agents may be combined with hygroscopic inorganic salts, resulting in TRHC desiccants having superior performance properties.

WATER-RESISTANT COMPOSITION

The present invention provides a water-resistant composition for adsorbing volatile organic compounds (VOCs) derived from organic matter including: a) palladium doped hydrogen-ZSM-5, wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 200:1; and b) at least one water-soluble binder. The invention also provides a method for using the water-resistant composition for adsorbing volatile organic compounds (VOCs) derived from organic matter. 1. A water-resistant composition for adsorbing volatile organic compounds (VOCs) derived from organic matter comprising:a) palladium doped hydrogen-ZSM-5, wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 200:1; andb) at least one water-soluble binder.2. A water-resistant composition according to claim 1 , wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 100:1.3. A water-resistant composition according to claim 1 , wherein the water-soluble binder is selected from the group consisting of at least one polyvinyl alcohol claim 1 , gum claim 1 , cellulose claim 1 , cellulose derivative and polyethylene oxide.4. A water-resistant composition according to claim 1 , further comprising one or more binder modifiers claim 1 , driers claim 1 , plasticizers claim 1 , fillers claim 1 , surfactants claim 1 , pigments or preservatives.5. A method for adsorbing volatile organic compounds (VOCs) derived from organic matter claim 1 , comprising applying a water-resistant compound to the volatile organic compounds claim 1 , wherein the water-resistant composition comprises:a) palladium doped hydrogen-ZSM-5, wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 200:1; andb) at least one water-soluble binder.6. The method according to claim 5 , wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 100:1.7. The method according to claim 5 , wherein the water-soluble binder is selected from the group consisting of at least one polyvinyl alcohol claim 5 , gum ...

MOULDABLE DESICCANT COMPOSITION

A reaction product of a mixture of components suitable for molding into shaped desiccant particles, wherein the mixture includes: 1. Reaction product of a mixture of components suitable for molding into shaped desiccant particles , wherein the mixture comprises:a. a porous siliceous material,b. hygroscopic salt,c. polyvinyl alcohol (PVA) with a degree of hydrolysis between 82 and 95 mol % and a viscosity between 12 and 40 mPa·s, as determined on an aqueous solution of 4% PVA at 20° C. according to DIN53015,d. water,e. optionally, an OH-containing polymer, different from PVA,wherein the weight ratio between hygroscopic salt and the porous siliceous material is chosen between 0.1:1 and 0.9:1 andwherein the weight ratio between hygroscopic salt and PVA is chosen between 1:1 and 5:1.2. The reaction product according to claim 1 , wherein the hygroscopic salt component comprises >70 wt. % CaCl claim 1 , having a purity above 50 wt. %.3. The reaction product according to claim 1 , wherein the OH-containing polymer claim 1 , different from PVA claim 1 , is chosen from the group of hydroxyethyl cellulose claim 1 , starch claim 1 , and polyacrylic acid.4. The reaction product according to claim 1 , wherein the weight ratio in the mixture of components between PVA and the OH-containing polymer claim 1 , different from PVA claim 1 , is between 1:1 and 9:1.5. The reaction product according to claim 1 , wherein the mixture of components comprises:a. 10-30 wt. % hygroscopic salt,b. 1-20 wt. % PVA,c. 30-50 wt. % porous siliceous material, andd. 20-59 wt. % water,relative to the total weight of the mixture of components.6. The reaction product according to claim 1 , wherein the mixture of components comprises OH-containing polymer and the mixture of components comprises:a. 10-30 wt. % hygroscopic salt,b. 1-20 wt. % PVA,c. 30-50 wt. % porous siliceous material,d. 20-58.99 wt. % water ande. 0.01-30 wt. % OH-containing polymer, different from PVA, relative to the total weight of the ...

Porous polymer compound, method of separating compound to be separated, single crystals, method of producing sample for crystal structure analysis, method of determining molecular structure of compound to be analyzed, and method of determining absolute configuration of chiral compound

The porous polymer compound has a three dimensional skeleton and pores and/or voids that are partitioned and formed by the three dimensional skeleton. The three dimensional skeleton comprises multiple sugar derivatives represented by formula (1) and multiple cations that interact with the hydroxyl groups and/or ether bonds of the sugar derivatives, and the three-dimensional skeleton is formed by each of the cations interacting with two or more sugar derivatives. Also provided are a method of separating a compound to be separated using the porous polymer compound; a single crystal of the porous polymer compound; a method of preparing a sample for crystal structure analysis using the single crystal; a method of determining a molecular structure of a compound to be analyzed using the sample for crystal structure analysis; and a method of determining an absolute configuration of a chiral compound using the sample for crystal structure analysis.

WATER-ABSORBING RESIN PARTICLES, WATER-ABSORBING ARTICLE, METHOD FOR PRODUCING WATER-ABSORBING RESIN PARTICLES, AND METHOD FOR INCREASING ABSORBED AMOUNT OF ABSORBER UNDER PRESSURE

Disclosed are water-absorbing resin particles in which an expansion retention rate calculated by the formula: expansion retention rate (%)=(V/V)×100 is 98% or more. Vis the volume of the swollen gel formed when 1.000±0.001 g of the water-absorbing resin particles absorb 20.0±0.1 g of pure water. Vis the volume of the swollen gel formed when 1.000±0.001 g of the water-absorbing resin particles absorb 20.0±0.1 g of physiological saline. 1. Water-absorbing resin particles ,{'sub': 1', '0, 'wherein an expansion retention rate calculated by the formula: expansion retention rate (%)=(V/V)×100, is 98% or more,'}{'sub': '0', 'Vis a volume of a swollen gel formed when 1.000±0.001 g of the water-absorbing resin particles absorb 20.0±0.1 g of pure water, and'}{'sub': '1', 'Vis a volume of a swollen gel formed when 1.000±0.001 g of the water-absorbing resin particles absorb 20.0±0.1 g of physiological saline.'}2. The water-absorbing resin particles according to claim 1 , wherein the expansion retention rate is 110% or less.3. The water-absorbing resin particles according to claim 1 , wherein Vis 20 to 25 mL.4. The water-absorbing resin particles according to claim 1 , wherein a value of non-pressurization DW after 10 minutes is 40 mL/g or more.5. An absorbent article comprising:a liquid impermeable sheet;an absorber; anda liquid permeable sheet,wherein the liquid impermeable sheet, the absorber, and the liquid permeable sheet are disposed in this order, and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the absorber comprises the water-absorbing resin particles according to .'}6. A method for producing water-absorbing resin particles claim 1 , the method comprising:{'sub': 1', '0, 'selecting water-absorbing resin particles in which an expansion retention rate calculated by the formula: expansion retention rate (%)=(V/V)×100 is 98% or more, wherein'}{'sub': '0', 'Vis a volume of a swollen gel formed when 1.000±0.001 g of the water-absorbing resin particles absorb 20.0±0.1 g ...

ULTRAFINE BUBBLE CLEANING METHOD USING ULTRAFINE BUBBLE-CONTAINING LIQUID, APPARATUS THEREFOR, AND DISSOLVED AIR FLOATATION APPARATUS

An ultrafine bubble cleaning apparatus uses a liquid containing ultrafine bubbles having a size of less than 30 nm to rinse fine particles adhered to soil, sand, etc. to separate and collect the fine particles. The ultrafine bubble cleaning apparatus includes a water tank-shaped reservoir, a stirring device, a supernatant discharge device including a pump for discharging a supernatant of the liquid in the reservoir, and a sedimentation extraction device. Substances are loaded into the ultrafine bubble-containing liquid stored in the reservoir, and the ultrafine bubble-containing liquid is repeatedly brought into contact with the surface of the substance using the stirring device. When ultrafine bubbles get into a space between fine metal particles adhered to the surfaces, cracks, and pits of the substances to be cleaned (including metal ions) and fine particles of organic substances including a solvent, a chemical, and oil, the fine particles are separated and floated. 1. An ultrafine bubble cleaning method for cleaning a substance to be cleaned , comprising: swirling a liquid in a storage type pressurized liquid tank in a full state all the time , the liquid is containing ultrafine bubbles having a size of 3 Å or more and less than 10 Å and bubbles larger than the ultrafine bubbles to concentrate a part thereof that contains the ultrafine bubbles and has a relatively large specific gravity outside a swirling flow , and concentrate a part thereof that contains bubbles larger than the ultrafine bubbles and has a relatively small specific gravity to a central part of the swirling flow followed by discharge from the storage type pressurized liquid tank , storing the ultrafine bubble-containing liquid containing the ultrafine bubbles concentrated outside in a reservoir , stirring the ultrafine bubble-containing liquid in a state in which the substance to be cleaned , is contained , washing off fine particles adhered to the substance to be cleaned while causing the fine ...

SIZE EXCLUSION CHROMATOGRAPHY UTILIZING LOW CONCENTRATION AMINO ACIDS IN SIZE EXCLUSION CHROMATOGRAPHY MOBILE PHASE

The present disclosure is directed to methods for performing size exclusion chromatography. Embodiments of the present disclosure feature methods for improving separations of proteinaceous analytes in size exclusion chromatography, for example, by using low concentrations of amino acids or derivatives thereof in the mobile phase. 1. A method for performing size exclusion chromatography on a sample containing at least one analyte , the method comprising:{'sup': '2', 'a. contacting said sample with a column chromatography device comprising a column having an interior for accepting a stationary phase, and an immobilized stationary phase within said interior of the column, wherein the immobilized stationary phase comprises porous particles having a surface and a diameter with a mean size distribution of between about 1 and about 20 μm; an average pore size from about 40 to about 3000 Å; and wherein said porous particles are surface modified with a hydroxy-terminated polyethylene glycol at a surface concentration from about 0.5 to about 5.0 μmoles/m;'}b. flowing a mobile phase through the immobilized stationary phase for a period of time, the mobile phase comprising water; a buffer; and an amino acid or derivative thereof, wherein the amino acid or derivative thereof is present in the mobile phase at a concentration from about 5 to about 40 mM; andc. eluting the at least one analyte from the immobilized stationary phase in the mobile phase.2. The method of claim 1 , wherein eluting comprises separating the sample into one or more analytes on the basis of decreasing hydrodynamic radius of said one or more analytes.3. The method of claim 1 , wherein the amino acid or derivative thereof is present in the mobile phase at a concentration from about 5 to about 20 mM.4. (canceled)5. The method of claim 1 , wherein the amino acid is selected from the group consisting of L-arginine claim 1 , L-ornithine claim 1 , and L-lysine.6. The method of claim 1 , wherein the amino acid ...

FABRICATION OF HYDROXYAPATITE BASED HYBRID SORBENT MEDIA FOR REMOVAL OF FLUORIDE AND OTHER CONTAMINANTS

Fabricating a hybrid sorbent media includes contacting a porous material with a first aqueous solution including phosphate ions to yield a first mixture, contacting the first mixture with a second aqueous solution comprising calcium ions to yield a second mixture, and adjusting a pH of the second mixture to form hydroxyapatite inside the porous media to yield the hybrid sorbent media. 1. A method of fabricating hybrid sorbent media , the method comprising:contacting porous media defining pores with a first aqueous solution comprising phosphate ions to yield a first mixture;contacting the first mixture with a second aqueous solution comprising calcium ions to yield a second mixture; andadjusting a pH of the second mixture to initiate formation of hydroxyapatite on pore surfaces of the pores of the porous media to yield the hybrid sorbent media,wherein contacting the porous media with the first aqueous solution, contacting the first mixture with the second aqueous solution, and adjusting the pH of the second mixture occur at room temperature.2. The method of claim 1 , further comprising removing some of the first aqueous solution from the first mixture before contacting the first mixture with the second aqueous solution.3. The method of claim 1 , further comprising aging the hybrid sorbent media to allow growth of hydroxyapatite nanoparticles inside the pores of the porous media.4. The method of claim 3 , wherein aging comprises aging at room temperature for at least 24 hours.5. The method of claim 1 , wherein the first aqueous solution comprises diammonium hydrogen phosphate claim 1 , ammonium dihydrogen phosphate claim 1 , di-sodium hydrogen phosphate claim 1 , triethyl phosphate claim 1 , phosphorus pentoxide claim 1 , phosphoric acid claim 1 , phosphonoacetic acid claim 1 , or a combination thereof.6. The method of claim 1 , wherein a volume ratio of the first aqueous solution to the porous media is about 2:1.7. The method of claim 1 , wherein the first aqueous ...

High-capacity dispensable getter

High-capacity dispensable moisture and hydrogen getter to be used as sealant and/or to control the level of these substances in electronic or optoelectronic sensitive devices, its use for the hermetic sealing or semi-hermetic sealing of such electronic or optoelectronic sensitive devices and a method to control the level of contaminants within them.

WATER ABSORBENT AGENT AND METHOD FOR PRODUCING WATER ABSORBENT AGENT

The present invention provides an easy method for producing a water absorbent agent that has a low moisture content and that has a small dust generation amount without decreasing various physical properties. A present inventive method for producing a water absorbent agent of the present invention includes mixing not lower than 0.06 parts by mass and not higher than 5 parts by mass of an inorganic acid alkali metal salt powder with 100 parts by mass of a water-absorbent resin in an indefinite ground form. 1. A method for producing a water absorbent agent comprising:mixing an inorganic acid alkali metal salt powder with a water-absorbent resin, whereina mixing amount of the inorganic acid alkali metal salt powder is not lower than 0.06 parts by mass and not higher than 5 parts by mass relative to 100 parts by mass of the water-absorbent resin in an indefinite ground form.2. The method for producing the water absorbent agent according to claim 1 , whereinmoisture content of the water-absorbent resin is not higher than 10% by mass.3. The method for producing the water absorbent agent according to claim 1 , wherein{'sup': '2', 'specific surface area of the water-absorbent resin is not lower than 25 m/kg and proportion of particles of the water-absorbent resin that pass through sieve having mesh opening size of 150 μm to entire water-absorbent resin is not higher than 3% by mass.'}4. The method for producing the water absorbent agent according to claim 1 , whereinthe water-absorbent resin is a polyacrylic acid (salt)-based water-absorbent resin obtained by performing foaming polymerization on a monomer aqueous solution containing an acrylic acid (salt) as a main component.5. The method for producing the water absorbent agent according to claim 1 , whereinthe water-absorbent resin is a polyacrylic acid (salt)-based water-absorbent resin obtained through a step of performing gel grinding, at a gel grinding energy 2 not lower than 7 J/g and not higher than 40 J/g, on a ...

PRE-FILTER FOR REMOVAL OF CESIUM AND METHOD OF MANUFACTURING SAME

The present invention relates to a pre-filter for removal of cesium and a method of manufacturing the same. The pre-filter for removal of cesium includes ultra-high-molecular-weight polyethylene and a cesium adsorbent, and is manufactured in which the ultra-high-molecular-weight polyethylene and the cesium adsorbent are mixed, heated, and molded or the ultra-high-molecular-weight polyethylene and the cesium adsorbent are mixed, molded, and heated. The pre-filter manufactured thereby removes cesium excellently and has excellent impact resistance, abrasion resistance, slipperiness, and chemical resistance. 1. A pre-filter for removal of cesium , the filter comprising: ultra-high-molecular-weight polyethylene and cesium adsorbent.2. The filter of claim 1 , comprising:100 parts of weight of the ultra-high-molecular-weight polyethylene and 1 to 100 parts by weight of the cesium adsorbent.3. The filter of claim 1 , wherein the cesium adsorbent is composed of Prussian blue.4. A method of manufacturing a pre-filter for removal of cesium claim 1 , the method comprising:preparing a mixture in which 100 parts of weight of ultra-high-molecular-weight polyethylene and 1 to 100 parts by weight of cesium adsorbent are mixed;heating the mixture prepared at the preparing to a temperature ranging from 100° C. to 300° C.; and{'sup': 2', '2, 'compress-molding the mixture heat-treated at the heating to a pressure ranging from 2 kgf/cmto 6 kgf/cm.'}5. A method of manufacturing a pre-filter for removal of cesium claim 1 , the method comprising:preparing a mixture in which 100 parts of weight of ultra-high-molecular-weight polyethylene and 1 to 100 parts by weight of cesium adsorbent are mixed;{'sup': 2', '2, 'compress-molding the mixture prepared at the preparing to a pressure ranging from 2 kgf/cmto 6 kgf/cm; and'}heating the mixture molded at the compress-molding to a temperature ranging from 100° C. to 300° C.6. The filter of claim 2 , wherein the cesium adsorbent is composed of ...

FUNCTIONALIZED SUPPORT FOR ANALYTICAL SAMPLE PREPARATION

Aspects of the present disclosure include a solid phase sorbent for preparation of analytical samples. The solid phase sorbent includes particles that are surface modified with an α-cyclodextrin moiety. Also provided is a method of reducing matrix effects in an analytical sample. In some embodiments, the method includes contacting a sample comprising a matrix-interfering agent and an analyte with α-cyclodextrin modified particles to produce a contacted sample wherein the matrix-interfering agent binds to the α-cyclodextrin modified particles; separating the α-cyclodextrin modified particles from the contacted sample to produce a matrix-reduced composition; and detecting the analyte in the matrix-reduced composition. Systems for practicing the subject methods are provided that include the subject solid phase sorbent. 1. A solid phase sorbent for preparation of analytical samples , comprising particles that are surface modified with an α-cyclodextrin moiety.2. The solid phase sorbent of claim 1 , wherein the α-cyclodextrin moiety is linked to the surface of the silica particles via a carbamate claim 1 , a thiocarbamate claim 1 , an ester claim 1 , an amide claim 1 , a thioamide claim 1 , a urea claim 1 , a thiourea claim 1 , an amino claim 1 , a keto claim 1 , or an ether linking group.4. The solid phase sorbent of claim 1 , wherein the α-cyclodextrin moiety comprises 6-hydroxyl-linked claim 1 , 3-hydroxyl linked and/or 2-hydroxyl linked α-cyclodextrin.5. The solid phase sorbent of claim 1 , wherein the α-cyclodextrin moiety is a modified α-cyclodextrin.7. The solid phase sorbent of claim 6 , wherein:the particles are silica particles;{'sup': 1', '2, 'sub': '2', 'Zand Zare independently selected from —N(R′)C(═O)—, —N(R′)C(═O)O—, —N(R′)C(═S)—, —N(R′)C(═S)O—, —N(R′)C(═O)N(R′)—, —N(R′)C(═S)N(R′)—, —CO—, —CO—, — NR′—, and —O— wherein each R′ is independently H, a lower alkyl or a substituted lower alkyl;'}{'sub': 1', '1', '20', '1', '20', '1', '20', '1', '20', '1', '20', ...

MATERIALS INCLUDING ALKYL DIAMINE-SUBSTITUTED ARYL COMPOUNDS, METHODS OF MAKING, AND METHODS OF SEPARATING CO2

The present disclosure provides for materials comprising porous structures supporting (e.g., disposed therein and/or thereon) alkyl diamine-substituted aryl compounds, methods of making the materials and components thereof, methods of use thereof, and the like. In an aspect, the materials can be used to separate COand/or adsorb COin one or more COcapture or separation applications. In one aspect, the sorbent material can be used to separate and capture COin gas mixtures (e.g., ambient air, flue gas, exhaust, and mixtures of these) in a wide range of concentrations. As a result, embodiments of the present disclosure are advantageous in that they can be used in different types of COconcentration environments. 1. A material comprising:a porous structure comprising an alkyl diamine-substituted aryl compound supported by the porous structure.2. The material of claim 1 , wherein the organic loading of the alkyl diamine-substituted aryl compound on the porous structure is about 10% to 80% based on thermogravimetric analysis.3. The material of claim 1 , wherein the alkyl diamine-substituted aryl compound is physically impregnated in the porous structure.4. The material of claim 1 , wherein the alkyl diamine-substituted aryl compound is covalently bonded to the porous structure.5. The material of claim 1 , wherein the alkyl of the alkyl diamine-substituted aryl compound is an ethyl group claim 1 , propyl group or butyl group.6. The material of claim 1 , wherein the alkyl diamine-substituted aryl compound includes 3 to 6 alkyl diamine moieties.7. The material of claim 1 , wherein the alkyl diamine-substituted aryl compound includes 3 alkyl diamine moieties.8. The material of claim 7 , wherein the 3 alkyl diamine moieties are in the 1 claim 7 , 3 claim 7 , and 5 positions on the alkyl diamine-substituted aryl compound.9. The material of claim 8 , wherein the 2 position claim 8 , 4 position claim 8 , 6 position claim 8 , or any combination thereof of the aryl group each ...

HYDROCARBON-IN-WATER PURIFICATION SYSTEM

A hydrocarbon-in-water purification system includes a high capacity hydrocarbon absorber stage having a high capacity hydrocarbon absorber material and an inlet configured to receive a hydrocarbon-in-water dispersion from a fuel system. A polishing hydrocarbon absorber stage is in liquid communication and downstream of the high capacity hydrocarbon absorber stage including polishing activated carbon. The high capacity hydrocarbon absorber material has a greater saturation capacity than the polishing activated carbon and the polishing activated carbon has a greater polishing capacity than the high capacity hydrocarbon absorber material. A method for controlling and managing the evacuation of water from the hydrocarbon-in-water purification system includes tracking the purification state of water volumes and the bed loading states of purification beds defined in the water filter. 1. A method comprising:determining whether a purification state of a dischargeable water volume in a final purification bed in a water filter is clean or not clean, wherein the water filter contains one or more water volumes and a plurality of purification beds arranged from a first purification bed to the final purification bed such that the first purification bed receives new water introduced into the water filter from a water collection reservoir and the final purification bed discharges water from the water filter, wherein the one or more water volumes reside in the plurality of purification beds;introducing a new water volume into the first purification bed in response to determining that the purification state of the dischargeable water volume is clean, wherein introducing the new water volume moves each of the one or more water volumes in the water filter such that the dischargeable water volume leaves the final purification bed and a next dischargeable water volume of the one or more water volumes enters the final purification bed;tracking a purification state associated with the next ...

Method for enhancing volumetric capacity in gas storage and release systems

The present disclosure provides for a porous gas sorbent monolith with superior gravimetric working capacity and volumetric capacity, a gas storage system including a porous gas sorbent monolith of the present disclosure, methods of making the same, and method for storing a gas. The porous gas sorbent monolith includes a gas adsorbing material and a non-aqueous binder.

Lithium-adsorptive molded object and manufacturing method therefor

There is provided a lithium adsorption molded body including a lithium adsorbent; and a copolymer including a repeating unit represented by the following Chemical Formula 1 and a repeating unit represented by the following Chemical Formula 2. (In the Chemical Formulas 1 and 2, R1 and R2 are each independently hydrogen or a C1 to C10 alkyl group.)

Modified cotton fabric for solid-phase extraction and fabrication method

A method for solid-phase extraction is disclosed. The method includes fabricating a solid-phase extraction medium by incorporating a plurality of modified mesoporous silica particles within pores of a cotton fabric matrix, putting the solid-phase extraction medium in contact with a fluid containing metal ions including one of immersing the solid-phase extraction medium in the fluid containing metal ions or passing the fluid containing metal ions through the solid-phase extraction medium by continuously circulating the fluid through the solid-phase extraction medium, and extracting the metal ions from the fluid by adsorbing the metal ions onto the solid-phase extraction medium responsive to a contact between the solid-phase extraction medium and the fluid containing metal ions.

SEPARATING COLUMN FOR HIPPURIC ACID ANALYSIS, LIQUID CHROMATOGRAPH FOR HIPPURIC ACID ANALYSIS, AND METHOD FOR ANALYZING HIPPURIC ACID

A separating column () for hippuric acid analysis is filled with a filler in which 123 μmol/g or more of β-cyclodextrin is chemically bonded to a silica matrix. By using such a filler for the separating column () in which 123 μmol/g or more of β-cyclodextrin is chemically bonded to the silica matrix, hippuric acid, o-methyl hippuric acid, m-methyl hippuric acid, p-methyl hippuric acid, and mandelic acid can be separated without using a mobile phase containing cyclodextrin. 1. A separating column for separating hippuric acid and mandelic acid filled with a filler in which 123 μmol/g or more of β-cyclodextrin is chemically bonded to a silica matrix.2. The separating column according to claim 1 , wherein 272 μmol/g or less of the β-cyclodextrin is chemically bonded to the silica matrix.3. A liquid chromatograph for separating hippuric acid and mandelic acid claim 1 , whereinthe liquid chromatograph comprising:a separating column filled with a filler in which 123 μmol/g or more of β-cyclodextrin is chemically bonded to a silica matrix;a mobile phase liquid delivery unit for delivering a mobile phase to the separating column;a sample injector for injecting a sample into the mobile phase flowing from the mobile phase liquid delivery unit toward the separating column; anda detector connected to a downstream side of the separating column to detect a component in an eluate from the separating column.4. The liquid chromatograph according to claim 3 , wherein 272 μmol/g or less of the β-cyclodextrin is chemically bonded to the silica matrix of the separating column.5. The liquid chromatograph according to claim 3 , wherein the mobile phase contains phosphoric acid water or formic acid water and acetonitrile.6. The liquid chromatograph according to claim 5 , wherein the detector includes a mass spectrometer.7. A method for analyzing hippuric acid and mandelic acid claim 5 , comprising the step of subjecting a sample containing m methyl hippuric acid and mandelic acid to ...

Carbon Dioxide Sorbent and Method for Producing Carbon Dioxide Sorbent

A carbon dioxide sorbent characterized in that carbon dioxide sorbing material incorporated in pores of the porous inorganic particles is sealed in the pores with a resin. 1. A carbon dioxide sorbent , comprising a carbon dioxide sorbing material incorporated in pores of porous inorganic particles which is sealed in the pores with a resin.2. The carbon dioxide sorbent of claim 1 , wherein the carbon dioxide sorbing material is an ionic liquid.3. The carbon dioxide sorbent of claim 2 , wherein the ionic liquid is tetraethylphosphonium benzimidazolide or tetraethylammonium benzimidazolide.4. The carbon dioxide sorbent of claim 1 , wherein the resin is a cured product obtained by curing a vinyl monomer solution of a curable resin.5. The carbon dioxide sorbent of claim 4 , wherein the vinyl monomer solution is at least one selected from the group consisting of an unsaturated polyester resin claim 4 , an epoxy acrylate resin claim 4 , and a urethane acrylate resin.6. The carbon dioxide sorbent of claim 5 , wherein the vinyl monomer solution is an unsaturated polyester resin.7. The carbon dioxide sorbent of claim 4 , wherein the ratio of the volume of the resin to the oil sorptive capacity of the porous inorganic particle is 0.3 or more.8. The carbon dioxide sorbent of claim 4 , wherein the ratio of the total volume of the carbon dioxide sorbing material and the resin to the oil sorptive capacity of the porous inorganic particle is 0.7 or less.9. The carbon dioxide sorbent of claim 4 , wherein the ratio of the total volume of the carbon dioxide sorbing material and the resin to the oil sorptive capacity of the porous inorganic particles exceeds 0.5.10. The carbon dioxide sorbent of claim 4 , wherein the ratio of the total mass of the carbon dioxide sorbing material and the resin to the mass of the porous inorganic particle is 1.5 or more.11. The carbon dioxide sorbent of claim 4 , wherein the ratio of the mass of the carbon dioxide sorbing material to the mass of the ...

OXYGEN ABSORBER COMPOSITION, OXYGEN-ABSORBING MULTILAYER BODY, OXYGEN-ABSORBING PACKET, AND METHOD FOR STORING ARTICLE

The present invention provides an oxygen absorber composition containing a hydrocarbon resin; an iron particle having an average particle diameter of 1.0 μm or more and 200 μm or less and having a BET specific surface area of 10 m/g or more; and an aldehyde absorber capable of absorbing at least aldehyde compound, wherein the iron particle contains iron. 1. An oxygen absorber composition comprising:a hydrocarbon resin;an iron particle having an average particle diameter of 1.0 μm or more and 200 μm or less and having a BET specific surface area of 10 m2/g or more; andan aldehyde absorber capable of absorbing at least aldehyde compound.2. The oxygen absorber composition according to claim 1 , wherein the aldehyde absorber comprises a basic compound.3. The oxygen absorber composition according to claim 1 , wherein the aldehyde absorber comprises magnesium oxide or calcium oxide.4. The oxygen absorber composition according to claim 1 , wherein the aldehyde absorber comprises at least one derivative selected from the group consisting of a hydrazine derivative claim 1 , a urea derivative claim 1 , and a guanidine derivative.5. The oxygen absorber composition according to claim 4 , wherein the hydrazine derivative is at least one selected from the group consisting of an aminoguanidine derivative and a hydrazine salt.6. The oxygen absorber composition according to claim 4 , wherein the aldehyde absorber comprises a carrier that supports the derivative.7. The oxygen absorber composition according to claim 1 , wherein the hydrocarbon resin is at least one resin selected from the group consisting of polyolefin resin claim 1 , polyester resin claim 1 , polyamide resin claim 1 , polyvinyl alcohol resin claim 1 , ethylene-vinyl alcohol copolymer resin claim 1 , and chlorine-containing resin.8. The oxygen absorber composition according to claim 1 , wherein the iron particle is a porous-shaped iron particle.9. The oxygen absorber composition according to claim 1 , whereinthe iron ...

Polymer compositions containing zeolite for enhanced water adsorption

This invention relates generally to zeolites and polymer compositions with zeolites having enhanced adsorption capacity for adsorption of water, ammonia and other similar compounds. The invention is directed particularly to aluminosilicate zeolites, and methods for preparing zeolite entrained polymer compositions having enhanced water adsorption properties. This invention relates also to improved packaging materials with enhanced water adsorption properties incorporating the polymer compositions containing zeolites.

STORING MOLECULE WITHIN POROUS MATERIALS WITH A SURFACE MOLECULAR BARRIER LAYER

In some aspects, the present disclosure provides compositions comprising a nanoporous material such as a metal organic framework and an amine containing compound. In some aspects, these compositions may be used to improve the affinity of a guest molecule to the nanoporous material relative a nanoporous material which had not been treated with the amine containing compound. 1. A composition comprising:(A) nanoporous material;(B) an amine-containing compound; and(C) a guest molecule;wherein the guest molecule is contained within the pores of the nanoporous material and the amine-containing compound is deposited at the openings of the pores of the nanoporous material.2. The composition of claim 1 , wherein the amine-containing compound is an alkylamineor substituted alkylamine.3. The composition of claim 2 , wherein the amine-containing compound is a terminal amine.4. (canceled)5. The composition of claim 3 , wherein the amine-containing compound is ethylenediamine.6. The composition of claim 1 , wherein the amine-containing compound is ammonia.7. The composition of claim 1 , wherein the amine-containing compound is deposited such that the amine group of the amine-containing compound is bound to the metal atom of the nanoporous material.8. The composition of claim 1 , wherein the nanoporous material is a metal organic framework.9. The composition of claim 8 , wherein metal organic framework comprises a pore diameter of less than 25 Å.1011.-. (canceled)1329.-. (canceled)30. The composition of claim 1 , wherein the guest molecule is CO claim 1 , CO claim 1 , SO claim 1 , NO claim 1 , CHor CH.31. A method of preparing a composition of comprising reacting a nanoporous material with a gaseous mixture of an amine-containing compound.32. The method of claim 31 , wherein the nanoporous material is a metal organic framework.33. The method of claim 31 , wherein the method comprises adding the amine-containing compound at a pressure from about 1 torr to about 50 torr.3435.-. ( ...

ADSORBENT, HEAVY METAL REMOVING AGENT, MOLDED BODY USING SAME, AND WATER PURIFIER

An embodiment of the present invention relates to an adsorbent which contains a fine particle compound containing an aluminosilicate compound and activated carbon particles, wherein the fine particle compound containing an aluminosilicate compound has a specific surface area of 300 m/g or more and an average particle size of 10 to 200 μm and includes particles having a particle size of 10 μm or less in volume particle size distribution at 10 volume % or less, and the activated carbon particles have a mode diameter of 0.06 to 0.6 mm. 1: An adsorbent comprising:a fine particle compound (A) comprising an aluminosilicate compound; andactivated carbon particles;wherein:{'sup': '2', 'the fine particle compound (A) has a specific surface area of 300 m/g or more and an average particle size D50 of 3 to 200 μm;'}the fine particle compound (A) comprises particles having a particle size of 10 μm or less in a volume particle size distribution at 10 volume % or less; andthe activated carbon particles have a mode diameter of 0.06 to 0.6 mm.2: The adsorbent according to claim 1 , wherein a ratio of silicon to aluminum as oxides (SiO/AlO) in the aluminosilicate compound is 3 or less.3: The adsorbent according to claim 1 , wherein the fine particle compound (A) is resent in the adsorbent in an amount of 1 to 50 mass %.4: An adsorbent comprising:a fine particle compound (B) comprising an aluminosilicate compound;a plastic powder; andactivated carbon;wherein:the fine particle compound (B) and the plastic powder form composite aggregate particles; andthe composite aggregate particles comprise particles having a particle size of 40 μm or less in a volume particle size distribution at 15 volume % or less.5: The adsorbent according to claim 4 , wherein:{'sup': '2', 'the fine particle compound (B) has a specific surface area of 300 m/g or more and an average particle size D50 of 3 to 200 μm; and'}the fine particle compound (B) comprises particles having a particle size of 10 μm or less in ...

Mixed-metal, mixed-organic framework systems for selective co2 capture

Provided herein are adsorption materials comprising a mixed-metal mixed-organic framework comprising metal ions of two or more distinct metals and a plurality of organic linkers. Each organic linker in the plurality of organic linkers is connected to a metal ion. The adsorption material further comprises a plurality of ligands. In an aspect, each respective ligand in the plurality of ligands is an amine or other Lewis base (electron donor) appended to a metal ion in the two of more distinct elements of the mixed-metal organic framework to provide a mixed-metal mixed-organic framework system.

PARTICULATE WATER ABSORBING AGENT

The purpose of the present invention is to provide a particulate water absorbing agent having both a high water absorption multiplying factor and a high water absorption rate and a method for manufacturing the same. The present invention is a particulate water absorbing agent for which CRC is 30 to 50 g/g, wherein the weight average particulate diameter (D) is 200-600 μm, and the DRC index given by the following formula is a specific value (for example, 43, 30, or 20) or less: DRC index=(49−DRC5min [g/g])/(D50 [μm]/1000). 1. A particulate water absorbent agent with a centrifuge retention capacity (CRC) of 30 to 50 g/g , whereina weight average particle diameter (D50) is 200 to 600 μm, and {'br': None, 'i': 'D', 'Index of DRC=(49−DRC5min [g/g])/(50 [μm]/1000).'}, 'an index of DRC represented by the following equation is 43 or less2. The particulate water absorbent agent of claim 1 , wherein the index of DRC is 30 or less.3. The particulate water absorbent agent of claim 1 , wherein the index of DRC is 20 or less.4. The particulate water absorbent agent of claim 1 , wherein a saline flow conductivity (SFC) is 0 to less than 30 (×10·cm·s·g).5. The particulate water absorbent agent of claim 1 , wherein surface tension is 66 mN/m or greater.6. The particulate water absorbent agent of claim 1 , wherein a particle shape is an irregular pulverized shape.7. The particulate water absorbent agent of claim 1 , wherein a moisture absorption fluidity (B. R.) is 50% by weight or less.8. The particulate water absorbent agent of claim 1 , wherein a water soluble component (Ext) is 25% by weight of less.9. The particulate water absorbent agent of claim 1 , wherein a degradable soluble component is 30% by weight of less.10. The particulate water absorbent agent of claim 1 , wherein an absorption against pressure (AAP) is 18 g/g or greater.11. The particulate water absorbent agent of claim 1 , wherein an absorption against pressure (AAP) is 26 g/g or greater.12. The particulate water ...

Superabsorbent-Based Suspension Suitable For Hydrostimulatory Coating Of Seeds And A Method Of Coating Seeds With The Suspension

A superabsorbent-based suspension for hydrostimulatory coating of seeds comprises a superabsorbent in the form of a copolymer of acrylate and acrylamide in the range of 25 to 40 wt. % of the suspension, adhesives dispersed or dissolved in a solution of water and ethanol and/or of water and isopropanol, wherein the dispersion or solution of the adhesives comprising water in the range of 0.1 to 8 wt. % of the suspension, ethanol and/or isopropanol in the range of 40 to 70 wt. % of the suspension and adhesives in the range 1-10 wt. % of the suspension, further lubricant additives suitable for improving flow properties of seeds in the range of 0.1 to 15 wt. % of the suspension, and an antistatic additive suitable for eliminating electric charge in the range 0.1-5 wt. % of the suspension. A method of coating a seed with this suspension. 1. A superabsorbent-based suspension suitable for hydrostimulatory coating of seeds , comprising a superabsorbent , adhesives dispersed or dissolved in a solution of water and ethanol and/or of water and isopropanol , lubricant additives suitable for improving flow properties of seeds , and an antistatic additive suitable for eliminating electric charge , wherein the superabsorbent in the form of a copolymer of acrylate and acrylamide in the range of 25 to 40 wt. % of the suspension , the dispersion or solution of the adhesives comprising water in the range of 0.1 to 8 wt. % of the suspension , ethanol and/or isopropanol in the range of 40 to 70 wt. % of the suspension and adhesives in the range of 1 to 10 wt. % of the suspension , further the lubricant additives in the range of 0.1 to 15 wt. % of the suspension and the antistatic additive in the range of 0.1 to 5 wt. % of the suspension.2. The suspension according to claim 1 , wherein the superabsorbent is a copolymer of potassium acrylate and acrylamide.3. The suspension according to claim 1 , wherein the adhesive is polyvinyl acetate claim 1 , hydroxymethyl cellulose claim 1 , ...

COMPOSITION FOR AMBIENT MOISTURE REGULATION, METHOD OF PREPARATION THEREOF AND USE THEREOF TO REGULATE THE MOISTURE OF AN ENVIRONMENT

A composition for moisture regulation in the form of a gel is disclosed. The composition includes magnesium chloride, and a cellulose selected from hydroxypropyl methyl cellulose and methyl hydroxyethyl cellulose and water, in which the ratio between the quantity of magnesium chloride and the cellulose is between 0.1 and 16 by weight. Preparation methods for such composition and methods for regulating the moisture of an environment are also disclosed. 1. A method for the preparation of a composition according to claim 1 , the method comprising:a) dissolving the magnesium chloride in water to obtain a solution;b) heating said solution to a temperature higher than 50° C.;c) adding a cellulose selected from hydroxypropyl methyl cellulose and methyl hydroxyethyl cellulose to said solution;d) quenching to a temperature lower than 10° C. to form a gel; ande) conditioning said gel in a climatic chamber.2. The method according to claim 1 , wherein heating said solution is conducted at a temperature of 70° C.3. The method according to claim 1 , wherein quenching is conducted at a temperature lower than 5° C.4. A method for regulating moisture of an environment claim 1 , the method comprising:providing a composition, in gel form, consisting essentially of magnesium chloride, and a cellulose selected from hydroxypropyl methyl cellulose and methyl hydroxyethyl cellulose and water;wherein the ratio of the quantity of magnesium chloride and cellulose is between 0.1 and 16 by weight; andincluding the composition in packaging with a product, thereby regulating the moisture within the packaging.5. The method of claim 4 , wherein the product is a foodstuff.6. The method of claim 4 , wherein the composition is present as a coating on a wrapping claim 4 , and the method further comprises placing the coating facing the foodstuff.7. The method of claim 4 , wherein providing the composition in gel form further comprises providing the gel form in a shape maintainable thereby without an ...

METHOD FOR REMOVING A POLLUTANT FROM AQUEOUS SOLUTION

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. (canceled)2. The method of claim 15 , wherein the activated carbonyl groups are acyl halide groups.3. The method of claim 15 , wherein the branched polyethylenimine is bonded to the surface of the magnetic core via an amide linkage.4. The method of claim 15 , wherein the branched polyethylenimine has a number average molecular weight in a range of 200-80 claim 15 ,000 Da.5. The method of claim 15 , wherein a weight ratio of the FeOnanoparticles to the activated carbon is in a range of 2:3 to 3:1.6. The method of claim 15 , wherein the composite has a surface area of 140-180 m/g.7. The method compositc of claim 15 , wherein the composite has a pore volume of 0.2-0.28 cm/g claim 15 , and a pore size of 4-8 nm.814-. (canceled)15. A method for removing a pollutant from an aqueous solution claim 15 , the method comprising:contacting the aqueous solution having an initial concentration of the pollutant with a composite to form a mixture; andfiltering the mixture to obtain a pollutant loaded composite and an aqueous solution having a reduced concentration of the pollutant compared to the initial concentration, [{'sub': 3', '4, 'a magnetic core comprising FeOdisposed on activated carbon; and'}, 'a branched polyethylenimine,', {'sub': 3', '4, 'wherein the FeOis in the form of nanoparticles having an average particle size of 1-100 nm; and'}, 'wherein the magnetic core comprises activated carbonyl groups on a surface of the magnetic core., 'wherein the composite comprises16. The method of claim 15 , wherein the ...

Hydrophobic and Porous Sorbent Polymer Composites and Methods for CO2 Capture

Sorbent polymer composites and a solution-casting method of making hydrophobic sorbent polymer composites for CO2 adsorption applications are described. The sorbent polymer composites are comprised of a polymer matrix, a dispersed CO2 sorbent, and an optional filler particle for hydrophobicity modification. 1. A method of making a sorbent polymer composite membrane , comprising: mixing a dissolved fluoropolymer and a sorbent in an organic solvent to form a mixture;wherein the fluoropolymer and sorbent comprise at least 5 mass % of the mixture;adding a nonsolvent to the mixture to form a phase inversion coating composition;wherein the mass ratio of nonsolvent to solvent in the coating composition is 0.2 or less;applying a film of the coating composition to a substrate via a casting knife;vaporizing the solvent from the film at a temperature <150° C. from the mixture to increase the ratio of nonsolvent/solvent so that the fluoropolymer precipitates from the solvent; andforming a porous fluoropolymer film with dispersed sorbent.2. The method of further comprising drying the porous fluoropolymer film at an elevated temperature above 30° C. to remove the solvent and nonsolvent.3. The method of wherein the elevated temperature is in the range of 30-100° C.4. The method of any of wherein the mixture comprises at least 7 mass % claim 1 , or at least 8 mass % claim 1 , or 8 to 15 mass % claim 1 , or 8 to 10 mass % fluoropolymer plus sorbent.5. The method of any of the above wherein the mixture comprises at least 4 mass % claim 1 , or at least 8 mass % claim 1 , or 8 to 15 mass % claim 1 , or 5 to 20 mass % or 8 to 10 mass % fluoropolymer.6. The method of wherein the coating composition has a mass ratio of nonsolvent/solvent (for example water/acetone) of 0.2 or less claim 1 , or 0.1 or less claim 1 , or in the range of 0.02 to 0.10 claim 1 , or 0.04 to 0.08 or 0.024-0.100.7. The method of wherein the step of vaporizing is conducted at <150 or <100 or <80° C. claim 1 , or in ...

POROUS MATERIALS WITH CONTROLLED POROSITY; PROCESS FOR THE PREPARATION THEREOF; AND USE THEREOF FOR CHROMATOGRAPHIC SEPARATIONS

The present invention provides novel chromatographic materials. e.g., for chromatographic separations, processes for their preparation and separations devices containing the chromatographic materials. The chromatographic materials of the invention have controlled porosity and comprise a chromatographic core material and one or more layers of chromatographic surface material which each independently provide an average pore diameter, an average pore volume, or a specific surface area such that the combined layers form a chromatographic material having a predetermined or desired pattern of porosity from the core material to the outermost surface. The materials are useful for HPLC separations, normal-phase selarations, reversed-phase separations, chiral separations, HILIC separations, SFC separations, affinity separations, perfusive separations, partially perfusive separations, and SEC separations. 1. A chromatographic material having controlled porosity.2. The chromatographic material of claim 1 , wherein the material is in the form of a particle.3. The chromatographic material of claim 1 , wherein the material is in the form of a monolith.4. The chromatographic material of claim 1 , wherein the material is in the form of a superficially porous material.5. (canceled)6. (canceled)7. The chromatographic material of claim 1 , comprising a chromatographic core material having a primary surface and one or more layers of a chromatographic surface material.8. (canceled)9. The chromatographic material of claim 7 , wherein the chromatographic core material is an inorganic material claim 7 , an organic material claim 7 , or an inorganic/organic hybrid material.10. (canceled)1222-. (canceled)23. The chromatographic material of claim 7 , wherein each layer of the one or more layers of a chromatographic surface material independently has an average pore diameter of 20 to 1500 Angstroms.24. The chromatographic n material of claim 23 , wherein the average pore diameter of the one or ...

POROUS INORGANIC/ORGANIC HYBRID MATERIALS WITH ORDERED DOMAINS FOR CHROMATOGRAPHIC SEPARATIONS AND PROCESSES FOR THEIR PREPARATION

Porous hybrid inorganic/organic materials comprising ordered domains are disclosed. Methods of making the materials and use of the materials for chromatographic applications are also disclosed. 146-. (canceled)47. Porous particles comprising ordered domains ordered radially , the particles having ordered pores that are arranged such that they extend substantially parallel to radii of the particles , and wherein said particles have a specific surface area of about 50 to 800 m/g , an average pore diameter of about 50 to 500 Å , or a specific pore volume of about 0.25 to 1.5 cm/g.48. The porous particles of claim 47 , wherein pores of a diameter of less than about 34 Å contribute less than about 110 m/g to a specific surface area of the material.49. The porous particles of claim 47 , wherein diffraction peak maxima observed for said material exhibit a 2θ position that excludes diffraction peaks resulting from atomic-range order that are associated with amorphous material.50. The porous particles of claim 47 , wherein said particles have 5.73% C or less.51. The porous particles of claim 47 , wherein said particles have 0.61% C.52. The porous particles of claim 47 , having formula III:{'br': None, 'sub': y', 'x, '[A][B]\u2003\u2003(Formula III),'} {'br': None, 'sub': 2', 'p', 'q', 't', 'n', '2', 'r', 't', 'm', 'n, 'sup': 1', '2', '3', '1, 'SiO/(RRSiO)or SiO/[R(RSiO)];'}, 'wherein x and y are whole number integers and A is'}{'sup': 1', '2', '3, 'sub': 1', '7', '1', '7, 'wherein Rand Rare independently a substituted or unsubstituted Cto Calkyl group, or a substituted or unsubstituted aryl group, Ris a substituted or unsubstituted Cto Calkylene, alkenylene, alkynylene, or arylene group bridging two or more silicon atoms, p and q are 0, 1, or 2, provided that p+q=1 or 2, and that when p+q=1, t=1.5, and when p+q=2, t=1; r is 0 or 1, provided that when r=0, t=1.5, and when r=1, t=1; m is an integer greater than or equal to 2; and n is a number from 0.01 to 100;'} {'br': None, ...

Water-resistant composition

The present invention provides a water-resistant composition for adsorbing volatile organic compounds (VOCs) derived from organic matter including: a) palladium doped hydrogen-ZSM-5, wherein the Si:AI ratio of the hydrogen-ZSM-5 is less than or equal to 200:1; and b) at least one water-soluble binder. The invention also provides a method for using the water-resistant composition for adsorbing volatile organic compounds (VOCs) derived from organic matter.

Solid Phase Mixture, Packing Material, and Column

Provided is a solid phase mixture including an oxidizing agent and/or a salt of the oxidizing agent and solid phase particles. The oxidizing agent is a compound capable of selectively oxidizing 1,2-diol compounds. In addition, a packing material containing the solid phase mixture is provided. Further, a column packed with the packing material is provided. 1. A solid phase mixture comprising:an oxidizing agent and/or a salt of the oxidizing agent; andsolid phase particles.2. The solid phase mixture according to claim 1 , wherein the oxidizing agent is a compound capable of selectively oxidizing 1 claim 1 ,2-diol compounds.3. The solid phase mixture according to claim 1 , wherein the oxidizing agent is periodic acid or lead tetraacetate.4. The solid phase mixture according to claim 1 , wherein the salt of the oxidizing agent is a salt of periodic acid.5. The solid phase mixture according to claim 1 , wherein the solid phase particles are particles of at least one kind selected from diatomaceous earth claim 1 , silica gel claim 1 , dextran claim 1 , and a polymer.6. The solid phase mixture according to claim 5 , wherein the polymer is at least one kind selected from polystyrene claim 5 , polymethacrylate claim 5 , and polyvinyl alcohol.7. The solid phase mixture according to claim 1 , wherein the mass of the oxidizing agent and/or the salt of the oxidizing agent relative to the mass of the solid phase particles is 4% to 20%.8. The solid phase mixture according to claim 1 , configured to selectively bind to and oxidize a 1 claim 1 ,2-diol compound claim 1 , thereby extracting a diol compound other than 1 claim 1 ,2-diol compounds.9. The solid phase mixture according to claim 8 , whereinthe 1,2-diol compound is a vitamin D having a 1,2-diol structure, andthe diol compound other than 1,2-diol compounds is a vitamin D having a diol structure other than a 1,2-diol structure.10. The solid phase mixture according to claim 1 , configured to selectively bind to and oxidize a 1 ...

New hybrid biodegradable polymer for efficient nitrogen and phosphate reduction

The invention relates to a biodegradable polymer that is coupled to metal-(OH/CO3)n beads (hybrid POL/metal-(OH/CO3)n). The invention further relates to a container and a filtering agent comprising the hybrid POL/metal-(OH/CO3)n, and to the use of methods of hybrid POL/metal-(OH/CO3)n for reducing nitrogen compounds from an aqueous solution.

GELS FOR REMOVING AIR POLLUTANTS

Gels that can react with air pollutants in air and methods for making said gels, are provided. The gels are useful for removing air borne pollutants from indoor environments. 1. A gel for removing one or more air pollutants from air , comprising:at least one polymer;at least one adsorbent;at least one chelating agent:at least one component that reacts with at least one air pollutant; andwater.2. The gel of claim 1 , wherein the gel is a hydrogel.3. The gel of claim 1 , wherein the polymer is chosen from acacia claim 1 , gelatin claim 1 , carrageenan claim 1 , locust bean gum claim 1 , konjac gum claim 1 , xanthan gum claim 1 , starch claim 1 , cyclodextrin claim 1 , sodium alginate claim 1 , chitosan claim 1 , carboxymethyl chitosan claim 1 , polyvinyl alcohol claim 1 , polyurea claim 1 , and mixtures thereof.4. The gel of claim 3 , wherein the at least one polymer is about 1 to about 30 wt % of the gel.5. The gel of claim 1 , wherein the at least one adsorbent is chosen from porous silica claim 1 , zinc ricinoleate claim 1 , polyacrylamide claim 1 , activated carbon claim 1 , a molecular sieve claim 1 , and mixtures thereof.6. The gel of claim 5 , wherein the at least one adsorbent is about 1 to about 30 wt % of the gel.7. The gel of claim 1 , wherein the at least one chelating agent is chosen from sodium tripolyphosphate claim 1 , sodium polyphosphate claim 1 , sodium hexametaphosphate claim 1 , sodium pyrophosphate claim 1 , nitrilotriacetic acid claim 1 , diethylene triamine pentaacetic acid claim 1 , ethylene glycol-bis-(β-aminoethyl ether)-N claim 1 , N-tetraacetic acid claim 1 , tetrasodium vinoxy diphosphate claim 1 , aminotrimethylene phosphonate claim 1 , and mixtures thereof.8. The gel of claim 7 , wherein the at least chelating agent is about 0.01 to about 20 wt % of the gel.9. The gel of claim 1 , wherein the air pollutant comprises at least one volatile organic compound (VOC).10. The gel of claim 9 , wherein the VOC is formaldehyde claim 9 , benzene ...

Compositions and systems for binding nutrients from moving bodies of water

Some embodiments advantageously provide nutrient-binding compositions that include ingredients that have a synergistic effect such that the nutrient-binding composition is capable of removing more nutrients that the individual ingredients added together. In one embodiment, a nutrient-binding composition comprises: a first amount of a nutrient-binding ingredient; and a second amount of a biogenic additive, the first amount being greater than or equal to the second amount. In one aspect of the embodiment, the nutrient-binding composition has a greater nutrient removal capacity from a volume of water than an additive nutrient removal capacity of the first amount of nutrient-binding ingredient and the second amount of biogenic added together.

METHOD FOR ASSEMBLING AND SYNTHESIZING Cu2O PARTICLE-SUPPORTED POROUS CuBTC

A method for assembling and synthesizing Cu2O particle-supported porous CuBTC includes the following steps of: 1) dissolving polyvinylpyrrolidone (PVP) in ethanol solution to obtain a PVP-ethanol solution; 2) dissolving copper salt in distilled water, and mixing with trimesic acid, salicylic acid, and the PVP-ethanol solution obtained in step 1) under stirring; and 3) conducting a hydrothermal reaction on the mixed solution obtained in step 2) at 120° C. to obtain Cu2O particle-supported porous CuBTC. The new method introduces salicylic acid during the synthesis of CuBTC. The salicylic acid, as a ligand precursor, forms a porous CuBTC material through the unsaturated coordination of a ligand under the catalysis of Cu ion. The resulting porous CuBTC supported with ultrafine Cu2O nanoparticles can adsorb high-energy molecules and exhibit excellent crystallinity, porosity, and stability.

Synthesis of Zinc MOF Materials

Method for making a Zn MOF of formula ZnHtCL, where Ht is 1,2,4-triazolate or a combination of 1,2,4-triazolate and one or more other cycloazocarbyl compound, and CL is oxalate or a combination of oxalate and one or more chelating ligand other than oxalate. More specifically, the Zn MOF is ZnTzOx, where Tz is 1,2,4-triazolate and Ox is oxalate. The method includes reacting 2 molar equivalents of 1,2,4-triazole or the combination with cycloazocarbyl compound with 1 molar equivalent of oxalate or the combination with other chelating ligand and adding 2 molar equivalents of Zn to form the Zn MOF. The solvent used can be a lower alcohol or a miscible mixture of water and a lower alcohol. One or both reaction steps are conducted at a temperature less than or equal to 120° C. and can be conducted at room temperature and ambient pressure. 1. A method for making a Zn MOF of formula:{'br': None, 'sub': 2', '2, 'ZnHtCL,'}where Ht is 1,2,4-triazole or a combination of 1,2,4-triazolate and one or more other cycloazocarbyl compound, and CL is oxalate or a combination of oxalate and one or more chelating ligand other than oxalate, which comprises the steps of:(1) reacting 2 molar equivalents of 1,2,4-triazole or the combination of 1,2,4-triazolate and one or more other cycloazocarbyl compound with 1 molar equivalent of oxalate or a combination of oxalate and one or more chelating ligand other than oxalate to form a cycloazocarbyl chelating ligand compound as a suspension in solvent; and{'sup': '2+', '(2) adding 2 molar equivalents of Zn to the suspension to form the Zn MOF.'}2. The method of wherein step (1) or step (1) and step (2) are conducted at a temperature less than or equal to 120° C.3. The method of wherein step (1) or step (1) and step (2) are conducted at a temperature less than or equal to 100° C.4. The method of wherein the method is conducted at atmospheric pressure.5. The method of claim 1 , wherein the solvent in step 1 is water claim 1 , a lower alcohol or a ...

METHOD FOR PREPARING AN IRON OXIDE PARTICLE CORE COMPOSITE

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. (canceled)2. (canceled)3. The method of claim 8 , wherein the branched polyethylenimine is bonded to the surface of the magnetic core via an amide linkage.4. The method of claim 8 , wherein the branched polyethylenimine has a number average molecular weight in a range of 200-80 claim 8 ,000 Da.5. The method of claim 8 , wherein a weight ratio of the FeOnanoparticles to the activated carbon in the composite is in a range of 2:3 to 3:1.6. The method of claim 8 , wherein the composite has a surface area of 140-180 m/g.7. The method of claim 8 , wherein the composite has a pore volume of 0.2-0.28 cm/g claim 8 , and a pore size of 4-8 nm.8. A method of preparing a composite of 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 a magnetic core; andreacting the magnetic core with a branched polyethylenimine thereby forming the composite,wherein the halide reagent is at least one selected from the group consisting of a thionyl halide, an oxalyl halide, phosphorus trihalide, and phosphorous pentahalide,{'sub': 3', '4, 'wherein the magnetic core comprises FeOdisposed on the activated carbon and the branched polyethylenimine,'}{'sub': 3', '4, 'wherein the FeOis in the form of nanoparticles having an average particle size of 1-100 nm; and'}wherein the magnetic ...

PROCESS FOR THE PREPARATION OF HOMOGENEOUS HYBRID MATERIALS

The invention relates to a process for the preparation of homogeneous hybrid inorganic-organic materials comprising dissolving and/or suspending and/or dispersing an inorganic and an organic material in a ionic liquid solvent to form an ionic solution and precipitating the inorganic and organic materials together to form a hybrid inorganic-organic precipitate material. The invention further relates to the homogeneous hybrid inorganic-organic precipitate material obtainable or obtained by the process, in particular carbon alumina hybrid material, to shaped articles like fibers and particles comprising said hybrid material and the use thereof for the manufacture of—or as a component in—catalysts, sorbents, building and construction materials, packaging materials, paper materials, coatings and polymers. 121-. (canceled)22. A process for the preparation of hybrid inorganic-organic materials comprising:at least one of dissolving, suspending and dispersing an inorganic and an organic material in an ionic liquid solvent to form at least one of an ionic solution, andsuspension and dispersion and coprecipitating the inorganic and organic materials together to form a hybrid inorganic-organic precipitate material.23. The process of claim 22 , wherein the ionic liquid solvent is a molten salt hydrate.24. The process of claim 22 , wherein the inorganic material consists at least 80 wt. % of non-Carbon materials.25. The process of claim 22 , wherein the organic material consists of at least 80 wt. % Carbon claim 22 , Hydrogen and Oxygen.26. The process of claim 22 , wherein the amount of organic material relative to the total amount of organic and inorganic material is between 5 and 95 wt. %.27. The process of comprisinga) a first step wherein first the inorganic or the organic material is at least one of dissolved, suspended and dispersed in the ionic liquid solvent forming at least one of a solution, suspension and dispersion A, andb) a second step wherein the other of the ...

Sorbent and sorption device

The invention relates generally to sorbents and sorption devices for extracting compounds. The invention relates to a sorbent comprising a polymer and microdiamond. The invention also relates to a sorption device comprising the sorbent. The invention further relates to methods of using the sorption device for extracting organic compounds from a fluid and for preparing a sample containing organic compounds for analysis.

AVERAGE-DENSITY-ADJUSTABLE STRUCTURE, AND MATERIAL CHANGE AND SELECTIVE BONDING PROCESS USING SAME

The present invention relates to an average-density-adjustable structure and more specifically provides a structure the average density of which is adjusted by changing the material of the structure and the size of a void formed therein and which can thereby float on the surface of or in a liquid and can easily bond with or change a material present in a gas or liquid by being equipped with a first material, which is one among an organic catalyst, an inorganic catalyst, a microorganism, and a biomolecule. 1. A structure comprising:a body whose density is adjustable and whose position is accordingly adjustable in such a way that the body floats on a surface of a liquid or settles in a liquid; anda first material included in the body.2. The structure of claim 1 , wherein the density of the body is adjusted in accordance with a material of the body or a size of a void formed in the body.3. The structure of claim 2 , wherein the body includes at least one support including the first material and at least one density-adjusting body coupled to one end of the support.4. The structure of claim 3 , wherein the support has at least one platy structure having a mesh form.5. The structure of claim 1 , wherein the body includes at least one void formed therein claim 1 ,the void is filled with a second material, andthe second material includes one or more materials selected from the group consisting of air, nitrogen, oxygen, argon, carbon dioxide, neon, ozone, helium, methane, xenon, krypton, and hydrogen.6. The structure of claim 1 , wherein the body includes at least one selected from acrylonitrile butadiene styrene claim 1 , polythiophene claim 1 , polylactic acid claim 1 , polyvinyl alcohol claim 1 , polycaprolactam claim 1 , polycaprolactone claim 1 , poly(lactic-co-glycolic acid) claim 1 , polyacrylonitrile claim 1 , polyester claim 1 , polyethylene claim 1 , polyethyleneimine claim 1 , polypropylene oxide claim 1 , polyurethane claim 1 , polyglycolic acid claim 1 , ...

Method for enhancing volumetric capacity in gas storage and release systems

The present disclosure provides for a porous gas sorbent monolith with superior gravimetric working capacity and volumetric capacity, a gas storage system including a porous gas sorbent monolith of the present disclosure, methods of making the same, and method for storing a gas. The porous gas sorbent monolith includes a gas adsorbing material and a non-aqueous binder.

SELECTIVE METHODS FOR THE SEPARATION OF ONDANSETRON AND RELATED IMPURITIES

The present disclosure generally relates to methods for separating ondansetron and related impurities using CO-based chromatography. 1. A method of separating ondansetron and at least one related impurity using CO-based chromatography , comprisingapplying a sample of ondansetron and at least one related impurity to a chromatography column; and{'sub': '2', 'eluting ondansetron and at least one related impurity from the chromatography column using a mobile phase comprising CO.'}2. The method of claim 1 , wherein the mobile phase further comprises a modifier.3. The method of claim 1 , wherein the mobile phase further comprises methanol.4. The method of claim 1 , wherein the related impurities are Impurity E and Impurity F collectively.5. The method of claim 1 , wherein the related impurities are Impurity E and Impurity F collectively claim 1 , and wherein Impurity E and Impurity F have a retention time difference of greater than 10 seconds apart from one another.6. The method of claim 1 , wherein the related impurities are Impurity A claim 1 , Impurity C claim 1 , Impurity D claim 1 , Impurity E claim 1 , Impurity F claim 1 , and Impurity G collectively.7. The method of claim 1 , wherein the related impurities are Impurity A claim 1 , Impurity B claim 1 , Impurity C claim 1 , Impurity D claim 1 , Impurity E claim 1 , Impurity F claim 1 , Impurity G claim 1 , and Impurity H collectively.8. The method of claim 1 , wherein the retention time of the first related impurity eluted from the chromatography column is greater than 1.5 minutes.9. The method of claim 1 , wherein the total elution period of the ondansetron and related impurities is less than 10 minutes.10. The method of claim 1 , wherein the chromatography column comprises hybrid particles.11. The method of claim 1 , wherein the chromatography column comprises hybrid particles having an average particle size of 1.7 or 3.5 um.12. The method of claim 1 , wherein the chromatography column comprises hybrid particles ...

Process and Apparatus for Manufacturing Water-Absorbing Material and Use in Cat Litter

A process for manufacturing particles of water-absorbing material is provided. The process includes providing a powder bed composed of an absorptive powder comprising a water-absorbing polysaccharide onto a surface; releasing an aqueous solution from a solution dispenser so as to contact the powder bed, thereby forming a solution-impregnated humid material; letting the solution-impregnated humid material agglomerate in substantially shear-less conditions to form an agglomerated humid material, the solution-impregnated humid material being supported by the surface; and drying the agglomerated humid material, thereby forming the particles. 196.-. (canceled)97. A process for manufacturing a chromogenic absorbent material for detecting for detecting glucose in an animal excretion , the process comprising:providing an absorptive powder comprising a water-absorbing polysaccharide onto a surface, thereby obtaining a powder bed; an oxido-reductase;', 'a peroxidase or pseudoperoxidase; and', 'a chromogenic indicator oxidizable into a colored and/or fluorescent substance in the presence of the oxido-reductase, the peroxidase or pseudoperoxidase and glucose;, 'releasing a chromogenic solution from a solution dispenser so as to contact the powder bed, thereby forming a solution-impregnated humid material, the chromogenic solution comprisingmaintaining the solution-impregnated humid material supported by the surface and in substantially shear-less conditions until the solution-impregnated humid material agglomerates to produce an agglomerated humid material; and{'sup': 3', '3, 'drying the agglomerated humid material, thereby forming the chromogenic absorbent material, the chromogenic absorbent material having a density of about 0.20 g/cmto about 0.39 g/cm,'}wherein the absorptive powder is unreactive to the oxido-reductase.98. The process of claim 97 , wherein the surface is a substantially planar surface.99. The process of claim 97 , further comprising displacing the solution- ...

BRANCHED POLYMER CROSS-LINKED GRAPHENE OXIDE ADSORBENT MATERIAL

A graphene oxide adsorbent material for filtering contaminants from water is formed of graphene oxide plates cross-linked by branched polymer nanoparticles. 1. An adsorbent material , comprising graphene oxide plates cross-linked by branched polymer nanoparticles.2. The adsorbent material of claim 1 , further comprising at least one functional group on cross-links of the branched polymer nanoparticles.3. The adsorbent material of claim 2 , wherein the at least one functional group comprises a metal chelating agent that is attachable to an amine group.4. The adsorbent material of claim 2 , wherein the at least one functional group comprises 2-pyridinecarboxaldehyde thiosemicarbazone (2-PTSC) or a derivative thereof.5. The adsorbent material of claim 2 , wherein the at least one functional group comprises 1 claim 2 ,8-dihydroxyanthraquinone (DHAQ).6. The adsorbent material of claim 2 , wherein the at least one functional group comprises a long chain organic compound.7. The adsorbent material of claim 2 , wherein the at least one functional group comprises a multi-valent charged molecule.8. A method of removing contaminants from water claim 1 , comprising filtering the water through the adsorbent material of .9. A method of fabricating an adsorbent material comprising:preparing stock solutions of Graphene Oxide (GO, 0.2 g/L) and high molecular weight Branched Polyetheleneimine (bPEI, 1 g/L), both with pH adjusted to 7.0;combining the prepared stock solutions in a ratio of 10:1 GO:bPEI into a combined solution;mixing the combined solution;adjusting the pH of the combined solution to 5.5 after mixing the combined solution;adding at least one ketone to the combined solution after adjusting the pH to 5.5 to form a synthesized material in water; andseparating the synthesized material from the water and rinsing the separated synthesized material with clean water.10. The method of claim 9 , wherein mixing the combined solution comprises vortexing the combined solution.11. The ...

HIGH EFFICIENCY, ULTRA-STABLE, BONDED HYDROPHILIC INTERACTION CHROMATOGRAPHY (HILIC) MATRIX ON SUPERFICIALLY POROUS PARTICLES (SPPS)

The present invention relates to superficially porous particles (SPPs), also called core-shell, porous shell or fused core particles, which are state-of-the-art support materials used in the production of HPLC columns. Hydrolytically stable, highly selective superficially porous particle (SPP) hydrophilic interaction liquid chromatographic (HILIC) stationary phases having higher efficiencies and shorter retention times than analogous stationary phases on fully porous particles (FPP) is provided. 1. Covalently bonded ultra-stable hydrophilic interaction chromatography (HILIC) phases comprising superficially porous particle (SPP) linked to a HILIC selector.2. The covalently bonded ultra-stable hydrophilic interaction chromatography (HILIC) phases of claim 1 , wherein SPP has a particle diameter from about 0.5 microns to about 20 microns.3. The covalently bonded ultra-stable hydrophilic interaction chromatography (HILIC) phases of claim 1 , wherein SPP has a particle diameter from about 1.3 microns to about 10 microns.4. The covalently bonded ultra-stable hydrophilic interaction chromatography (HILIC) phases of claim 1 , wherein SPP has a particle diameter from about 1.7 microns to about 5.0 microns.5. The covalently bonded ultra-stable hydrophilic interaction chromatography (HILIC) phases of claim 1 , wherein SPP has a particle diameter selected from the group consisting of about 1.7 claim 1 , about 2.7 and about 4.0 microns.6. (canceled)7. (canceled)8. (canceled)9. The covalently bonded ultra-stable hydrophilic interaction chromatography (HILIC) phases of claim 1 , wherein the SPP has a pore size from about 100 angstroms to about 300 angstroms.10. (canceled)11. (canceled)12. The covalently bonded ultra-stable hydrophilic interaction chromatography (HILIC) phases of claim 1 , wherein the SPP has a pore size of about 120 angstroms.13. The covalently bonded ultra-stable hydrophilic interaction chromatography (HILIC) phases of claim 1 , wherein the SPP has a surface area ...

An adsorbent

An adsorbent for perfluoroalkyl and polyfluoroalkyl substances, wherein the adsorbent comprises one or more proteins. The one or more proteins may be selected from plant proteins, albumins, globulins, edestin, glycinin and/or beta-conglycinin. Use of an adsorbent for treatment of a material contaminated with perfluoroalkyl and polyfluoroalkyl substances. There is also provided a process for the treatment of ground water contaminated with perfluoroalkyl and polyfluoroalkyl substances, wherein the contaminated ground water is pumped to the surface and directed to an adsorption step comprising the adsorbent.

Adsorbent, Canister and Method for Producing Adsorbent

An adsorbent to be packed into a canister, at least containing activated carbon and an additive material that has a higher heat capacity than the activated carbon. The adsorbent has first pores derived from the activated carbon that are less than 100 nm and second pores derived from meltable cores that are 1 μm or more. The adsorbent is in the form of a hollow molded body having an outer diameter of more than 6 mm and not more than 50 mm and including a cylindrical wall and honeycomb walls each having a thickness of not less than 0.2 mm and not more than 1 mm. The adsorbent has a volumetric specific heat of 0.08 kcal/L·° C. or more. The ratio of the volume of the second pores to the volume of the first pores is not less than 10% and not more than 200%. 1. An adsorbent to be packed into a canister , the adsorbent at least comprising:activated carbon; andan additive material having a higher heat capacity than the activated carbon,wherein the adsorbent has first pores that are derived from the activated carbon and are less than 100 nm and second pores that are derived from meltable cores and are 1 μm or more,wherein the adsorbent is in a form of a hollow molded body having an outer diameter of more than 6 mm and not more than 50 mm and in which respective parts have a thickness of not less than 0.2 mm and not more than 1 mm,wherein the adsorbent has a volumetric specific heat of 0.08 kcal/L·° C. or more, andwherein the ratio of the volume of the second pores to the volume of the first pores is not less than 10% and not more than 200%.2. The adsorbent according to claim 1 ,wherein the adsorbent has a thermal conductivity of 0.1 kcal/m·h·° C. or more.3. The adsorbent according to claim 1 ,wherein the additive material is a metal oxide.4. The adsorbent according to claim 3 ,wherein a mass of the additive material is not less than 1.0 times and not more than 3.0 times the mass of the activated carbon.5. The adsorbent according to claim 1 ,wherein the additive material is a ...

EVAPORATIVE EMISSION CONTROL ARTICLES INCLUDING ACTIVATED CARBON

A coated substrate () adapted for hydrocarbon adsorption having at least one surface, and a coating on the at least one surface, the coating comprising particulate carbon and a binder, wherein the particulate carbon has a BET surface area of at least about 1300 m/g; and at least one of: (i) a butane affinity of greater than 60% at 5% butane; (ii) a butane affinity of greater than 35% at 0.5% butane; (iii) a micropore volume greater than about 0.2 ml/g and a mesopore volume greater than about 0.5 ml/g. A bleed emission scrubber () and an evaporative emission control canister system () comprising the coated substrate () are provided. They can control evaporative hydrocarbon emissions and may provide low diurnal breathing loss (DBL) emissions even under a low purge condition. 1. A coated substrate adapted for hydrocarbon adsorption comprising:{'sup': '2', 'claim-text': i. a butane affinity of greater than 60% at 5% butane;', 'ii. a butane affinity of greater than 35% at 0.5% butane;', 'iii. a micropore volume greater than about 0.2 ml/g and a mesopore volume greater than about 0.5 ml/g., 'a substrate having at least one surface, and a coating on the at least one surface, the coating comprising particulate carbon and a binder, wherein the particulate carbon has a BET surface area of at least about 1300 m/g; and at least one of2. The coated substrate of claim 1 , wherein the particulate carbon has an n-butane adsorption capacity of at least about 40 ml/g at about 3 mm Hg n-butane pressure.3. The coated substrate of claim 1 , wherein the particulate carbon has an n-butane adsorption capacity of from about 40 ml/g to about 80 ml/g at about 3 mm Hg n-butane pressure.4. (canceled)5. The coated substrate of claim 1 , wherein the particulate carbon has a BET surface area of from about 1300 m/g to about 2500 m/g.6. The coated substrate of claim 1 , wherein the particulate carbon has a BET surface area of from about 1400 m/g to about 1600 m/g.710-. (canceled)11. The coated ...

CORE-SHELL IRON OXIDE-POLYMER NANOFIBER COMPOSITES FOR REMOVAL OF HEAVY METALS FROM DRINKING WATER

A method is disclosed of forming core-shell iron oxide-polymer nanofiber composites. The method includes synthesizing composite nanofibers of polyacrylonitrile (PAN) with embedded hematite (α-FeO) nanoparticles via a single-pot electrospinning synthesis; and generating a core-shell nanofiber composite through a subsequent hydrothermal growth of α-FeOnanostructures on the composite nanofibers of polyacrylonitrile (PAN) with the embedded hematite (α-FeO) nanoparticles. 1. A method of forming core-shell iron oxide-polymer nanofiber composites , the method comprising:{'sub': 2', '3, 'synthesizing composite nanofibers of polyacrylonitrile (PAN) with embedded hematite (α-FeO) nanoparticles via a single-pot electrospinning synthesis; and'}{'sub': 2', '3', '2', '3, 'generating a core-shell nanofiber composite through a subsequent hydrothermal growth of α-FeOnanostructures on the composite nanofibers of polyacrylonitrile (PAN) with the embedded hematite (α-FeO) nanoparticles.'}2. The method according to claim 1 , comprising:{'sub': 2', '3, 'controlling properties of the embedded hematite composite using electrospinning synthesis variables, the electrospinning synthesis variables including size, morphology, and amount of embedded α-FeOnanoparticles.'}3. The method according to claim 1 , comprising:tailoring the core-shell composites via hydrothermal treatment conditions, the hydrothermal conditions including soluble iron species and concentration, temperature, and duration.4. The method according to claim 1 , wherein the subsequent hydrothermal growth of the α-FeOnanostructures comprises:{'sub': 2', '3', '3', '2, 'placing the composite nanofibers of polyacrylonitrile (PAN) with embedded hematite (α-FeO) nanoparticles in a equimolar solution of FeCl.6HO and L-arginine; and'}{'sub': 2', '3', '3', '2, 'heating the composite nanofibers of polyacrylonitrile (PAN) with embedded hematite (α-FeO) nanoparticles in the equimolar solution of FeCl.6HO and L-arginine.'}5. The method ...

POLYMER, AND OXYGEN ABSORBENT AND RESIN COMPOSITION USING SAME

A polymer comprising a structural unit derived from a compound (A) represented by formula (I): 2. The polymer according to claim 1 , wherein X is an oxygen atom.3. The polymer according to claim 1 , wherein Rand Rare hydrogen atoms.4. The polymer according to claim 1 , wherein Rand Rare each independently a hydrogen atom or a methyl group.6. The polymer according to claim 5 , wherein Ris a hydrogen atom.7. The polymer according to claim 5 , wherein Ris a (meth)acryloyloxy group.8. The polymer according to claim 1 , wherein the polymer comprises a structural unit derived from a monomer (B) other than the compound (A).9. The polymer according to claim 8 , wherein the monomer (B) is a monofunctional monomer (B1).10. The polymer according to claim 9 , wherein the monofunctional monomer (B1) is an alkyl (meth)acrylate.11. An oxygen absorbent comprising the polymer according to .12. The oxygen absorbent according to claim 11 , wherein the oxygen absorbent comprises a transition metal salt in an amount of 0.001 to 10 mol % based on an amount of the vinyl group in the polymer.13. A resin composition comprising the oxygen absorbent according to and a polyfunctional monomer and/or a resin.14. The resin composition according to claim 13 , wherein the polyfunctional monomer is a polyvalent (meth)acrylic acid ester.15. A cured product obtained by curing the resin composition according to . The present invention relates to a polymer comprising a structural unit derived from a specific unsaturated double bond-comprising compound, and an oxygen absorbent and a resin composition each comprising the polymer.A radical polymerizable resin such as an unsaturated polyester resin used in a coating material has an unsaturated bond in a polymer main chain and is polymerized to cure by the use of a vinyl crosslinking agent. When such a radical polymerizable resin is applied to a coating material, the resin is cured usually in an air atmosphere. Therefore, the polymerization reaction is ...

Metal-organic frameworks

The present invention relates to compounds capable of forming metal-organic frameworks (MOFs), particularly f-block metal MOFs which selectively sorb one component (e.g. para-xylene) from a mixture of components (e.g. m-/p-xylene mixture). The invention also relates to methods of producing and using said compounds.

DEPOLLUTION PRODUCT FOR TRAPPING VOLATILE ORGANIC COMPOUNDS, PARTICULARLY FORMALDEHYDE, AND METHOD FOR THE PRODUCTION THEREOF

The invention relates to a product that adsorbs VOCs (), comprising acetoacetamide, said product being characterised in that it consists of granular activated carbon () coated with crystallised acetoacetamide () on the surface of the granules, leaving free the pores of the channels () of the spongy body formed by the granular activated carbon. The invention also relates to a method for producing such a product. 1. Product adsorbing VOC compounds comprising acetoacetamide , product characterised in thatit comprises active carbon granules coated with acetoacetamide crystallised on the surface of the granules leaving free the pores of the channels of the cavernous body consisting of active carbon granules.2. Product according to claim 1 , characterised in that{'sup': 2', '2, 'the active carbon comprises active carbon granules with micropores of size less than 2 nm and mesoporous active carbon of size between 2 and 50 nm and a specific surface area of 300 to 3000 m/g and in particular of the order of 1000 m/g.'}3. Product according to claim 1 ,characterised in thatthe acetoacetamide corresponds to the formula C4H702N.4. Method for the preparation of a product adsorbing VOC compounds claims 1 , according to claims 1 , characterised in thatactive carbon is prepared in the form of granules with the acetoacetamide,the acetoacetamide is melted,the active carbon granules are added when hot, to the liquid molten acetoacetamide until the acetoacetamide binds to the granules and then,the mixture of acetoacetamide-coated active carbon granules is allowed to cool to recrystallise the acetoacetamide on the active carbon granules.5. Method according to claim 4 , the acetoacetamide is melted in a water bath at a temperature above its melting point but below its boiling point,', 'the active carbon not added to the water bath is added, then', 'it is put back into a water bath and mixed until all the liquid acetoacetamide binds to the active carbon granules,', 'the mixture is removed ...

Large crystal tunable adsorbents

The present invention relates to a surface modified zeolite adsorbent wherein the surface of said zeolite is modified with a coating comprised of a silicone derived species, said zeolite having a mean crystal size from about 5 to about 10 μm and a skeletal density of ≥1.10 gr./cc. The invention is based on the discovery that larger crystals tend to have higher particle density, and the packing of the larger crystals in agglomeration processes leads to more idealized packing to provide a larger mean-pore diameter. The surface modified adsorbent provides rate selectivity for one gas over others is described. The superior adsorbent has the added convenience of bead forming simultaneously with pore modification as well as having the treatment result in the yielding of high crush strength products.

ZEOLITE COMPOSITES FOR WATER PURIFICATION

Zeolites functionalized with graphene oxide, reduced graphene oxide, or a sulfide have utility in removing pollutants from a water supply. Pollutants include Persistent Organic Pollutants (POPs) and heavy metals, such as lead. 1. A composition comprising(a) a zeolite substrate; and(b) one or more nanosheets adhered to the zeolite substrate, the one or more nanosheets comprising graphene oxide and/or reduced graphene oxide.2. The composition of claim 1 , wherein the zeolite substrate is a clinoptilolite zeolite substrate.39-. (canceled)10. The composition of claim 1 , further comprising a surfactant bonded to the zeolite substrate and/or the one or more nanosheets.11. The composition of claim 10 , wherein at least one of the nanosheets bonds to the surfactant and is adhered to the zeolite substrate by the surfactant.12. The composition of claim 10 , wherein the surfactant is a cationic surfactant.1314-. (canceled)15. The composition of claim 10 , wherein the surfactant is a nonionic surfactant.1618-. (canceled)19. The composition of claim 10 , wherein the surfactant is an anionic surfactant and is bonded to the one or more nanosheets.20. (canceled)21. The composition of claim 1 , further comprising a -silyl-Calkylene-NHgroup bonded to the zeolite substrate.2223-. (canceled)24. The composition of claim 1 , wherein the one or more nanosheets are graphene oxide nanosheets.25. The composition of claim 1 , wherein the one or more nanosheets are reduced graphene oxide nanosheets.26. (canceled)27. A composition comprising(a) a zeolite substrate; and(b) a sulfide, the sulfide functionalizing a surface of the zeolite substrate.28. The composition of claim 27 , wherein the zeolite substrate is a clinoptilolite zeolite substrate.2936-. (canceled)37. The composition of claim 27 , wherein the sulfide is cystamine claim 27 , or a salt thereof.38. The composition of claim 27 , wherein the sulfide is zinc sulfide.39. (canceled)40. A method of preparing the composition of comprising ...

Process and Apparatus for Manufacturing Water-Absorbing Material and Use in Cat Litter

A process for manufacturing particles of water-absorbing material is provided. The process includes providing a powder bed composed of an absorptive powder comprising a water-absorbing polysaccharide onto a surface; releasing an aqueous solution from a solution dispenser so as to contact the powder bed, 5 thereby forming a solution-impregnated humid material; letting the solution-impregnated humid material agglomerate in substantially shear-less conditions to form an agglomerated humid material, the solution-impregnated humid material being supported by the surface; and drying the agglomerated humid material, thereby forming the particles.

Mesoporous silica and stationary phases and solid phase sorbents therefrom

A method to form mesoporous silica by a sol-gel process that has an acid catalyzed hydrolysis and the base catalyzed condensation of one or more tetraalkoxysilane that gives mesoporous silica and larger pores and high pore volumes. The mesoporous silica is surface modified by a sol-gel process that has an acid catalyzed hydrolysis and condensation of a methyltrialkoxysilane and a substituted trialkoxysilane and/or a hydroxy substituted inorganic or organic polymer to form gel coated mesoporous silica particles having functionality for use as chromatographic supports or a solid phase sorbent.

Iron Sulfate-Based Phosphate Adsorbent

The present invention relates to a process for the preparation of a novel composition, and to the use of the composition as a phosphate adsorbent, in particular for administration in humans or animals.

PURINE BASE ADSORPTION MATERIAL, PURINE BASE ADSORPTION FILTER USING THE SAME, PURINE BASE ADSORPTION COLUMN FILLER, AND PURINE BASE REMOVAL SYSTEM USING THE SAME

A purine base adsorption material contains a 2:1 type layered clay mineral of [(E1m+a/mE2+b)(M1cM2d)(Si4-eAle)O10(OHfF2-f)] and/or its derivative, wherein m is a natural number of 2 to 4; parameters a, b, c, d, e, f satisfy inequalities: 0.2≤a+b<0.75, a≠0, 0≤b, 0≤c≤3, 0≤d≤2, 2≤c+d≤3, 0≤e<4, and 0≤f≤2; E1 is an element of Mg, Al, Si, Sc, Ca, Cr, Sr, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Zr or Ba, and turning into a polyvalent cation between layers; E2 is an element of Na, Li or K, and turning into a monovalent cation between layers; M1 is an element of Mg, Fe, Mn, Ni, Zn or Li; M2 is an element of Al, Fe, Mn or Cr; and the M1 and M2 form an octahedral sheet. 2. The purine base adsorption material according to claim 1 , wherein the 2:1 type layered clay mineral is at least one smectite selected from the group consisting of montmorillonite claim 1 , beidellite claim 1 , nontronite claim 1 , saponite claim 1 , hectorite and stevensite.3. The purine base adsorption material according to claim 1 , wherein the parameters a and b satisfy 0.2≤a+b≤0.6.4. The purine base adsorption material according to claim 1 , wherein the parameter a satisfies 0.12≤a≤0.6.5. The purine base adsorption material according to claim 1 , wherein the E1 is at least one element selected from the group consisting of Mg claim 1 , Al claim 1 , Si claim 1 , Sc claim 1 , Ca claim 1 , Ti claim 1 , V claim 1 , Cr claim 1 , Mn claim 1 , Fe claim 1 , Ni claim 1 , Cu claim 1 , Ga and Zr.6. The purine base adsorption material according to claim 3 , wherein an occupied area per polyvalent cation E1 on a layer plane is in a range of no less than 0.8 nm/cation to no greater than 9 nm/cation.7. The purine base adsorption material according to claim 1 , wherein the 2:1 type layered clay mineral and/or its derivative may have a basal plane spacing of no less than 1.2 nm to no greater than 1.9 nm as measured by X-ray diffraction in a state wetted with water.8. The purine base adsorption material according to claim ...

SORBENT COMPRISING ON ITS SURFACE AN ALIPHATIC UNIT HAVING AN ANIONIC OR DEPROTONIZABLE GROUP FOR THE PURIFICATION OF ORGANIC MOLECULES

The present invention relates to a sorbent comprising a solid support material, the surface of which comprises a residue of a general formula (I), wherein the residue is attached via a covalent single bond to a functional group on the surface of either the bulk solid support material itself or of a polymer film on the surface of the solid support material. Furthermore, the present invention relates to the use of the sorbent according to the invention for the purification of organic molecules, in particular pharmaceutically active compounds, preferably in chromatographic application. 113-. (canceled)15. The sorbent of claim 14 , wherein L comprises at least one —C(O)— moiety.16. The sorbent of claim 14 , wherein h is 1.17. The sorbent of claim 14 , wherein Pis —COOH claim 14 , —SOH claim 14 , —CONH claim 14 , —CONHNH claim 14 , —SONH claim 14 , —POH claim 14 , —PO(OH)(NH) claim 14 , —CO(NHOH) claim 14 , —CO(NH(O—C-alkyl)) claim 14 , —CSNH claim 14 , —NHCONH claim 14 , —N(OH)CONH claim 14 , —NHCSNHor —CSNHNH.18. The sorbent of claim 17 , wherein Pis —COOH.20. The sorbent of claim 19 , wherein Ar is an aromatic ring system wherein one or more hydrogen atoms are substituted by F and/or —CN.21. The sorbent of claim 14 , wherein the surface of the solid support material is covered with a polymer film comprising individual chains which are covalently crosslinked with each other claim 14 , and wherein the individual chains are not covalently bound to the surface of the solid support material.22. The sorbent of claim 21 , wherein the polymer is a polyamine claim 21 , a polyvinylamine claim 21 , a copolymer comprising polyamine or a polymer blend comprising polyamine.23. A method for the purification of organic molecules claim 14 , comprising contacting organic molecules with the sorbent of .24. The method of claim 23 , wherein the organic molecules are pharmaceutically active compounds.25. The method of claim 23 , wherein the organic molecules exhibit a molecular weight in a ...

Dispersible, Reactive Contaminant Capping Material

A sub-aqueous capping material comprising a plurality of compacted particles of a reactive solid material having a dispersion aid homogeneously blended therein, the compacted particles having a specific gravity greater than 1.0, a particle size in the range of about 1/16 inch to about 1 inch, and having a time for disintegration, once in contact with water, of 5 hours or less.

SILICA COMPOSITE MONOLITH AS A SOLID PHASE EXTRACTION MATERIAL

A silica monolith nested in a polymer sponge may be formed by applying a hydrolyzed mixture of siloxanes to a melamine-formaldehyde sponge, and may be used in methods of solid phase extraction. 1. A composite material comprising a silica monolith nested in a melamine-formaldehyde (MF) sponge.2. The composite material of comprising surface sulfonic groups.3. The composite material of comprising a surface cyclodextrin.4. A method of forming a composite material comprising a silica monolith nested in a polymer sponge claim 1 , comprising the step of applying a hydrolyzed mixture of tetramethoxysilane (TMOS) and vinyltrimethoxysilane (VTMS) to a melamine-formaldehyde (MF) sponge.5. The method of comprising the step of mixing a cyclodextrin to the hydrolyzed mixture.6. The method of comprising the further step of functionalizing the silica monolith with sulfonic groups.7. A method of extracting a bisphenol from a sample claim 3 , comprising the step of passing the sample through a composite material as claimed in .8. A method of extracting a peptide from a sample claim 2 , comprising the step of passing the sample through a composite material as claimed in .9. The method of wherein the peptide is a dipeptide. The present invention relates to a composite silica monolith nested in sponge (SiMNS), and the use of silica monolith in environmental studies.Solid phase extraction (SPE) is one of the most widely used techniques for sample preparation because of its capabilities to concentrate analytes at trace/ultra-trace levels for quantification and to remove matrix interference. A desirable SPE cartridge should provide efficient retention, selectivity, and a high capacity for target analytes. Existing SPE cartridges are mostly prepared by packing particle sorbents. Particle sizes of 30-105 μm are usually utilized to balance the diffusional mass-transfer of analytes and the back pressure of cartridges. However, large-size particles often create non-uniform packing and inter- ...

CHROMATOGRAPHIC COMPOSITIONS

Provided herein are stationary phase compositions comprising a chromatographic surface of porous or non-porous core material comprising a surface modifier for use in chromatographic separations. 5. The stationary phase composition of claim 4 , wherein Ris trimethylsilyl.11. The stationary phase composition of claim 10 , wherein Ris trimethylsilyl.12. The stationary phase composition of claim 1 , wherein each b is 0 to 3.13. The stationary phase composition of claim 1 , wherein each b is 0.14. The stationary phase composition of claim 1 , wherein each a is 0 to 3.15. The stationary phase composition of claim 1 , wherein each a is 0.16. The stationary phase composition of claim 1 , wherein each x is 0 to 4.17. The stationary phase composition of claim 1 , wherein each x is 0.18. The stationary phase composition of claim 1 , wherein each y is 0 to 4.19. The stationary phase composition of claim 1 , wherein each y is 0.20. The stationary phase composition of claim 1 , wherein each Rand Rare independently aryl or (C-C)alkyl optionally substituted with cyano. This application claims benefit of and priority to U.S. Provisional Application Nos. 62/472,342 entitled “Chromatographic Compositions” filed Mar. 16, 2017, and 62/543,654 entitled “Chromatographic Compositions” filed Aug. 10, 2017, the contents of each of which are incorporated herein by reference in their entirety.The technology relates generally to chromatographic compositions. The invention relates more particularly, in various embodiments, to stationary phase compositions comprising a chromatographic surface of porous or non-porous core material comprising a surface modifier for use in chromatographic separations.Liquid chromatography (LC) combined with mass spectrometry (MS) is one of the most powerful analytical tools for the characterization of proteins. Indeed, for the analysis of biopharmaceuticals, reversed phase liquid chromatography (RPLC) coupled with MS is frequently relied upon for measuring intact ...

CHROMATOGRAPHIC MEDIUM

Provided is a chromatographic medium capable of separating and detecting target substances without the use of other components. A chromatographic medium having a separating agent layer, which is used to separate target substances, a filling agent layer, which is used to fix the target substances before the target substances are separated, and a permeation layer, which is used to enable permeation of the target substances separated by the separating agent layer, wherein the filling agent layer comes into contact with the separating agent layer via a plane that intersects the direction of development of the target substances in the chromatographic medium and is positioned on the upstream side in the direction of development, the separating agent layer exhibits separability of the target substances and exhibits optical responsiveness to ultraviolet rays, and the permeation layer exhibits optical responsiveness that are different from those of the target substances and the separating agent layer. 1. A chromatographic medium comprising:a separating agent layer, which is used to separate target substances;a filling agent layer, which is used to fix the target substances before the target substances are separated; anda permeation layer, which is used to enable permeation of the target substances separated by the separating agent layer,wherein the filling agent layer comes into contact with the separating agent layer via a plane that intersects a direction of development of the target substances in the chromatographic medium and is positioned on the upstream side in the direction of development,the separating agent layer exhibits separability of the target substances and exhibits optical responsiveness to ultraviolet rays, andthe permeation layer exhibits optical responsiveness that are different from those of the target substances and the separating agent layer.2. The chromatographic medium according to claim 1 , wherein the filling agent layer is laminated in a region of ...

CHIRAL SEPARATION OF delta8-THC, delta9-THC, AND RELATED ENANTIOMERS USING CO2-BASED CHROMATOGRAPHY

The present disclosure generally relates to methods for separating Δ 8 -THC, Δ 9 -THC, and related enantiomers using CO 2 -based chromatography.

OXYGEN ABSORBING AND CARBON DIOXIDE EMITTING COMPOSITION

A composition that absorbs oxygen and emits carbon dioxide in response to absorbing oxygen including ascorbic acid, an organic acid, a catalyst that promotes oxidation of the organic acid and emission of carbon dioxide and a soluble transition metal salt characterized by multiple oxidation states. 1. A composition that absorbs oxygen and emits carbon dioxide in response to absorbing oxygen comprising:ascorbic acid;organic acid;a catalyst that promotes oxidation of the organic acid and emission of carbon dioxide; anda transition metal salt characterized by multiple oxidation states.2. The composition of wherein the organic acid is selected from: ethanedioic acid (oxalic acid) (HCH); 2 claim 1 ,3-dihydroxybutanedioic acid (tartaric acid) (CHO); 2-Hydroxypropanoic acid (lactic acid) (CHO); hydroxybutanedioic acid (malic acid) (CHO); (Z)-butenedioic acid (maleic acid) (CHO); 2-hydroxypropane-1 claim 1 ,2 claim 1 ,3-tricarboxylic acid (citric acid) (CHO); propanedioic acid (malonic acid) (CHO); hydrates thereof; adducts thereof; and combinations thereof.3. The composition of wherein the catalyst is selected from: zinc chloride (ZnCl); aluminum sulfate (Al(SO)); magnesium chloride (MgCl); hydrates thereof; and combinations thereof.4. The composition of further comprising a base selected from: sodium hydroxide (NaOH); calcium hydroxide (Ca(OH)); magnesium hydroxide (Mg(OH)); and combinations thereof.5. The composition of wherein the transition metal salt is selected from: cupric sulfate (copper(II) sulfate) (CuSO); ferrous sulfate (iron(II) sulfate) (FeSO); manganese(II) chloride (MnCl); cobalt(II) chloride (CoCl); hydrates thereof; adducts thereof; and combinations thereof.6. The composition of further comprising:{'sub': 2', '2', '2', '4', '32', '18', '8', '6', '18', '24', '6, 'a promoter selected from: Ethylenediaminetetraacetic Acid, Disodium Salt, Dihydrate (disodium EDTA) (NaEDTA); Sodium oxalate (NaCO); phthalocyanine (CHN); (1R,2R,3S,4S,5R,6S)-cyclohexane-1,2,3,4,5, ...

SYNTHESIS OF 4-PHENYL-1,2,3-TRIAZOLE FUNCTIONALIZED SBA-15 AND ITS APPLICATION THEREOF

A functionalized silica sorbent is described. The sorbent comprises mesoporous silica nanoparticles having a surface functionalized with a conjugated system comprising an azole and a phenyl. The surface may be functionalized by a Cu-catalyzed click reaction. The nanoparticles have an average particle size of 10-80 nm, and may be used to adsorb phenolic contaminants from aqueous solutions. 1. A functionalized silica sorbent comprising:{'sub': 8', '16, 'porous silica nanoparticles having a surface functionalized with a conjugated system attached by an alkyl chain of length C-C,'}wherein the conjugated system comprises an azole group and a phenyl group, andwherein the porous silica nanoparticles have an average particle size of 10-80 nm.2. The functionalized silica sorbent of claim 1 , wherein the porous silica nanoparticles are clustered in agglomerates having an average diameter of 1-4 μm.3. The functionalized silica sorbent of claim 1 , wherein the porous silica nanoparticles have an average pore size in a range of 4-9 nm.4. The functionalized silica sorbent of claim 1 , wherein the porous silica nanoparticles have a BET surface area of 200-380 m/g.5. The functionalized silica sorbent of claim 1 , wherein the porous silica nanoparticles have a total pore volume in a range of 0.380-0.700 cm/g.6. The functionalized silica sorbent of claim 1 , wherein the conjugated system consists of a triazole group and a phenyl group.7. The functionalized silica sorbent of claim 6 , wherein the conjugated system is 4-phenyl-1 claim 6 ,2 claim 6 ,3-triazole.8. The functionalized silica sorbent of claim 1 , wherein the alkyl chain has a length of C-C.9. The functionalized silica sorbent of claim 1 , which has 3-12 wt % N relative to a total weight of the functionalized silica sorbent.10. The functionalized silica sorbent of claim 1 , which has 50-58 wt % Si relative to a total weight of the functionalized silica sorbent.11. A method for producing the functionalized silica sorbent of ...