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Применить Всего найдено 7961. Отображено 199.
10-10-2002 дата публикации

КАТАЛИЗАТОР ДЛЯ СИНТЕЗА МЕТИЛМЕРКАПТАНА И СПОСОБ ЕГО ПОЛУЧЕНИЯ

Номер: RU2190467C2

Изобретение относится к катализатору для синтеза метилмеркаптана и способу его получения. Описываются катализатор, предназначенный для синтеза метилмеркаптана из сероводорода и метанола, а также способ получения этого катализатора. Катализатор состоит из активного оксида алюминия, на который осаждением наносят 5 - 25 мас.% вольфрамата калия в качестве промотора. Благодаря импрегнированию, осуществляемому по двустадийному механизму с промежуточной сушкой, получают катализатор, который по сравнению с катализаторами, получаемыми одностадийным методом импрегнирования, обладает значительно более высокой селективностью при синтезе метилмеркаптана. 2 с. и 3 з.п. ф-лы, 1 табл., 3 ил.

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20-10-2002 дата публикации

КАТАЛИЗАТОР ДЛЯ СИНТЕЗА МЕТИЛМЕРКАПТАНА И СПОСОБ ЕГО ПОЛУЧЕНИЯ

Номер: RU2191069C2

Изобретение относится к катализатору, предназначенному для синтеза метилмеркаптана из метанола и сероводорода, а также к способу получения этого катализатора. Описываются катализатор, предназначенный для синтеза метилмеркаптана из сероводорода и метанола, а также способ получения этого катализатора. Катализатор состоит из активного оксида алюминия, на который осаждением наносят 15-40 мас.% вольфрамата цезия в качестве промотора. По сравнению с преимущественно применяемым в уровне техники вольфраматом калия промотор вольфрамат цезия обеспечивает неожиданное повышение каталитической активности и селективности. 2 с. и 1 з.п. ф-лы, 2 табл.

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08-07-2024 дата публикации

СПОСОБ ПОЛУЧЕНИЯ КАТАЛИЗАТОРА, КАТАЛИЗАТОР, ПОСРЕДСТВОМ НЕГО, И СПОСОБ ПОЛУЧЕНИЯ ЭТИЛЕННЕНАСЫЩЕННЫХ КАРБОНОВЫХ КИСЛОТ ИЛИ ЭФИРОВ

Номер: RU2822513C2

Настоящее изобретение относится к способам получения катализаторов. Предложен способ получения катализатора, включающий стадии: a) обеспечения непрокаленной пористой подложки из модифицированного металлом, где подложка из диоксида кремния имеет средний размер пор 2-1000 нм, где данная подложка из диоксида кремния содержит изолированные силанольные группы (-SiOH) в количестве ˂2,5 групп на нм2 и где металл-модификатор выбран из одного или более металлов из бора, магния, алюминия, циркония, гафния и титана, где металл-модификатор присутствует в виде моно- или динуклеарных частиц металла-модификатора; b) необязательно удаления любого растворителя или жидкого носителя из подложки на основе модифицированного диоксида кремния; c) необязательно сушки подложки на основе модифицированного диоксида кремния; d) обработки непрокаленной подложки на основе модифицированного металлом диоксида кремния каталитическим металлом, чтобы вызвать адсорбцию каталитического металла на подложке на основе модифицированного ...

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10-02-2016 дата публикации

СПОСОБ И МИКРОСТРУКТУРА ДЛЯ ЭПОКСИДИРОВАНИЯ

Номер: RU2575132C2

Изобретение относится к катализатору для эпоксидирования этилена. Данный катализатор содержит каталитически эффективное количество серебра, промотирующее количество рения и цезия. При этом негомогенная микроструктура катализатора включает серебро и рений-цезиевую интерметаллическую фазу, причем концентрация рения и цезия в данной интерметаллической фазе является более высокой, чем концентрация серебра. Предлагаемый катализатор позволяет селективно окислять этилен в этиленоксид молекулярным кислородом при высоких уровнях конверсии этилена и кислорода. 5 з.п. ф-лы, 10 ил., 1 пр.

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14-12-2022 дата публикации

КОМПОЗИЦИИ АКТИВНЫХ КОМПОНЕНТОВ КРЕМНЕЗЕМНО-ГЛИНОЗЕМНОЙ МАТРИЦЫ ДЛЯ КАТАЛИЗАТОРОВ КРЕКИНГА КУБОВЫХ ОСТАТКОВ

Номер: RU2785909C2
Принадлежит: БАСФ КОРПОРЕЙШН (US)

Изобретение относится к вариантам каталитической композиции для крекинга кубовых остатков, к вариантам способа изготовления катализатора крекинга кубовых остатков, а также к вариантам способа крекинга углеводородного сырья. Один из вариантов каталитической композиции для крекинга кубовых остатков содержит: от около 30 до около 60 % мас. глинозема; от более 0 до около 10 % мас. легирующей добавки; от около 2 до около 20 % мас. реакционноспособного кремнезема; от около 3 до около 20 % мас. компонента; от около 10 до около 50 % мас. каолина. Легирующая добавка включает иттербий, гадолиний, церий, лантан, иттрий, барий, магний или смесь любых двух или более из них, измерена в виде оксида. Легирующая добавка импрегнирована в глинозем или нанесена на глинозем покрытием, или осаждена совместно с глиноземом. Компонент содержит пептизируемый бомит, коллоидный кремнезем, оксихлорид алюминия или комбинацию любых двух или более из них. Технический результат изобретения заключается в разработке каталитической ...

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20-03-2010 дата публикации

КАТАЛИЗАТОРЫ, КОТОРЫЕ СОДЕРЖАТ ГАЛОГЕНИДСОДЕРЖАЩИЕ ВОЛЬФРАМАТЫ ЩЕЛОЧНЫХ МЕТАЛЛОВ, ДЛЯ СИНТЕЗА АЛКИЛМЕРКАПТАНОВ И СПОСОБ ИХ ПРИГОТОВЛЕНИЯ

Номер: RU2384364C2
Принадлежит: ДЕГУССА ГМБХ (DE)

Изобретение относится к катализатору, содержащему вольфрамат щелочного металла, содержащему по меньшей мере один галогенид, где щелочнометаллический компонент выбран из группы, включающей Cs, Rb, или под щелочнометаллическим компонентом подразумевается комбинация из двух связанных щелочных металлов, в том числе и в отличном от 1:1 соотношении между ними, выбранная из группы, включающей а) калий и цезий, б) натрий и цезий, в) рубидий и цезий. Также изобретение раскрывает способ приготовления содержащего вольфрамат щелочного металла нанесенного катализатора и способ получения алкилмеркаптанов. Катализатор обладает высокой активностью и селективностью, что позволяет повысить выход алкилмеркаптанов и экономическую эффективность процесса их получения. 3 н. и 25 з.п. формулы, 1 табл.

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27-04-2010 дата публикации

СОДЕРЖАЩИЕ ВОЛЬФРАМАТ КАТАЛИЗАТОРЫ СИНТЕЗА АЛКИЛМЕРКАПТАНА И СПОСОБ ИХ ПРИГОТОВЛЕНИЯ

Номер: RU2387476C2
Принадлежит: ДЕГУССА АГ (DE)

Изобретение относится к содержащему вольфрамат щелочного металла катализатору синтеза алкилмеркаптанов из алканолов и сероводорода, а также способу приготовления такого катализатора. Катализатор для синтеза алкилмеркаптанов содержит носитель или вещество-носитель и каталитически активный вольфрамат, содержащий по меньшей мере один химически связанный щелочной металл и вольфрам, соответствующий общей формуле AxWOy, в которой А обозначает по меньшей мере один щелочной металл (при условии, что цезий может присутствовать только в комбинации с другим элементом из группы щелочных металлов), х обозначает число от 0,9 до менее 2, а у обозначает число от 3,4 до менее 4. Способ приготовления содержащего вольфрамат щелочного металла катализатора, заключающийся в том, что а) носители или вещество-носитель пропитывают водным раствором, содержащим растворимые соединения щелочного(-ых) металла(-ов) и вольфрама в требуемом молярном соотношении между щелочным(-ыми) металлом(-ами) и вольфрамом, б) полученные ...

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23-03-2017 дата публикации

Способ получения железо-калиевого катализатора для дегидрирования метилбутенов, катализатор, полученный этим способом, и способ дегидрирования метилбутенов с использованием этого катализатора

Номер: RU2614144C1

Изобретение относится к способу получения железо-калиевых катализаторов для дегидрирования метилбутенов в изопрен. Способ получения железо-калиевого катализатора для дегидрирования метилбутенов осуществляют следующим образом: проводят смешение компонентов катализатора в следующем соотношении, мас. %: оксид магния 0,5÷10, соединения калия 5÷30, карбонат кальция 1÷10, соединения церия в пересчете на диоксид 5÷20 и молибдена в пересчете на триоксид 0,5-5, оксид железа (3) – остальное, образующуюся катализаторную массу с влажностью 10-16% формуют, сушат при температуре 100÷120°С и прокаливают при температуре 650÷850°С. Способ отличается тем, что в качестве компонента катализаторной массы берут измельченный и фракционированный до 0,2 мм отработанный катализатор для дегидрирования метилбутенов, перед получением катализаторной массы предварительно определяют состав отработанного катализатора, определяют количество недостающих компонентов из вышеуказанных, которые добавляют в катализаторную массу ...

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20-11-2009 дата публикации

СПОСОБ ПОЛУЧЕНИЯ ХЛОРА ОКИСЛЕНИЕМ ХЛОРИСТОГО ВОДОРОДА

Номер: RU2373139C1

Изобретение относится к технологии производства галогенов и может быть использовано в химической промышленности. Способ получения хлора включает окисление хлористого водорода при 270-370°С молекулярным кислородом в присутствии катализатора на основе ванадиевого ангидрида. В качестве компонентов катализатора используют хлориды калия и лития при следующем соотношении, мас.% от общей массы катализатора: KCl - 4-52, LiCl - 3-43, V2O5 - 15-85. Изобретение позволяет повысить скорость окисления хлористого водорода и снизить температуру процесса.

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27-05-1995 дата публикации

СПОСОБ ПОЛУЧЕНИЯ АРИЛЗАМЕЩЕННЫХ ЭФИРОВ ПРОПИОНОВОЙ КИСЛОТЫ

Номер: RU2036192C1
Автор: Лин-Чен Ю[US]

Сущность изобретения: продукт-арилзамещенный эфир пропионовой кислоты ф-лы 1, где R1и R2 и C1-C4 -линейный или разветвленный алкил; R3 - водород или C1 -C4 -линейный или разветвленный алкил; R4- C1-C4 -линейный или разветвленный алкил, которые могут быть одинаковыми или отличаться друг от друга. Чистота 97-96% , конверсия 96%. Реагент 1: пространственно-затрудненный фенол, например, 2,6-ди-трет.бутилфенол. Реагент 2: акрилат, например, метилакрилат. Условия реакции: в присутствии основного катализатора, взятого количестве в 15-30 мол.% на 1 моль фенола; в присутствии комплексообразователя, взятого в количестве 30-65 мол.% на 1 моль фенола при 110-200°С, подвергают взаимодействию фенола с катализатором, затем выводят по крайней мере 95% побочных продуктов, а затем добавляют весь или почти весь акрилат. 6 з.п. ф-лы.

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10-04-1997 дата публикации

СПОСОБ ОЧИСТКИ ОТХОДЯЩИХ ГАЗОВ ОТ ОКИСЛОВ СЕРЫ

Номер: RU2076771C1
Принадлежит: Хальдор Топсеэ А/С (DK)

Изобретение относится к способам очистки отходящих газов от окислов серы. Сущность способа заключается в контактировании очищаемых газов с неподвижным слоем адсорбента на основе V2O5, нанесенного на пористый носитель из SiO2 с объемом пор 0,3-1 см3 /г, содержащий пиросульфаты натрия и/или калия, при 250-400oС и при молярном соотношении калия и натрия к ванадию, равном 2-4 и 0-1 соответственно. Отработанный адсорбент подвергают регенерации путем контактирования с воздухом при 500-650oС с последующей подачей получаемого при этом газового потока на получение H2SO4. При этом часть используемого для регенерации воздуха рециркулируют в неподвижный слой адсорбента. 3 з.п.ф-лы, 1 ил.

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01-11-2023 дата публикации

ГЕТЕРОГЕННЫЙ КАТАЛИЗАТОР ДЛЯ ВЫСОКОТЕМПЕРАТУРНОГО ДЕГИДРИРОВАНИЯ ПРОПАНА И СПОСОБ ПОЛУЧЕНИЯ ПРОПИЛЕНА С ЕГО ИСПОЛЬЗОВАНИЕМ

Номер: RU2806558C1

Изобретение относится к гетерогенному катализатору для синтеза пропилена методом высокотемпературного дегидрирования пропана, представляющему собою порошок молибдата лантана, полученный методом взаимодействия гексагидрата нитрата лантана La(NO3)3⋅6H2O и дигидрата молибдата калия K2MoO4⋅2H2O, или молибдата празеодима, полученный методом взаимодействия гексагидрата нитрата празеодима Pr(NO3)3⋅6H2O и дигидрата молибдата калия K2MoO4⋅2H2O, с последующим прокаливанием полученного осадка в муфельной печи при температуре 700°C в течение 3 часов, содержащих легирующую примесь ионов калия от 0,05 до 0,10 мас.%. Также изобретение относится к способу дегидрирования пропана. Предлагаемый катализатор является эффективным. 2 н. и 1 з.п. ф-лы, 2 ил., 3 табл., 5 пр.

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20-01-2005 дата публикации

КАТАЛИЗАТОР КОНВЕРСИИ SO2 В SO3

Номер: RU2244590C1

Катализатор конверсии SO2 в SO3 содержит активные компоненты -оксиды ванадия, щелочного металла (К, Na, Rb, Cs), серы и кремнеземистый каркас, сформированный из природного и/или синтетического кремнезема и включающий поры с радиусом до 65000 , при этом доля пор с радиусами более 10000 не превышает 50%, содержание нерастворимых в серной кислоте соединений ванадия не превышает (в пересчете на V2O5) 4,0% (мас.). В каркасе доля пор с радиусом 1000-10000 составляет не менее 35%, доля пор с радиусом менее 1000 составляет не более 60%, в том числе доля пор с радиусом менее 75 составляет не более 9%. Техническая задача изобретения - улучшение эксплуатационных характеристик катализатора, работающего в зонах реактора при средних и максимальных температурах, путем повышения активности при температурах 420-530°С. 2 з.п. ф-лы, 1 табл.

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27-04-2005 дата публикации

КАТАЛИЗАТОР, СПОСОБ ЕГО ПРИГОТОВЛЕНИЯ И СПОСОБ ИЗОМЕРИЗАЦИИ ОЛЕФИНОВ С ИСПОЛЬЗОВАНИЕМ ЭТОГО КАТАЛИЗАТОРА

Номер: RU2250802C1

Настоящее изобретение относится к области нанесенных на углеродные материалы катализаторов основной природы, представляющих интерес для процессов изомеризации олефинов. Описан катализатор изомеризации олефинов, содержащий металлический натрий, нанесенный на композитный пористый углеродный материал, который представляет собой трехмерную пористую углеродную матрицу со следующими структурными характеристиками: d002=0,343-0,350 нм, средний размер кристаллита по направлению “a”-La=1-14 нм, средний размер кристаллита по направлению “с”-Lc=2-12 нм, истинной плотностью 1,8-2,1 г/см3, с распределением пор по размерам, имеющим максимум в области 20-200 нм и дополнительный максимум в области 1-20 нм. Описаны также способ приготовления катализатора, включающий нанесение металлического натрия на описанный выше композитный пористый углеродный материал, и способ изомеризации олефинов с использованием этого катализатора. Технический результат - высокая каталитическая активность и селективность, снижение ...

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27-02-2002 дата публикации

КАТАЛИЗАТОР ПИРОЛИЗА УГЛЕВОДОРОДНОГО СЫРЬЯ

Номер: RU2179884C1

Катализатор применим при пиролизе углеводородного сырья для получения ненасыщенных углеводородов, являющихся сырьем для производства полимеров и каучуков. Сущность изобретения: в катализаторе пиролиза углеводородного сырья, включающем активный компонент и носитель - каолин и шамотный порошок, предлагается в качестве активного компонента использовать оксид ванадия и углекислый калий и дополнительно вводить в состав катализатора модификатор - ацетат натрия, при этом катализатор содержит указанные компоненты в следующем количестве: оксид ванадия 2,0-6,0 мас.%; углекислый калий 1,0-6,0 мас.%; ацетат натрия 0,05-3,0 мас. %; каолин 12,0-35,0 мас.%; шамотный порошок - остальное. Предложенный катализатор позволяет повысить выход этилена и пропилена до 52-54 мас.% и снизить выход кокса до 0,5 мас.%. 1 табл.

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20-12-2008 дата публикации

СПОСОБ ПОЛУЧЕНИЯ УГЛЕВОДОРОДОВ C2-C3

Номер: RU2341507C1

Изобретение относится к способу получения углеводородов С2-С3высокотемпературным каталитическим окислительным превращением метана, заключающемуся в подаче в реактор, в который помещен катализатор, а свободный объем которого заполнен инертной насадкой, исходной газовой смеси, содержащей смесь метана и молекулярного кислорода, со скоростью 50000-70000 мл/г/ч, причем катализатор включает в свой состав ионы щелочного металла, марганца, вольфрама и оксид кремния при мольных соотношениях M:W:Mn:Si, где M - Na, или К, или Rb, или Cs, равных 1,8-2,2:1:1,9-2,3:89-92, и характеризуется присутствием в нем вольфрама в степени окисления W6+, марганца - в степенях окисления Mn7+, Mn6+, Mn3+, при этом катализатор получают путем термообработки при 200°С и последующего прокаливания при температуре 795-799°С исходной твердой порошкообразной смеси, состоящей из солей и/или оксидов вольфрама, марганца, щелочного металла и SiO2, взятых в вышеуказанных мольных соотношениях в расчете на моль атомов вольфрама, ...

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10-10-2005 дата публикации

СПОСОБ ПОЛУЧЕНИЯ КАТАЛИЗАТОРА НА ОСНОВЕ ОКСИДА АЛЮМИНИЯ И ЕГО ПРИМЕНЕНИЕ (ВАРИАНТЫ)

Номер: RU2004112218A
Принадлежит:

... 1. Способ получения катализатора, включающего оксид алюминия, пропитанный основанием, которое выбирают из гидроксидов щелочных металлов, отличающийся тем, что проводят обработку водного раствора гидроксида щелочного металла оксидом алюминия в органическом растворителе и высушивают полученную смесь катализатора при температуре менее 150°С. 2. Способ по п.1, отличающийся тем, что органический растворитель выбирают из группы, включающей дихлорметан, диоксан, толуол, ацетонитрил или диметилформамид (ДМФ). 3. Применение катализатора, полученного по п.1, в качестве средства для введения защитных групп. 4. Применение по п.3 для введения защитных групп в амины, представляющие собой первичные или вторичные амины, выбранные из ряда, включающего ароматические, алифатические, гетероциклические или циклические амины. 5. Применение по п.3 для введения защитных групп в тиолы, представляющие собой первичные, вторичные или третичные тиолы, выбранные из ряда, включающего ароматические, алифатические, гетероциклические ...

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20-07-2016 дата публикации

СПОСОБ ОБРАБОТКИ ДИЦИКЛОПЕНТАДИЕНОВОГО МОНОМЕРА

Номер: RU2014151771A
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... 1. Способ обработки, включающий обработку, по меньшей мере, одной композиции мономера, полимеризуемой с помощью реакции метатезиса, имеющей чистоту меньше, чем 95% масс. дициклопентадиенового мономера, с помощью добавки для обработки, до полимеризации композиции мономера, полимеризуемого с помощью реакции метатезиса, так что для обработанной композиции, отверждаемой с помощью реакции метатезиса, используется пониженное количество катализатора реакции метатезиса, по сравнению с отверждаемой необработанной композицией.2. Способ по п. 1, в котором добавка для обработки содержит щелочной металл, окисленный щелочной металл или их смеси.3. Способ по п. 2, в котором щелочной металл содержит натрий, калий или смеси их.4. Способ по п. 2, в котором окисленный щелочной металл содержит NaO, KO или их смеси.5. Способ по п. 1, в котором добавка для обработки наносится в виде покрытия на твердый носитель, и твердый носитель выбирают из группы, состоящей из оксида алюминия, оксида кремния, углерода, цеолитов ...

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10-02-2005 дата публикации

КАТАЛИЗАТОР КОНВЕРСИИ SO2 В SO3

Номер: RU2003122273A
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... 1. Катализатор конверсии SO2 в SO3, содержащий активные компоненты - оксиды ванадия, щелочного металла (К, Na, Rb, Cs), серы и кремнеземистый каркас, сформированный из природного и/или синтетического кремнезема и включающий поры с радиусами до 65000 , при этом в каркасе доля пор с радиусами более 10000 не превышает 50%, а содержание нерастворимых в серной кислоте соединений ванадия (в пересчете на V2О5) не превышает 4,0% (мас.), отличающийся тем, что в каркасе доля пор с радиусами 1000-10000 составляет не менее 35%, доля пор с радиусами менее 1000 составляет не более 60%, в том числе доля пор с радиусами менее 75 составляет не более 9%. 2. Катализатор по п.1, отличающийся тем, что в каркасе доля пор с радиусами менее 1000 предпочтительно составляет не более 40%, а доля пор с радиусами 1000-1000 составляет не менее 50%. 3. Катализатор по п.1, отличающийся тем, что содержание в каркасе нерастворимых в серной кислоте соединений ванадия (в пересчете на V2О5), предпочтительно не превышает 1,5% ...

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13-12-2018 дата публикации

КОМБИНИРОВАННЫЙ КАТАЛИЗАТОР И СПОСОБ ПОЛУЧЕНИЯ ОБОГАЩЁННОГО ТРИПТАНОМ ЭКОЛОГИЧЕСКИ ЧИСТОГО ВЫСОКООКТАНОВОГО БЕНЗИНА В ЕГО ПРИСУТСТВИИ

Номер: RU2674769C1

FIELD: manufacturing technology.SUBSTANCE: present invention relates to the production of high-octane gasoline with a low content of aromatics, but with a high content of triptane (2,2,3-trimethylbutane), and can be used in the field of production of motor fuel. Combined catalyst for producing ecologically clean gasoline enriched with triptane includes modified zeolites HZSM-5 and HY with their mass ratio of 1:1–1:2, and the modified zeolite HZSM-5 has the following composition, wt. %: zeolite HZSM-5 with SiO/AlO= 37, containing not more than 0.04 wt. % sodium oxide – 50–70, Mg – 0.1–2.0, alumina – the rest, and the modified zeolite HY has the following composition, wt. %: zeolite HY with SiO/AlO= 2.73, containing not more than 0.02 wt. % sodium oxide – 50–70, Pd – 0.1–1.0, lanthanum oxide – 0.5–3.5, aluminum oxide – the rest. Method for producing an enriched triptane environmentally friendly gasoline with an octane number of at least 90 points by a research method involves the conversion of DME and/or methanol in the presence of the specified combined catalyst.EFFECT: technical result consists in obtaining a gasoline enriched with triptane, increasing the selectivity for highly branched C-hydrocarbons, reducing the content of aromatic hydrocarbons in products, in particular durol, the ecological cleanness of the product.2 cl, 17 ex, 1 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) (19) RU (51) МПК B01J 29/12 B01J 29/40 B01J 23/04 B01J 23/02 B01J 23/10 B01J 23/44 B01J 21/12 (11) (13) 2 674 769 C1 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B01J 29/12 (2006.01); B01J 29/40 (2006.01); B01J 23/04 (2006.01); B01J 23/02 (2006.01); B01J 23/10 (2006.01); B01J 23/44 (2006.01); B01J 21/12 (2006.01) (21)(22) Заявка: 2017123910, 06.07.2017 06.07.2017 Дата регистрации: 13.12.2018 (45) Опубликовано: 13.12.2018 Бюл. № 35 2 6 7 4 7 6 9 R U (56) Список документов, цитированных в ...

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27-07-2006 дата публикации

КАТАЛИЗАТОР ДЛЯ УДАЛЕНИЯ СОЕДИНЕНИЙ СЕРЫ ИЗ ПРОМЫШЛЕННЫХ ГАЗОВ И СПОСОБ ЕГО ПОЛУЧЕНИЯ

Номер: RU2280505C1

Изобретение относится к катализаторам для очистки отходящих серусодержащих газов по способу Клауса и может найти применение в процессах очистки отходящих газов на предприятиях газовой, нефтяной, химической промышленности, черной и цветной металлургии. Задачей, решаемой настоящим изобретением, является разработка катализатора с повышенной прочностью и с повышенной активностью одновременно в трех реакциях процесса Клауса: окисление сероводорода диоксидом серы; окисление сероводорода диоксидом серы в присутствии кислорода; гидролиз карбонилсульфида и способа получения катализатора. Поставленная задача решается с помощью катализатора для удаления соединений серы из промышленных газов, включающего оксиды титана, ванадия, сульфат кальция и модифицирующее соединение металла. В качестве модифицирующего соединения металла катализатор содержит, по крайней мере, одно соединение металла, выбранное из оксидов щелочных металлов: К, Na, Cs или их смесь при следующем соотношении компонентов в катализаторе ...

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21-03-2018 дата публикации

КАТАЛИЗАТОР ДЛЯ ОКИСЛИТЕЛЬНОЙ КОНДЕНСАЦИИ МЕТАНА И СПОСОБ ЕГО ПОЛУЧЕНИЯ

Номер: RU2647844C1

Изобретение относится к технологии переработки метансодержащих газов, например природного газа, шахтного метана и т.п. для получения Суглеводородов путем окислительной конденсации метана (ОКМ) при атмосферном давлении и повышенной температуре в присутствии катализатора. Заявляется катализатор для окислительной конденсации метана до Суглеводородов, содержащий оксиды натрия, марганца и тугоплавкого металла, нанесенные на силикагель, при этом в качестве силикагеля он содержит водостойкий, стабилизированный 5 мас.% метасиликата кальция, бипористый силикагель, а в качестве тугоплавкого металла - молибден, при следующем соотношении ингредиентов (мас.%): оксид марганца (MnO) 10-17, оксид молибдена (МoO) 12-16, оксид натрия (NaO) 5,2-6,9 и водостойкий, стабилизированный 5 мас.% CaSiO, бипористый силикагель - остальное. Также изобретение относится к способу получения заявленного катализатора путем пропитки силикагеля водными растворами солей с последующими сушкой при 110°С - 4 ч и прокаливанием ...

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27-06-1997 дата публикации

КАТАЛИЗАТОР ДЛЯ ОБРАБОТКИ ГАЗОВ, СОДЕРЖАЩИХ СОЕДИНЕНИЯ СЕРЫ, И СПОСОБ ОБРАБОТКИ УКАЗАННОГО ГАЗА

Номер: RU95113142A
Принадлежит:

... 1. Катализатор для обработки газов, содержащих соединения серы, и/или гидролиза органических соединений серы, содержащий в качестве основного компонента каталитически активный оксид алюминия, содержащий натрий, отличающийся тем, что содержащие натрия в оксиде алюминия выбрано в интервале, лежащем между 1200 ппм и 2700 ппм NaO мас.2. Катализатор по п. 1, отличающийся тем, что содержание натрия в оксиде алюминия выбрано в интервале, лежащем между 1500 ппм и 2500 ппм NaO.3. Катализатор по пп. 1 или 2, отличающийся тем, что он содержит 0,5 - 100 мас. % указанного оксида алюминия, содержащего натрия, предпочтительно 60-90 %.4. Способ обработки газа, содержащего соединения серы, путем пропускания газа через слой катализатора, состоящего из частиц катализатора, отличающийся тем, что используют катализатор по крайней мере часть частиц которого имеет содержание натрия в оксиде аллюминия, выбранное в интервале, лежащем между 1200 ппм и 2700 ппм NaO мас.

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20-06-2011 дата публикации

ПРИМЕНЕНИЕ КРИСТАЛЛИЧЕСКИХ АЛЮМОСИЛИКАТОВ (ЦЕОЛИТОВ), СОДЕРЖАЩИХ КИСЛОТНЫЕ ЦЕНТРЫ ИЗ ИОНОВ ОКИСЛОВ ЛИТИЯ, НАТРИЯ, РУБИДИЯ, ЦЕЗИЯ ДЛЯ КАТАЛИЗА РЕАКЦИИ ПРЯМОГО ПРИСОЕДИНЕНИЯ СИНИЛЬНОЙ КИСЛОТЫ К АЦЕТИЛЕНУ С ЦЕЛЬЮ ПОЛУЧЕНИЯ АКРИЛОНИТРИЛА

Номер: RU2009145601A
Автор:
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... 1. Кристаллический алюмосиликат, содержащий следующее соотношение ингредиентов, вес.%: окись лития 7,19; окись алюминия 24,46; окись кремния 68,35 используется для катализа реакции прямого присоединения синильной кислоты к ацетилену с целью получения акрилонитрила. ! 2. Кристаллический алюмосиликат, содержащий следующее соотношение ингредиентов, вес.%: окись натрия 13,81; окись алюминия 22,72; окись кремния 63,47 используется для катализа реакции прямого присоединения синильной кислоты к ацетилену с целью получения акрилонитрила. ! 3. Кристаллический алюмосиликат, содержащий следующее соотношение ингредиентов, вес.%: окись калия 19,54; окись алюминия 21,21; окись кремния 59,25 используется для катализа реакции прямого присоединения синильной кислоты к ацетилену с целью получения акрилонитрила. ! 4. Кристаллический алюмосиликат, содержащий следующее соотношение ингредиентов, вес.%: окись рубидия 32,58; окись алюминия 17,77; окись кремния 49,65 используется для катализа реакции прямого присоединения ...

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23-12-1991 дата публикации

Катализатор для декарбонилирования фурфурола в фуран

Номер: SU1699601A1
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Изобретение касается каталитической химии. Цель изобретения - повышение активности катализатора. Для этого используют состав, содержащий, масД: палладий 0,8-1,2; цезий 0, носитель - остальное. В качестве носителя применяют уголь марки Сибу- нит. Этот катализатор по активности превосходит известный (без цезия) . В процессе декзрбонилировзния фурфурола достигается конверсия до 99% при выходе фурана 97-99% и стабильности в течение 387-397 ч, 1 табл.

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30-11-1989 дата публикации

Катализатор для получения пиридина из тетрагидрофурфурилового спирта и аммиака

Номер: SU1524917A1
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Изобретение относится к каталитической химии, в частности к получению пиридина из тетрагидрофурфурилового спирта и аммиака. Цель - повышение выхода пиридина за счет увеличения активности катализатора и увеличения срока его службы. Катализатор имеет следующее соотношение компонентов, мас.%: оксид хрома 3,0 - 5,0 оксид цинка 6,0-8,0 оксид алюминия - остальное. Катализатор данного состава обладает повышенной активностью - выход пиридина увеличивается до 48% и без регенерации работает 50 ч. 3 табл.

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30-06-1991 дата публикации

"Головоломка "Восьмерка"

Номер: SU1659080A1
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Изобретение относится к занимательным играм-головоломкам и позволяет новы сить занимательность Головоломка содержит основание 1 с поворотным механизмом , состоящим из двух поворотных дисков 2 и 3,пересекающихся между собой с образованием центральных 4 и периферийных 6 фишек В свою очередь, периферийные фишки 6 пересекаются между собой с образованием центральных 9 и концевых 10 частей Все элементы поворотного механизма взаимодействуют между собой и с основанием посредством пазов и выступов В гб 17 центральных фишках 4 в центральных 9 и концевых 10 частях периферийных фишек 6 выполнены центральные посадочные отверстия 11 12 и 13 в которых установлены с возможностью поступательного перемещения и вращения игровые элементы. Каждый игровой элемент имеет цилиндрическую ножку 17 и две игровые головки с игровыми метками, закрепленные на ее концах В зависимости от места установки игрового элемента он имеет игровую головку, выполненную по форме треугольника четырехугольника или шестиугольника Игровые ...

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15-11-1985 дата публикации

Способ получения сложных эфиров

Номер: SU1192623A3
Принадлежит: ПФАЙЗЕР ИНК (ФИРМА)

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07-01-1993 дата публикации

Способ получения 4-гидрокси-2,4,6-триметилциклогекса-2,5-диенона

Номер: SU1787154A3
Принадлежит: РОН-ПУЛЕНК САНТЕ

Изобретение относится к органической химии, конкретно к способу получения 4- гидрокси-2,4,6-триметилциклогекса-2,5-ди- енона, полупродукта в синтезе витамина. Целью изобретения является повышение выхода целевого продукта, увеличение селективности и упрощение процесса. Для этого 2,4,6-триметилфенол обрабатывают хлором в двухфазной системе инертный органический растворитель - вода возможно в присутствии бикарбоната натрия, причем инертный органический растворитель выбирают из группы четыреххлористый углерод, метилтретбутиловый эфир. Данный способ позволяет получать целевой продукт практически без сопутствующей примеси - 3- хлор-2,4,6-триметилфенола с выходом 66,8-90,8%. ел с ...

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25-07-1980 дата публикации

PROCEDURE FOR THE PRODUCTION OF A HYDROXYVER CONNECTION

Номер: AT0000357570B
Автор:
Принадлежит:

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15-05-2010 дата публикации

CATALYST SYSTEM AND PROCEDURE FOR THE RELOCATION FROM EPOXIDEN TO ALLYL ALCOHOLS

Номер: AT0000466829T
Принадлежит:

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15-01-2010 дата публикации

DISPERSION AND STABILIZATION OF REACTIVE HALOGEN ATOMS ON THE SURFACE OF METALLIC OXIDES

Номер: AT0000452702T
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15-09-1976 дата публикации

TRAGERKATALYSATOR FUR DIE OXIDATION VON O-XYLOL ODER NAPHTHALIN ZU PHTHALSAUREANHYDRID

Номер: ATA339075A
Автор:
Принадлежит:

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15-05-1986 дата публикации

REAKTIONSFAEHIGER AKTIVATOR FUER DIE POLYKONDENSATION VON HARNSTOFF- BZW. MELAMINFORMALDEHYD-HARZEN

Номер: ATA229578A
Автор:
Принадлежит:

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15-08-1976 дата публикации

MORE PALLADIUMHALTIGER TRAGERKATALYSATOR TO THE REDUCTION OF NITRO COMPOUNDS

Номер: AT0000022673A
Автор:
Принадлежит:

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15-01-2005 дата публикации

ALDOL CONDENSATION

Номер: AT0000285392T
Принадлежит:

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27-11-1978 дата публикации

PROCEDURE FOR THE PRODUCTION OF ALUMINA USABLE AS CATALYST CARRIER

Номер: AT0000346815B
Принадлежит:

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15-04-1976 дата публикации

TRAGERKATALYSATOR FUR THE OXIDATION FROM O-XYLOL OR NAPHTHALIN TO PHTHALSAUREANHYDRID

Номер: AT0001036173A
Автор:
Принадлежит:

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15-09-1989 дата публикации

PROCEDURE FOR THE PRODUCTION OF S-SUBSTITUTING ISO THIOUREAS.

Номер: AT0000045570T
Принадлежит:

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15-04-1978 дата публикации

PROCEDURE FOR THE PRODUCTION OF ALUMINA USABLE AS KATALYSATORTRAGER

Номер: AT0000877174A
Автор:
Принадлежит:

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15-10-1993 дата публикации

PROCEDURE FOR THE PRODUCTION OF TERT. - ALKYL STAR OF THE SUCCINIC ACID.

Номер: AT0000094865T
Принадлежит:

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15-07-1994 дата публикации

PROCEDURE FOR the PRODUCTION OF 1-PHENYLIMIDAZOLIN 2,5-DION-DERIVATE.

Номер: AT0000107289T
Принадлежит:

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15-11-1990 дата публикации

CARRIER FROM POTASSIUM CARBONATE, YOUR APPLICATIONS IN CATALYSTS AND PROCEDURES.

Номер: AT0000057852T
Принадлежит:

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15-09-1990 дата публикации

CATALYTIC COMPOSITIONS FOR THE ISOMERIZATION AND DISPROPORTIONATION OF OLEFINEN.

Номер: AT0000055558T
Принадлежит:

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15-05-1987 дата публикации

PROCEDURE FOR THE PRODUCTION OF MIXTURES FROM C6C10-FETTS|UREN.

Номер: AT0000027140T
Принадлежит:

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15-11-1993 дата публикации

PROCEDURE FOR THE PRODUCTION OF DIMETHYLDISULFID.

Номер: AT0000096780T
Принадлежит:

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15-06-2000 дата публикации

PROCEDURE FOR THE PRODUCTION OF PARAFORMALDEHYD

Номер: AT0000193308T
Принадлежит:

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15-04-2000 дата публикации

SPLITTING OF OPTICALLY ACTIVE AMIDES

Номер: AT0000191451T
Принадлежит:

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09-05-1991 дата публикации

MIXED BASIC METAL OXIDE CATALYST

Номер: AU0000609949B2
Принадлежит:

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06-12-1990 дата публикации

MIXED BASIC METAL SULFIDE CATALYST

Номер: AU0005594390A
Автор: NAME NOT GIVEN
Принадлежит:

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18-11-2002 дата публикации

HIGH SURFACE AREA, SMALL CRYSTALLITE SIZE CATALYST FOR FISCHER-TROPSCH SYNTHESIS

Номер: AU2002309637A1
Принадлежит:

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11-02-1999 дата публикации

Catalysts for dehydrogenating ethylbenzene to styrene

Номер: AU0007859198A
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11-03-1999 дата публикации

Transesterification process

Номер: AU0008186598A
Принадлежит:

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04-05-2017 дата публикации

Method for ketonisation of biological material

Номер: AU2015334817A1
Принадлежит: Fisher Adams Kelly Callinans

The present invention relates to a method for producing ketones which method comprises the steps of: a) providing a feedstock of biological origin comprising fatty acids and/or fatty acid derivatives having an average chain length of 24 C-atoms or less, b) subjecting said feedstock to a catalytic ketonisation reaction in the presence of a K ...

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08-10-2015 дата публикации

Diesel exhaust gas oxidation catalyst, and method for purifying diesel exhaust gas by using same

Номер: AU2014224354A8
Принадлежит:

A diesel exhaust gas oxidation catalyst, which is configured to purify exhaust gas from a diesel engine, includes: an alumina-based carrier in which a content of alumina is 40 mass% or higher; Pt supported on the alumina-based carrier; Pd supported on the alumina-based carrier; and at least one type of added element that is selected from the group consisting of alkali metal elements and alkaline earth metal elements and that is supported on the alumina-based carrier. A supported quantity of the Pt is 0.1 to 5 parts by mass relative to 100 parts by mass of the alumina-based carrier. A molar ratio obtained by dividing a supported quantity of the Pd by the supported quantity of the Pt is 0.1 to 1.5. A molar ratio obtained by dividing a supported quantity of the added element by the supported quantity of the Pt is 1 to 12.

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20-05-1993 дата публикации

IMPROVED PHOSPHOROUS/VANADIUM OXIDATION CATALYST

Номер: AU0000637225B2
Автор: BRUNO J. BARONE
Принадлежит:

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18-10-1979 дата публикации

REACTIVE CATALYST FOR AMINO RESINS

Номер: AU0003495378A
Автор: NAME NOT GIVEN
Принадлежит:

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25-11-1986 дата публикации

ELECTROLYTIC CELL ANODE

Номер: CA0001214452A1
Принадлежит:

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02-06-2000 дата публикации

ALDOL CONDENSATION

Номер: CA0002351475A1
Автор: KELLY, GORDON JAMES
Принадлежит:

Production of unsaturated aldehydes by the aldol condensation of straight chain aldehydes, e.g. butyraldehyde, by contacting the aldehyde in the vapour phase with a particulate catalyst comprising at least one basic alkali metal compound supported on an inert substrate at a temperature above 175 ~C.

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31-07-1984 дата публикации

ACTIVATED ALUMINA CLAUS CATALYST AND METHOD

Номер: CA0001171846A1
Автор: GOODBOY KENNETH P
Принадлежит:

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01-07-1975 дата публикации

CATALYST COMPOSITIONS

Номер: CA0000970344A1
Автор: PITZER EMORY W
Принадлежит:

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12-09-1989 дата публикации

POTASSIUM CARBONATE SUPPORTS, CATALYSTS AND PROCESSES THEREWITH

Номер: CA0001259296A1
Автор: DRAKE CHARLES A
Принадлежит:

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13-08-2002 дата публикации

COMPOSITE PRODUCT AND MANUFACTURING METHOD THEREOF

Номер: CA0002370507A1
Автор: TOKITOH, YASUO
Принадлежит:

It is an object of the present invention to provide a composite product which is easy to manufacture, and is excellent in catalytic activities and mechanical strength. The object can be achieved by a composite product obtained by heating and drying a mixture of a carrier in powder form and a metal hydroxide in powder form or in molten form. Such a composite product can be manufactured by mixing a carrier in powder form and a metal hydroxide in powder form or in molten form, heating and wetting the mixture, and drying the mixture under a gas flow or under reduced pressure. It can be preferably used as the catalyst for the isomerization reaction of an olefin or for the oxidation reaction of alcohols.

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29-05-1990 дата публикации

OXIDATION OF METHANE OVER HETEROGENEOUS CATALYSTS

Номер: CA0001269675A1
Принадлежит:

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12-09-1989 дата публикации

COMPOSITION OF MATTER AND METHOD OF OXIDATIVE CONVERSION OF ORGANIC COMPOUNDS THEREWITH

Номер: CA1259301A

A solid composition of matter consisting essentially of: (a) a component comprising: (1) at least one metal selected from the group consisting of Group IA metals and compounds containing said metals and (2), optionally, at least one material selected from the group consisting of tin, compounds containing tin, chloride ions and compounds containing said chloride ions and (b) a component comprising at least one metal selected from the group consisting of Group IIA metals and compounds containing said metals. The composition is particularly useful as a contact material for the oxidative conversion of less valuable organic compounds to more valuable organic compounds, particularly in the presence of a free oxygen containing gas. A method for converting feed organic compounds to product organic compounds, in the presence of a free oxygen containing gas, utilizing the above composition, as well as combinations of tin and a Group IIA metal and of tin, chloride ions and a Group IIA metal is disclosed ...

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12-09-1989 дата публикации

POTASSIUM CARBONATE SUPPORTS, CATALYSTS AND PROCESSES THEREWITH

Номер: CA1259296A

Catalyst supports, catalysts, method for the preparation thereof, and dimerization processes therewith are provided. Catalyst supports consist essentially of potassium carbonate with a crush strength of at least 5 pounds and at least one carbonaceous compound. Catalysts consist essentially of at least one elemental alkali metal deposited on the novel catalyst supports. Optionally, the catalysts further consist essentially of at least one promoter selected from the group consisting of elemental copper, elemental cobalt, and finely divided stainless steel.

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05-08-1980 дата публикации

HETEROGENEOUS ANIONIC POLYMERIZATION PROCESS

Номер: CA1083297A

The present invention relates to a heterogeneous anionic polymerization process, catalyzed by a metallic insertion graphitic compound. According to the invention, the alkaline metal chosen for the insertion compound is lithium, and the insertion compounds are of binary or ternary type ; in the latter case, the insertion compound may comprise an aromatic hydrocarbon also inserted within the graphitic structure. The invention relates in particular to the homopolymerization of butadlene or isoprene, and to the copolymerization of isoprene-styrene.

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01-02-1977 дата публикации

SUPPORTED CATALYST FOR THE OXIDATION OF O-XYLENE OR NAPHTHALENE INTO PHTHALIC ANHYDRIDE

Номер: CA1004658A
Автор:
Принадлежит:

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21-10-1975 дата публикации

AMORPHOUS INORGANIC GEL - VK3

Номер: CA976534A
Автор:
Принадлежит:

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13-11-1979 дата публикации

CATALYSEURS POUR LA CONVERSION D'HYDROCARBURES

Номер: CA1066263A

L'invention a pour objet un nouveau catalyseur utilisable notamment dans les réactions de production d'hydrocarbures aromatiques de haute pureté. Ce catalyseur renferme (a) un support, (b) du platine, (c) au moins un métal choisi dans le groupe constitué par l'iridium, le rhodium et le ruthénium,(d) du cobalt, (e) au moins un métal choisi dans le groupe constitué par le cuivre, le manganèse, l'argent et l'or, et (f) au moins un halogène. L'invention a aussi pour objet la préparation de ce nouveau catalyseur.

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03-07-1979 дата публикации

SUPPORTED CATALYST FOR THE OXIDATION OF O-XYLENE OR NAPHTHALENE TO PHTHALIC ANHYDRIDE

Номер: CA1057764A
Принадлежит: BASF AG, BASF AKTIENGESELLSCHAFT

A process for the catalytic oxidation of o-xylene or naphthalene with air to form phthalic anhydride wherein a supported catalyst is used comprising an inert nonporous carrier and applied thereto a thin layer of catalytically active material which comprises from 1 to 40% by weight of vanadium pentoxide and from 60 to 99% by weight of anatase and which has a vanadium pentoxide content of from 0.05 to 4% by weight based on the supported catalyst wherein the catalytically active material contains from 0.01 to 0.15% by weight of rubidium or caesium in the form of a compound devoid of sulfur, based on anatase.

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04-05-1993 дата публикации

ECONOMIC RECOVERY AND UTILIZATION OF BOILER FLUE GAS POLLUTANTS

Номер: CA0001317089C

Improved methods and apparatus for removing unwanted pollutants from flue gases are disclosed. A sequence of at least three vertical beds of particulates is disposed in the flue gas exhaust duct. A first bed comprises boiler ash or sand. Lime in the fly ash and sulfuric acid and water in the flue gas react with the particulates to form gypsum, removing the fly ash from the flue gas. III the second bed, the remaining sulfuric acid is condensed and removed on a further bed of boiler ash. In the third bed, a catalyst, typically an activated aluminous particulate with an alkali coating thereon, provided by adding ammonia to the flue gas stream, condenses out the remaining sulphur dioxide, which can then be removed from the catalyst particles in a regenerative step. scrubber embodying these principles is readily retrofittable to pre-existing power plants burning sulphur-containing coal.

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17-05-1994 дата публикации

SOLID BASE, PROCESS FOR PRODUCING THE SAME AND PROCESS OF PREPARING INTERNAL OLEFINS

Номер: CA0001329464C

The present invention is directed to solid base obtainable by heating and reacting an alkaline earth metal compound with alumina at a temperature of from 300 to 600.degree.C and then heating and reacting the reaction product with at least one material selected from the group consisting of alkali metals and hydrides of alkali metals in an inert gas atmosphere at a temperature of from 200 to 450.degree.C. The solid base of the present invention can catalyze various reactions, for example, isomerization of an olefinic double bond.

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23-03-2000 дата публикации

PROCESS FOR REMOVING IONIZABLE SPECIES FROM CATALYST SURFACE TO IMPROVE CATALYTIC PROPERTIES

Номер: CA0002343783A1
Принадлежит:

This invention relates to a process for the preparation of a catalyst having improved properties, said process comprising selecting a carrier, lowering the concentration of ionizable species present on the surface of the carrier, and depositing a catalytically effective amount of one or more catalytically reactive metals on the carrier. The invention further relates to catalysts made from the process and to the use of such catalysts in alkene epoxidation processes. In the examples the lowering of the concentration of ionizable species is obtained by washing the alpha alumina carrier with boiling water. Then the dried carrier is impregnated with a promotor and silver.

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19-03-1985 дата публикации

CATALYTIC COAL PRODUCT AND METHOD OF GASIFICATION

Номер: CA0001184035A1
Автор: LANCET MICHAEL S
Принадлежит:

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25-07-1989 дата публикации

PROCESS FOR PREPARING OPTICALY ACTIVE 2-(4-HYDROXY- PHENOXY)PROPIONIC ACID COMPOUNDS

Номер: CA0001257874A1
Принадлежит:

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09-07-2013 дата публикации

TITANIUM OXIDE AND ALUMINA ALKALI METAL COMPOSITIONS

Номер: CA0002580930C

... ²²²The invention relates to Group 1 metal/porous metal oxide compositions ²comprising porous metal oxide selected from porous titanium oxide and porous ²alumina and an alkali metal or an alkali metal alloy. The compositions of the ²inventions are described as Stage 0 and I materials. These materials differ in ²their preparation and chemical reactivity. Each successive stage may be ²prepared directly using the methods described below or from an earlier stage ²material. Stage 0 materials may, for example, be prepared using liquid alloys ²of Na and K which are rapidly absorbed by porous metal oxide under isothermal ²conditions, preferably at or just above room temperature, to form loose black ²powders that retain much of the reducing ability of the parent metals. When ²the low melting Group 1 metals are absorbed into the porous metal oxide at ²about 150~C, an exothermic reaction produces Stage I material, loose black ²powders that are stable in dry air. Further heating forms higher stage ²materials ...

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04-07-2013 дата публикации

Low-Alkali Catalyst Material and Process for Preparation Thereof

Номер: US20130172176A1
Принадлежит: SACHTLEBEN CHEMIE GMBH

A catalyst material, more specifically a catalyst material based on TiO2/SiO2 in particulate form having a content of metal in the form of the metal oxide or metal oxide precursor, to processes for preparation thereof and to the use thereof in chemical catalysis, especially for removal of pollutants, such as nitrogen oxides from combustion gases 1. A catalyst material comprising:{'sub': 2', '2, 'sup': '2', 'TiO—SiOin particle form having an alkali metal content of less than 300 ppm and a specific BET surface area of 50-300 m/g,'}{'sub': '2', 'sup': '3', 'wherein the catalyst material comprises the TiOin anatase form and has a mesopore volume of greater than 0.35 cm/g, measured by nitrogen porosimetry, and the specific surface area is reduced by not more than 30% on thermal stressing at 650° C. for 50 hours.'}2. The catalyst material based on TiO—SiOas claimed in having a mesopore volume of greater than 0.5 cm/g claim 1 , measured by nitrogen porosimetry.3. The catalyst material based on TiO—SiOas claimed in having a specific BET surface area of 90-200 m/g.4. The catalyst material based on TiO—SiOas claimed in further comprising a content of metal oxide and/or metal oxide precursor.5. The catalyst material based on TiO—SiOas claimed in which further comprises vanadium oxide claim 4 , tungsten oxide claim 4 , or precursors thereof.6. A process for producing the low-alkali-metal catalyst material as claimed in comprising:{'sub': '2', 'reacting 1) a Ti-containing solution in the form of a titanyl sulfate solution or titanium sulfate having a concentration of dissolved Ti of, converted to an oxide basis, from 10 to 250 g of TiOper liter of solution and 2) a low-alkali-metal solution of hydrated precursors of one or more Si-oxygen compounds in the presence of ammonia; and'}filtering off and washing the obtained product; andsubjecting the product to a thermal treatment and optionally drying,wherein the hydrated precursors of Si-oxygen compounds comprise silicic acid, ...

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19-12-2013 дата публикации

Glass having a photocatalytic function

Номер: US20130336846A1

Provided is an inexpensive material having a photocatalytic action. A photocatalyst is obtained by halogenation-treating glass fibers containing silicon dioxide in its components. Fused quartz, soda-lime glass, non-alkali glass, and borosilicate glass may be used for the glass. Hydrofluoric acid, hydrochloric acid and hydrobromic acid may be used for the halogen acid, and hydrofluoric acid is most desirable. The glass can be particulate, fibrous or sheet form material. The glass exhibits a photocatalytic action even with visible light other than ultraviolet light, and also water repellent effect. The glass according to the invention is capable of decomposing organic substances, and therefore, it is used for window glass in buildings or in transportation such as automobiles, when formed in a plate shape, and for a filter in an air intake/exhaust apparatus, when formed in fibrous shape.

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26-12-2013 дата публикации

GLASS CATALYSTS FOR SOOT COMBUSTION AND METHODS OF MANUFACTURING THE SAME

Номер: US20130345048A1
Принадлежит: University of Notre Dame du Lac

A simplified method of manufacturing a catalyst for soot combustion includes the synthesis of a catalyst composition. A substrate is prepared for receipt of the composition and a sol solution is created utilizing the composition synthesized. Finally, a catalytic coating is applied to the substrate, through use of the sol solution. The catalyst composition may be any suitable composition including a KO, CaO, SiO(KCS-1) silcate catalyst, and the substrate may be a wire mesh, such as for example, a commercial metallic wire mesh. The application of the coating to the substrate, may be performed through any suitable coating process including, for example, a sol-gel dipping process, spraying, painting, etc. 1. A method of manufacturing a catalyst for soot combustion comprising:synthesizing a catalyst composition;preparing a substrate for receipt of the catalyst composition;creating a sol solution utilizing the catalyst composition; andapplying the sol solution as a catalytic coating to the substrate.2. A method as recited in claim 1 , wherein the catalyst composition comprises at least one of a KO claim 1 , a CaO claim 1 , or a SiO(KCS-1) silicate catalyst.3. A method as recited in claim 1 , wherein the application of the sol solution comprises at least one of a sol-gel dipping process claim 1 , spraying claim 1 , or painting.4. A method as recited in claim 1 , wherein the substrate comprises a wire mesh. This application is a non-provisional application claiming priority from U.S. Provisional Application Ser. No. 61/564,939, filed Nov. 30, 2011, entitled “Glass Catalysts for Soot Combustion and Methods of Manufacturing the Same” and incorporated herein by reference in its entirety. In addition, this application is related to U.S. patent application Ser. No. 12/021,108 entitled “Catalysts With Slow, Passive Release of Alkali Ions,” filed Jan. 28, 2008, and incorporated herein by reference in its entirety.The present description relates generally to a glass catalyst for ...

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27-03-2014 дата публикации

MIXED OXIDE COMPOSITIONS AND PROCESS FOR PREPARING ISOOLEFINS

Номер: US20140087940A1
Принадлежит: EVONIK DEGUSSA GmbH

The present invention relates to mixed oxide compositions, to the use thereof as a catalyst for cleavage of alkyl tert-alkyl ethers or tertiary alcohols, and to a process for cleaving alkyl tert-alkyl ethers or tertiary alcohols to isoolefins and alcohol or water. 1. A mixed oxide composition , comprising:a silicon-aluminium mixed oxide powder, present predominantly or completely as an aggregated primary particles, and an alkali metal or alkaline earth metal oxide,{'sub': 2', '3', '2', 'ttl, 'wherein a weight ratio (AlO/SiO)in the primary particles is from 0.002 to 0.05,'}{'sub': 2', '3', '2', 'surface, 'a weight ratio (AlO/SiO)of the primary particles in a layer close to a surface and having a thickness of approximately 5 nm is less than in the primary particles overall and'}{'sup': '2', 'a BET surface area of the primary particles is from 50 to 250 m/g.'}2. The mixed oxide composition according to claim 1 , obtained by a process comprising treating with an aqueous alkali metal or alkaline earth metal hydroxide solution claim 1 ,wherein a pH is from 5 to 6.5.3. A mixed oxide composition claim 1 , comprising:a silicon-aluminium mixed oxide powder, present predominantly or completely as aggregated primary particles,{'sub': 2', '3', '2', 'ttl, 'wherein a weight ratio (AlO/SiO)in the primary particles is from 0.002 to 0.05,'}{'sub': 2', '3', '2', 'surface, 'a weight ratio (AlO/SiO)of the primary particles in a layer close to a surface and having a thickness of approximately 5 nm is less than in the primary particles overall,'}{'sup': '2', 'a BET surface area of the primary particles is from 50 to 250 m/g, and'}the composition is obtained by a process comprising treating with acidic aqueous solution, wherein a pH is within a range from 0 to 6.4. The mixed oxide composition according to claim 3 , wherein the treating comprises adjusting the pH with a phosphorus source.5. The mixed oxide composition according to claim 4 , wherein the phosphorus source is selected from the ...

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04-01-2018 дата публикации

STEAM REFORMING CATALYST AND METHOD OF MAKING THEREOF

Номер: US20180001309A1
Принадлежит:

The invention provides a method for the production of a supported nickel catalyst, in which an aqueous mixture comprising an alkali metal salt plus other metal salts is sintered to form a support material. A supported nickel catalyst comprising potassium β-alumina is also provided. 1. A supported nickel catalyst precursor obtained via a method comprising the steps of: i. magnesium mineral or magnesium salt,', 'ii. optionally, a calcium mineral or calcium salt,', 'iii. an aluminium mineral or aluminium salt,', 'iv. an alkali metal salt comprising at least one of Na and K, and', 'v. optionally water;, 'a. providing a mixture comprisingb. extruding said mixture to form an extrudate, said extrudate containing integrated reservoirs of said alkali metal salt, and calcining the extrudate at a temperature from 300-600° C.;c. sintering said calcined extrudate at a temperature in a range of 1100-1400° C. to form a support material;d. impregnating said support material with an aqueous solution comprising a nickel salt to provide the supported nickel catalyst precursor; ande. optionally repeating step d.2. A supported nickel catalyst obtainable via the method recited in claim 1 , wherein claim 1 , after each impregnation step d claim 1 , the supported nickel catalyst precursor is decomposed to form a supported nickel catalyst claim 1 , suitably at temperatures between 350-500° C.3. A supported nickel catalyst comprising nickel supported on a support material claim 1 , characterised in that said support material comprises potassium β-alumina or sodium β-alumina claim 1 , or mixtures thereof.4. The supported nickel catalyst according to claim 3 , wherein said support material comprises 8 wt % or more potassium β-alumina claim 3 , as measured by XRD.5. The supported nickel catalyst according to claim 3 , comprising 0.2-2 wt % potassium.6. Use of a supported nickel catalyst according to as a catalyst in a steam reforming process.7. A steam reforming process comprising the steps of: ...

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09-01-2020 дата публикации

Production method for halogenated pyrazolecarboxylic acid

Номер: US20200010424A1
Принадлежит: Asahi Glass Co Ltd

The invention provides a method capable of more simply and efficiently producing halogen-containing pyrazolecarboxylic acids useful as pharmaceutical or agrochemical intermediates, in a manner suitable for industrial production. In particular, the invention provides a method of producing a compound represented by the formula (b), which comprises reacting a compound represented by the formula (a) with oxygen in the presence of a compound containing a transition metal atom to obtain the compound represented by the formula (b): wherein each symbol is as described in the description.

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21-01-2021 дата публикации

POROUS FORMED BODY AND PRODUCTION METHOD THEREOF, alpha-OLEFIN DIMERIZATION CATALYST AND PRODUCTION METHOD THEREOF, AND METHOD OF PRODUCING alpha-OLEFIN DIMER

Номер: US20210016248A1
Принадлежит:

A porous formed body (Y) including a porous formed body (X) that satisfies the following (x-1) to (x-3), and an alkali metal carbonate or an alkali metal bicarbonate, in which a content of the alkali metal carbonate or the alkali metal bicarbonate is in a range of from 1 part by mass to 230 parts by mass, with respect to 100 parts by mass of the porous formed body (X), and a production method thereof, an α-olefin dimerization catalyst and a production method thereof, and a method of producing an α-olefin dimer: 1. A porous formed body (Y) , comprising:a porous formed body (X) that satisfies the following requirements (x-1) to (x-3); andan alkali metal carbonate or an alkali metal bicarbonate,wherein a content of the alkali metal carbonate or the alkali metal bicarbonate is in a range of from 1 part by mass to 230 parts by mass, with respect to 100 parts by mass of the porous formed body (X):requirement (x-1): a volume of pores with a pore diameter in a range of from 0.01 μm to 100 μm is from 0.10 mL/g to 1.00 mL/g;requirement (x-2): a median pore diameter of pores with a pore diameter in a range of from 0.01 μm to 100 μm is from more than 0.01 μm to 10.0 μm; andrequirement (x-3): a crushing strength is from 0.7 kgf to 15.0 kgf.2. The porous formed body (Y) according to claim 1 , wherein the porous formed body (X) further satisfies the following requirement (x-4):requirement (x-4): the porous formed body (X) contains at least one compound selected from the group consisting of an oxide of a metal or a rare earth element and a complex oxide thereof, zeolite, activated carbon, and SiC.3. The porous formed body (Y) according to claim 1 , wherein the alkali metal carbonate or the alkali metal bicarbonate is at least one compound selected from the group consisting of NaCO claim 1 , NaHCO claim 1 , KCO claim 1 , and KHCO.4. The porous formed body (Y) according to claim 1 , wherein the porous formed body (Y) has a volume of pores with a pore diameter in a range of from 0.01 ...

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22-01-2015 дата публикации

MATERIAL AND EXHAUST GAS SYSTEM AND METHOD FOR USING THE SAME

Номер: US20150023863A1
Принадлежит: GENERAL ELECTRIC COMPANY

A material is described of formula NaMAlSiOwith Face Centered Cubic (fcc) lattices forming F -4 3 m cubic structure, wherein M is at least one of lithium, potassium, rubidium, caesium, vanadium, chromium, iron, cobalt, nickel, ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, gold, and cerium; 00; 1≦a3; 1≦b≦3; and 0<δ≦32/3. An exhaust gas system comprising the material and a method are also described herein. 1. A material of formula I , having face centered cubic (FCC) lattices forming F -4 3 m cubic structure ,{'br': None, 'sub': x', 'y', 'a', 'b', '67, 'NaMAlSiO'}whereinM is at least one of lithium, potassium, rubidium, caesium, vanadium, chromium, iron, cobalt, nickel, ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, gold, and cerium; {'br': None, '1≦a≦3; 1≦b≦3; and 0<δ≦32/3.'}, '00;'}2. The material of claim 1 , wherein y>0 and M is at least one of potassium claim 1 , lithium claim 1 , cerium claim 1 , and cobalt.3. The material of claim 1 , wherein M is potassium and 3.2≦x≦3.8 and 0.2≦y≦0.8.4. The material of claim 1 , wherein M is lithium and x=3.8 and y=0.2.5. The material of claim 1 , wherein M is cobalt and x=3.8 and y=0.2.6. The material of claim 1 , wherein M is cerium and 3.8≦x≦3.9996 and 0.0004≦y≦0.2.7. The material of claim 1 , being of formula: NaKAlSiO claim 1 , NaKAlSiO claim 1 , NaKAlSiO claim 1 , NaLiAlSiO claim 1 , NaCeAlSiO claim 1 , NaCeAlSiO claim 1 , NaCeAlSiO claim 1 , NaAlSiO claim 1 , NaKAlSiOor NaCoAlSiO.8. An exhaust gas system comprising the material of .9. The exhaust gas system of claim 1 , comprising a diesel particulate filter receiving diesel exhaust gas from a diesel engine and coated with the material of .10. The exhaust gas system of claim 8 , wherein y>0 and M is at least one of potassium claim 8 , lithium claim 8 , ...

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23-01-2020 дата публикации

HYDROLIQUEFACTION OF PETROLEUM COKE USING ALKALI METALS

Номер: US20200024523A1
Принадлежит: FLINT HILLS RESOURCES, LP

The present disclosure is directed toward processes for the hydroliquefaction and hydrodesulfurization of petroleum coke using alkali metal catalysts and/or tin co-catalysts. 1. A process for the liquefaction of petroleum coke , the process comprising:a) mixing an alkali metal catalyst with a carrier fluid to produce a catalyst dispersion; andb) reacting petroleum coke particles with the catalyst dispersion to afford fluid hydrocarbons.2. The process of claim 1 , the process further comprising grinding petroleum coke to produce petroleum coke particles with an average particle size from about 2 to about 1000 μm.3. The process of claim 2 , wherein the petroleum coke contains less than 1% water by weight.4. The process of claim 2 , wherein the petroleum coke has a hydrogen to carbon molar ratio from about 0.4 to about 0.9.5. The process of claim 2 , wherein the petroleum coke has a sulfur content from about 1% to about 10%.6. The process of claim 1 , wherein the alkali metal catalyst comprises at least 90% elemental alkali metal by weight.7. The process of claim 1 , wherein the alkali metal catalyst is sodium or potassium.8. The process of claim 7 , wherein the alkali metal catalyst is delivered at about 100° C. or at about 70° C.9. The process of claim 1 , wherein the catalyst dispersion contains from about 1% to about 10% metal by weight.10. The process of claim 1 , wherein the catalyst dispersion further comprises a tin catalyst.11. The process of claim 1 , wherein step a) comprises high shear mixing to produce particles of alkali metal catalyst that have an average diameter of less than or equal to about 100 μm.12. The process of claim 1 , wherein the carrier fluid comprises a hydrocarbon or hydrocarbon mixture claim 1 , the hydrocarbon or hydrocarbon mixture comprising paraffins or naphthenes having a normal boiling point greater than about 210° C.13. The process of claim 1 , wherein the carrier fluid is saturated with hydrogen gas.14. The process of claim 1 , ...

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24-04-2014 дата публикации

Method For Making Catalyst Compositions Of Alkali Metal Halide-Doped Bivalent Metal Fluorides And A Process For Making Fluorinated Olefins

Номер: US20140113805A1
Принадлежит: Honeywell International Inc

There is provided methods for making a catalyst composition represented by the formula MX/M′F 2 wherein MX is an alkali metal halide; M is an alkali metal ion selected from the group consisting of Li + , Na + , K + , Rb + , and Cs + ; X is a halogen ion selected from the group consisting of F − , Cl − , Br − , and I − ; M′F 2 is a bivalent metal fluoride; and M′ is a bivalent metal ion. One method has the following steps: (a) dissolving an amount of the alkali metal halide in an amount of solvent sufficient to substantially dissolve or solubilize the alkali metal halide to form an alkali metal halide solution; (b) adding an amount of the bi-valent metal fluoride to the alkali metal halide solution to form a slurry of the alkali metal halide and bi-valent metal fluoride; and (c) removing substantially all of the solvent from the slurry to form a solid mass of the alkali metal halide and bi-valent metal fluoride. Another method has the following steps: (a) adding an amount of hydroxide, oxide, or carbonate of an alkali metal to an aqueous solution of a hydrogen halide and reacted to form an aqueous solution of an alkali metal halide; (b) adding an amount of a hydroxide, oxide, or carbonate of a bivalent metal to an aqueous solution of hydrogen fluoride and reacted to form a precipitate of a bivalent metal fluoride; (c) admixing the alkali metal halide solution and the bivalent metal fluoride precipitate are admixed to form an aqueous slurry; and (d) removing water from the aqueous slurry to form a solid mass. There is also a method for making a fluorinated olefin.

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09-02-2017 дата публикации

PROCESS FOR PRODUCTION OF A SILICA-SUPPORTED ALKALI METAL CATALYST

Номер: US20170036984A1
Принадлежит:

A process for regenerating a silica-supported depleted alkali metal catalyst is described. The level of alkali metal on the depleted catalyst is at least 0.5 mol % and the silica support is a zero-gel. The process comprises the steps of contacting the silica supported depleted alkali metal catalyst with a solution of a salt of the alkali metal in a solvent system that has a polar organic solvent as the majority component. A re-impregnated catalyst prepared by the process of the invention any comprising a silica zero-gel support and a catalytic metal selected from an alkali metal in the range 0.5-5 mol % on the catalyst, wherein the surface area of the silica support is <180 m/g is also described. The invention is applicable to a process for preparing an ethylenically unsaturated acid or ester comprising contacting an alkanoic acid or ester of the formula R—CH—COOR, with formaldehyde or a suitable source of formaldehyde. 2. The process according to claim 1 , wherein the ethylenically unsaturated acid or ester is selected from methacrylic acid claim 1 , acrylic acid claim 1 , methyl methacrylate claim 1 , ethyl acrylate claim 1 , or butyl acrylate.3. The process according to claim 1 , wherein the ester or acid of formula R—CH—COORis methyl propionate or propionic acid.4. The process according to claim 1 , wherein the alcohol is methanol.5. The process according to claim 1 , wherein the process is conducted at a molar ratio of acid or ester to formaldehyde from 20:1 to 1:20 claim 1 , and at a temperature of 250-400° C. with a residence time of 1-100 seconds claim 1 , and at a pressure of 1-10 bara.6. The process according to claim 1 , wherein the re-impregnated catalyst is prepared by a process of contacting a silica supported depleted alkali metal catalyst with a solution of a salt of the alkali metal in a solvent system having a polar organic solvent as a majority component.7. A re-impregnated catalyst comprising:a silica zero-gel support anda catalytic metal ...

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06-02-2020 дата публикации

Microencapsulated Polyaddition Catalyst

Номер: US20200038830A1
Принадлежит:

A microencapsulated polyaddition catalyst comprises a capsule core, containing polyaddition catalyst, and an acrylic copolymer capsule shell, the acrylic copolymer comprising copolymerized units of an intermolecular anhydride of an ethylenically unsaturated C-Ccarboxylic acid. The polyaddition catalyst is selected from acyclic tertiary amines, alicyclic tertiary amines, N-alkylimidazoles, phosphines and organic metal salts. It is suitable for catalysing the reaction of a polyol compound with a polyisocyanate compound. The polyaddition catalyst is released by a chemical stimulus, such as on contact with polyols or water, for example. 1. A microencapsulated polyaddition catalyst comprising a capsule core , containing the polyaddition catalyst , and an acrylic copolymer capsule shell , the acrylic copolymer comprising copolymerized units of an intermolecular anhydride of an ethylenically unsaturated C-Ccarboxylic acid , and the polyaddition catalyst being selected from acyclic tertiary amines , alicyclic tertiary amines , N-alkylimidazoles , phosphines and organic metal salts.2. The microencapsulated polyaddition catalyst according to claim 1 , wherein the intermolecular anhydride of the ethylenically unsaturated C-Ccarboxylic acid is selected from acrylic anhydride claim 1 , methacrylic anhydride and 4-vinylbenzoic anhydride.3. The microencapsulated polyaddition catalyst according to claim 1 , wherein the acrylic copolymer is constructed of units of{'sub': 3', '12, '(a) 5 to 50 wt % of at least one intermolecular anhydride of an ethylenically unsaturated C-Ccarboxylic acid,'}{'sub': 1', '24', '1', '24, '(b) 30 to 90 wt % of at least one monomer selected from C-Calkyl esters of acrylic acid, C-Calkyl esters of methacrylic acid and vinylaromatics,'}(c) 5 to 20 wt % of at least one monomer which has at least two ethylenic unsaturations, and(d) 0 to 30 wt % of one or more other monomers, based in each case on the total weight of the monomers.4. The microencapsulated ...

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18-02-2016 дата публикации

TREATMENT OF ALKALI SILICA GEL AND ALKALI POROUS METAL OXIDE COMPOSITIONS

Номер: US20160045909A1
Принадлежит:

A method for treating Group 1 metal/silica gel compositions that are pyrophoric is provided to convert them into Group 1 metal/silica gel compositions that are no longer pyrophoric. A method for treating Group 1 metal/porous metal oxide compositions that are pyrophoric is provided to convert them into Group 1 metal/porous metal oxide compositions that are no longer pyrophoric. The pyrophoric Group 1 metal/silica gel composition or the pyrophoric Group 1 metal/porous metal oxide composition is treated with a low amount of dry oxygen or low concentration of dry oxygen mixture to convert them into compositions that are no longer pyrophoric or reactive with dry oxygen or air. 1. A method for treating a pyrophoric or non-pyrophoric Group 1 metal/silica gel composition or Group 1 metal/porous metal oxide composition comprising the step of:exposing said Group 1 metal/silica gel composition or Group 1 metal/porous metal oxide composition to dry oxygen or dry oxygen mixtures under conditions until the Group 1 metal/silica gel composition or the Group 1 metal/porous metal oxide composition is no longer pyrophoric or no longer reactive with dry oxygen.2. The method of claim 1 , wherein said dry oxygen or dry oxygen mixture is introduced at a partial pressure ranging from 50 Torr to 760 Torr claim 1 , or ranging from 100 to 500 Torr claim 1 , or ranging from 100 to 300 Torr.3. The method of claim 1 , wherein said dry oxygen mixture is a mixture of He—O claim 1 , N—O claim 1 , Ar—O claim 1 , CO—Oor dry air.4. The method of claim 1 , wherein said dry oxygen mixture contains less than 20% Oor less than 10% O.5. The method of claim 1 , wherein said Group 1 metal/silica gel composition or Group 1 metal/porous metal oxide composition is exposed to said dry oxygen or said dry oxygen mixture less than 8 hours claim 1 , or less than 4 hours claim 1 , or less than 1 hour.6. The method of claim 1 , wherein said exposing step occurs under atmospheric pressure claim 1 , or between 700-800 ...

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13-02-2020 дата публикации

METHOD OF PRODUCING PLANT BIOMASS-BASED BIOPLASTIC

Номер: US20200048179A1
Автор: Yang Kaien
Принадлежит:

This invention relates to the field of producing bioplastics. Specifically, it relates to a method of producing all key ingredients of bioplastic making from pumpkins and making of bioplastic with these ingredients. More specifically, glycerin and other chemicals are extracted from pumpkin seed oil and mixed with starches that in the pumpkin flesh to make bioplastic. The bioplastic produced with the method as disclosed in this invention possess superior properties in tensile strength and biodegradability compared to bioplastic. 1. A method of making pumpkins based bioplastic , the method comprising: Separating pumpkins into flesh and seeds , and extracting organic glycerin to react with pumpkin flesh , and producing bioplastic.2. The method of claim 1 , wherein processing pumpkin seed by extracting organic glycerin by a transesterification reaction using pumpkin seed oil with methanol.3. The method of claim 2 , wherein a catalyst is added into methanol.4. The method of claim 2 , wherein a catalyst is sodium hydroxide. A method of producing bioplastic from plant derived biomass such as pumpkins. The method includes separating pumpkin flesh and seeds, extracting organic glycerin and other chemicals from the seeds, and mixing with pumpkin flesh to form bioplastics.Plastic and Plastic WastePlastic is a carbon-rich raw material consisting of any of a wide range of synthetic or semi-synthetic organic compounds that are malleable and so can be molded into any forms. Most of the plastics produced in the world is made from petrochemicals. In the process of producing plastics, crude oil is first refined into ethane, propane and other intermediates, from which ethylene and propylene are transformed under a high temperatures. In the process, plastic polymers will be formed from these monomers with the presence of catalysts. Because of the natural degradation of plastics takes a very long time, as a result, plastic waste is ubiquitous in every corner of the environment. Moreover ...

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26-02-2015 дата публикации

EXHAUST GAS PURIFICATION CATALYST, EXHAUST GAS PURIFICATION DEVICE AND FILTER, AND PRODUCTION METHOD FOR SAID CATALYST

Номер: US20150056106A1
Принадлежит: OTSUKA CHEMICAL CO., LTD.

Provided is an exhaust gas purification catalyst having high catalytic activity enabling combustion of PM (particulate matter) at low temperatures and excellent thermal resistance, an exhaust gas purification device and filter having high combustion efficiency of PM and excellent durability, and a method for producing the catalyst. The exhaust gas purification catalyst of the present invention is composite oxide particles containing at least one alkali metal, Si, and Zr. 18-. (canceled)9. An exhaust gas purification catalyst for combusting particulate matter contained in exhaust gases , wherein the exhaust gas purification catalyst is composite oxide particles containing at least one alkali metal , Si , and Zr.10. The exhaust gas purification catalyst according to claim 9 , having an ionic conductivity of 0.5×10mS/cm or more.11. The exhaust gas purification catalyst according to claim 9 , wherein the content rates of the metals claim 9 , exclusive of oxygen claim 9 , in the composite oxide are 30 to 60% by mole alkali metal claim 9 , 20 to 60% by mole Si claim 9 , and 10 to 40% by mole Zr.12. The exhaust gas purification catalyst according to claim 9 , wherein the composite oxide is represented by the following general formula:{'br': None, 'sub': 2X', 'X', 'Y', '3X+2Y, 'AZrSiO'}where A represents at least one alkali metal, X represents a positive real number satisfying 1≦X≦2, and Y represents a positive real number satisfying 1≦Y≦6.13. An exhaust gas purification device comprising the exhaust gas purification catalyst according to .14. An exhaust gas purification filter claim 9 , including a support and the exhaust gas purification catalyst according to claim 9 , the exhaust gas purification catalyst being supported on the support.15. The exhaust gas purification filter according to claim 14 , wherein the support is a honeycomb filter.16. A method for producing the exhaust gas purification catalyst according to claim 9 , wherein the exhaust gas purification catalyst ...

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03-03-2016 дата публикации

HYDROGEN PRODUCTION CATALYSTS AND ASSOCIATED SYSTEMS AND METHODS

Номер: US20160059214A1
Автор: Helton Bill W.
Принадлежит:

An alkaline catalyst for hydrogen generation can comprise a first metal (), a second metal (), and hydroxide (). When the alkaline catalyst is added to an aqueous solution containing a hydrogen generation metal, the aqueous solution produces at least 4L of hydrogen per 5 gram of hydrogen generation metal per 15 minutes at a production temperature of 140° F. and at a pressure of 1 atm. 1. An alkaline catalyst for hydrogen generation , comprising a first metal , a second metal , and hydroxide , wherein , when the alkaline catalyst is added to an aqueous solution containing a hydrogen generation metal , the aqueous solution produces at least 4 L of hydrogen per 5 gram of hydrogen generation metal per 15 minutes at a production temperature of 140° F. and at a pressure of 1 atm.2. The alkaline catalyst of claim 1 , wherein the aqueous solution produces at least 8 L of hydrogen per 5 gram of hydrogen generation metal.3. The alkaline catalyst of claim 1 , wherein the alkaline catalyst is produced by mixing a first metal hydroxide with a second metal hydroxide in solution forming a hydroxide mixture claim 1 , wherein the alkaline catalyst comprises at least the first metal claim 1 , the second metal claim 1 , and the hydroxide.4. The alkaline catalyst of claim 3 , wherein the first metal hydroxide and the second metal hydroxide are independently selected from the group consisting of: potassium hydroxide claim 3 , sodium hydroxide claim 3 , calcium hydroxide claim 3 , magnesium hydroxide claim 3 , lithium hydroxide claim 3 , strontium hydroxide claim 3 , and thorium hydroxide.5. The alkaline catalyst of claim 4 , wherein the first metal hydroxide is potassium hydroxide and the second metal hydroxide is sodium hydroxide.6. The alkaline catalyst of claim 1 , wherein the alkaline catalyst is produced by mixing a first metal hydroxide with a second metal hydroxide in solution forming a hydroxide mixture claim 1 , subjecting the hydroxide mixture to a magnetic field of at least 5 ...

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05-03-2020 дата публикации

HYDROGEN GENERATOR

Номер: US20200071202A1
Принадлежит:

A hydrogen generator including a series of plates positioned in an electrolysis chamber. The plates are configured to generate hydrogen. The chamber has a water inlet configured to receive water from a water source and a hydrogen outlet configured to allow the hydrogen to exit therefrom. The plates include a positive plate, a negative plate, and a neutral plate. Each of the plates has through-holes configured to allow the water and the hydrogen to flow therethrough. The positive and negative plates are configured to be connected to positive and negative terminals, respectively, of an electrical power source. The water inside the chamber forms an electrical connection between the positive and negative plates that splits the water into the hydrogen and oxygen.

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23-03-2017 дата публикации

GASOLINE ENGINE WITH AN EXHAUST SYSTEM FOR COMBUSTING PARTICULATE MATTER

Номер: US20170080388A1
Принадлежит:

A gasoline engine having an exhaust system comprises means for trapping particulate matter (PM) from the exhaust gas and a catalyst for catalysing the oxidation of the PM by carbon dioxide and/or water in the exhaust gas, which catalyst comprising a supported alkali metal. The invention further includes a method of combusting PM from a gasoline engine in COand/or HO from the exhaust gas at temperatures in excess of 500° C., which method comprising trapping the PM and contacting it with a catalyst comprising a supported alkali metal. 1. A system comprising a three way catalyst (TWC) adapted for simultaneously oxidizing CO and HC and reducing NOx of an exhaust gas from a gasoline engine , means for trapping particulate matter (PM) of <100 nm from the exhaust gas and a catalyst for catalysing the oxidation of the PM by at least one of carbon dioxide (CO) and water (HO) in the exhaust gas , which catalyst consists of a supported alkali metal , wherein the supported alkali metal is disposed downstream of the TWC and is disposed relative to the means for trapping in order to effect contact between the supported alkali metal and the particulate matter.2. A system according to claim 1 , wherein the alkali metal is selected from the group consisting of lithium claim 1 , sodium claim 1 , potassium claim 1 , rubidium claim 1 , caesium and a mixture of any two or more thereof3. A system according to claim 2 , wherein the alkali metal is the mixture and the mixture is a eutectic mixture.4. A system according to claim 1 , wherein the alkali metal is present in the catalyst at from 1% to 20% by weight of the catalyst.5. A system according to claim 1 , wherein the support is selected from the group consisting of alumina claim 1 , ceria claim 1 , zirconia claim 1 , titania claim 1 , a silica-alumina claim 1 , a zeolite claim 1 , a mixture thereof and a mixed oxide of any two or more thereof.6. A system according to claim 1 , wherein the support alumina selected from the group ...

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25-03-2021 дата публикации

Calcium-based Catalyst and Method for Catalytically Synthesizing Alkanolamide Surfactant thereof

Номер: US20210087136A1
Автор: Xueyi Hu, Yongmei Xia, Yun Fang
Принадлежит: JIANGNAN UNIVERSITY

The present disclosure discloses a calcium-based catalyst and a method for catalytically synthesizing an alkanolamide surfactant thereof, and belongs to the technical field of surfactant synthesis. In the present disclosure, the compounded calcium-based catalyst is prepared, and the calcium-based catalyst is utilized to catalyze reaction of fat and oil or fatty acid ester and alkanol amine to synthesize the alkanolamide surfactant with light color and less free alkanol amine, which facilitates application in daily chemicals. The calcium-based catalyst in the present disclosure has a slow release feature, so that the catalyst still has relatively high catalytic reaction activity in the late reaction period, it is guaranteed that the alkanol amine is converted into the alkanolamide surfactant with a high conversion rate, the conversion rate of the alkanol amine is high, the residual quantity of the alkanol amine in the product is low, and the risk of nitrosamine caused by the residual alkanol amine in the product is greatly lowered. Meanwhile, the speed in the early reaction period is greatly reduced due to control of slow release of the catalyst, and a deepened color of the product caused by poor heat transfer in the synthesis process due to excessively fast reaction in the early period is effectively avoided.

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25-03-2021 дата публикации

BIODIESEL FROM KARAYA OIL

Номер: US20210087485A1
Принадлежит:

Embodiments of the present disclosure describe methods of producing fuel additive compositions from karaya oil comprising reacting a karaya oil extract with an alcohol in the presence of a catalyst to produce fatty acid esters in a crude product mixture; and separating the fatty acid esters from the crude product mixture to obtain the fuel additive composition. Embodiments of the present disclosure further describe fuel additive compositions comprising a mixture of fatty acid esters from karaya oil, and fuel compositions comprising a fuel additive composition and optionally diesel fuel. 1. A method of producing a fuel additive from karaya oil , comprising:reacting a karaya oil extract with an alcohol in the presence of a catalyst to produce fatty acid esters in a crude product mixture; andseparating the fatty acid esters from the crude product mixture to obtain a fuel additive.2. The method of claim 1 , wherein the reacting proceeds by contacting the karaya oil extract with the alcohol and catalyst to form a reaction solution.3. The method of claim 1 , wherein the reacting proceeds by heating the reaction solution to a first temperature.4. The method of claim 1 , wherein the first temperature ranges from about 60° C. to about 140° C.5. The method of claim 1 , wherein the karaya oil extract includes triglycerides claim 1 , free fatty acids claim 1 , water claim 1 , or a combination thereof.6. The method of claim 1 , wherein the alcohol is methanol claim 1 , ethanol claim 1 , propanol claim 1 , butanol claim 1 , amyl alcohol claim 1 , isopropanol claim 1 , or butanol.7. The method of claim 1 , wherein a molar ratio of the alcohol to karaya oil extract is at least about 3:1 claim 1 , about 6:1 claim 1 , or about 12:1.8. The method of claim 1 , wherein the catalyst is sodium hydroxide claim 1 , potassium hydroxide claim 1 , sodium carbonate claim 1 , potassium carbonate claim 1 , sodium methoxide claim 1 , sodium ethoxide claim 1 , sodium propoxide claim 1 , or sodium ...

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05-05-2022 дата публикации

Method for Co-Producing Synthetical Rutile and Polymeric Ferric Sulfate with Waste Sulfuric Acid

Номер: US20220135425A1
Принадлежит:

The present disclosure discloses a method for co-producing synthetical rutile and polymeric ferric sulfate with waste sulfuric acid, which includes the following steps of: S, performing deep reduction on ilmenite to obtain reduced ilmenite with a metallization rate of 85% or more; S, leaching the reduced ilmenite with waste sulfuric acid; S, performing solid-liquid separation on a mixed solution after the leaching in step S, and drying a solid to obtain synthetical rutile, wherein a filtrate is a ferrous sulfate solution; and then performing step S or S to obtain a polymeric ferric sulfate finished product. The waste sulfuric acid is adopted in the present disclosure to leach the reduced ilmenite to prepare the synthetical rutile, a novel waste acid recycling mode is formed

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13-05-2021 дата публикации

METHOD FOR PREPARING 2-CHLORO-5-TRIFLUOROMETHYLPYRIDINE

Номер: US20210139428A1
Принадлежит:

The present invention provides a method for the preparing of 2-chloro-5-trifluoromethylpyridine, comprising two steps of chlorofluorination reaction and chlorination reaction, the chlorination catalyst used in the chlorination reaction was chosen from a fluoride, an oxide, a hydroxide, a carbonate, or a chloride of magnesium, calcium and barium and a supported palladium catalyst; or under the action of at least one catalyst chosen from ZSM-5, 5A, β and 13X molecular sieves, 3-trifluoromethylpyridine and chlorine gas phase have reaction to obtain 2-chloro-5-trifluoromethylpyridine. Or, under the action of a catalyst chosen from a fluoride, an oxide, a hydroxide, a carbonate, or a chloride of magnesium, calcium, and barium and a supported palladium catalyst, 3-trifluoromethylpyridine and chlorine gas phase have reaction to obtain 2-chloro-5-trifluoromethylpyridine. The present invention has the advantages of easily availability and low-cost of raw materials, safe operation, high yield, easy isolation and recovery of catalyst, environmental protection, fast reaction speed and continuous production on a large-scale, etc. 1. A method for preparing 2-chloro-5-trifluoromethylpyridine , wherein the method is a two-stage process , comprising:(1) Chlorofluorination reaction: the temperature of chlorofluorination is maintained at 150-320° C. in the presence of a chlorofluorination catalyst, and introduce 3-methylpyridine, chlorine gas and hydrogen fluoride to a chlorofluorination reaction zone to obtain a gas mixture containing 3-trifluoromethylpyridine;(2) Chlorination reaction: the temperature of chlorination is maintained at 220-380° C. in the presence of a chlorination catalyst, and introduce the gas mixture containing 3-trifluoromethylpyridine obtained in the step (1) into a chlorination reaction zone to obtain 2-chloro-5-trifluoromethylpyridine, the chlorination catalyst is chosen from a fluoride, an oxide, a hydroxide, a carbonate, or a chloride of magnesium, calcium, ...

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27-05-2021 дата публикации

Catalyst for Catalytic Oxidation of Furfural to Prepare Maleic Acid and Application Thereof

Номер: US20210154647A1
Принадлежит: HEFEI ENERGY RESEARCH INSTITUTE

A catalyst for catalytic oxidation of furfural to prepare maleic acid, relating to the technical field of renewable energy. The catalyst is a mixture of a bromide and a base. A method for preparing the catalyst in catalytic oxidation of furfural to prepare maleic acid. The method includes: mixing the furfural, the bromide-base, an oxidant and a solvent to carry out a reaction to obtain the maleic acid. The present invention has the advantages that the method has a relatively high conversion rate of furfural and a relatively high yield of maleic acid, the conversion rate of furfural is up to 99%, the yield of maleic acid is up to 68.04%; and the catalyst has a high catalytic selectivity and reusability.

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10-06-2021 дата публикации

Liquid Metal Condensate Catalyzed Hydrocarbon Pyrolysis

Номер: US20210170387A1
Принадлежит: PALO ALTO RESEARCH CENTER INCORPORATED

Methods comprising: evaporating a catalyst source to produce a catalyst gas; condensing the catalyst gas to produce a catalyst vapor comprising catalyst droplets suspended in a gas phase; and contacting the catalyst vapor with a hydrocarbon gas to catalyze a decomposition reaction of the hydrocarbon gas into hydrogen gas and carbon. And, systems comprising: a catalyst source evaporator that provides a first stream to a reactor; a hydrocarbon source that provides a second stream to the reactor; a cooling column coupled to the reactor via a third stream comprising hydrogen, catalyst liquid, solid carbon, optionally catalyst gas, and optionally unreacted hydrocarbon gas such that the cooling column receives the third stream from the reactor; and wherein the cooling column has effluent streams that include (a) a fourth stream that comprises hydrogen and optionally catalyst gas and (b) a fifth stream that comprises catalyst liquid. 1. A method comprising:evaporating a catalyst source to produce a catalyst gas; condensing the catalyst gas to produce a catalyst vapor comprising catalyst droplets suspended in a gas phase; andcontacting the catalyst vapor with a hydrocarbon gas so as to catalyze a decomposition reaction of the hydrocarbon gas into hydrogen gas and carbon.2. The method of further comprising:collecting the catalyst droplets to produce a mixture of the carbon and a catalyst liquid; and separating the carbon from the catalyst liquid.3. The method of claim 2 , wherein separating the carbon from the catalyst liquid comprises: evaporating the catalyst liquid from the carbon.4. The method of further comprising:recycling the catalyst liquid to the catalyst source for evaporation.5. The method of further comprising:condensing the catalyst droplets to produce a mixture of the carbon and a catalyst liquid; recycling the mixture to the catalyst source for evaporation; and separating the carbon from the catalyst source.6. The method of claim 1 , wherein the catalyst gas ...

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04-06-2015 дата публикации

FACILITATED CO2 TRANSPORT MEMBRANE AND METHOD FOR PRODUCING SAME, AND METHOD AND APPARATUS FOR SEPARATING CO2

Номер: US20150151243A1
Принадлежит: RENAISSANCE ENERGY RESEARCH CORPORATION

Provided is a facilitated COtransport membrane having an improved COpermeance and an improved CO/Hselectivity. The facilitated COtransport membrane includes a separation-functional membrane that includes a hydrophilic polymer gel membrane containing a COcarrier and a COhydration catalyst. Further preferably, the COhydration catalyst at least has catalytic activity at a temperature of 100° C. or higher, has a melting point of 200° C. or higher, or is soluble in water. 1. A facilitated COtransport membrane comprising a separation-functional membrane that includes a hydrophilic polymer gel membrane containing a COcarrier and a COhydration catalyst.2. The facilitated COtransport membrane according to claim 1 , wherein the COhydration catalyst has catalytic activity at a temperature of 100° C. or higher.3. The facilitated COtransport membrane according to claim 1 , wherein the COhydration catalyst has a melting point of 200° C. or higher.4. The facilitated COtransport membrane according to claim 1 , wherein the COhydration catalyst is soluble in water.5. The facilitated COtransport membrane according to claim 1 , wherein the COhydration catalyst contains an oxo acid compound.6. The facilitated COtransport membrane according to claim 5 , wherein the COhydration catalyst is an oxo acid compound of at least one element selected from group 6 elements claim 5 , group 14 elements claim 5 , group 15 elements and group 16 elements.7. The facilitated COtransport membrane according to claim 1 , wherein the COhydration catalyst contains at least one of a tellurous acid compound claim 1 , a selenious acid compound claim 1 , an arsenious acid compound and an orthosilicic acid compound.8. The facilitated COtransport membrane according to claim 1 , wherein the COhydration catalyst contains a molybdic acid compound.9. The facilitated COtransport membrane according to claim 1 , wherein the gel membrane is a hydrogel.10. The facilitated COtransport membrane according to claim 1 , wherein ...

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21-06-2018 дата публикации

NANOSTRUCTURED AMORPHOUS BORON MATERIAL

Номер: US20180169620A1
Принадлежит:

A nanostructured material consisting essentially of boron. The material is in amorphous form and comprising aggregates of boron nanoparticles. A method of preparation thereof and the uses thereof. 1. Nanostructured material consisting essentially of boron , wherein said material is in amorphous form and that it comprises aggregates of boron nanoparticles with a size less than or equal to 25 nm.2. Material according to claim 1 , wherein said material consists of at least 85 mol % of boron claim 1 , the remainder being inevitable impurities resulting from the method for producing said material and/or from its oxidation and/or from the equipment used in the production process.3. Material according to claim 2 , wherein the inevitable impurities resulting from the method for producing said material are one or more of the following elements: Li claim 2 , Na claim 2 , K claim 2 , Rb claim 2 , Cs claim 2 , I claim 2 , Cl claim 2 , Br claim 2 , F.4. Material according to claim 2 , wherein the inevitable impurities comprise at most 5 mol % of oxygen.5. Material according to claim 1 , wherein said material has a specific surface area Sof at least 500 m/g claim 1 , said specific surface area Sbeing calculated by the BET method.6. Material according to claim 1 , wherein said material has a density in the range from 1.1 to 2.3 claim 1 , said density being measured with a helium pycnometer.7. Method for preparing a nanostructured material consisting essentially of boron as per claim 1 , wherein said method comprises at least one step i) of heating claim 1 , under an inert atmosphere claim 1 , of a mixture comprising at least one boron hydride and at least one inorganic salt claim 1 , step i) being carried out at a temperature Tsufficient to decompose said boron hydride and for said salt to be at least partially in the molten state claim 1 , and in that it further comprises:a step ii) of cooling the mixture obtained at the end of step i), anda step iii) of purification of the ...

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02-07-2015 дата публикации

Phase Stability of Lanthanum-Manganese Perovskite in the Mixture of Metal Oxides

Номер: US20150182954A1
Принадлежит: Clean Diesel Technologies, Inc.

The present disclosure describes ZPGM material compositions including LaMnOperovskite structure mixed with a plurality of support oxide powders to develop suitable ZPGM catalyst materials. Bulk powder ZPGM catalyst compositions are produced by physically mixing bulk powder LaMnOperovskite with different support oxide powders calcined at about 1000° C. XRD analyses are performed for bulk powder ZPGM catalyst compositions to determine La—Mn perovskite phase formation and phase stability for a plurality of temperatures to about 1000° C. ZPGM catalyst material compositions including La—Mn perovskite structure mixed with doped zirconia, LaO, cordierite, and ceria-zirconia support oxides present phase stability, which can be employed in ZPGM catalysts for a plurality of DOC applications, thereby leading to a more effective utilization of ZPGM catalyst materials with high thermal and chemical stability in DOC products. 1. A composition comprising a catalyst comprising LaMnOperovskite in weight ratio of about 1:1 to an oxide powder selected from the group consisting of ZrO—PrO , NbO , BaO , LaO , CeO—ZrO , cordierite , or mixtures thereof.2. The composition of claim 1 , wherein the ceria-zirconia comprises 75% CeO.31. The composition of clam claim 1 , wherein the catalyst is calcined at about 1000° C.4. A heat stable catalyst composition comprising LaMn perovskite on a support oxide of LaO.54. The composition of clam claim 1 , wherein the catalyst is calcined at about 1000° C.6. A catalyst comprising a mixture of LaMnO claim 1 , NbO claim 1 , and LaNbO claim 1 , wherein the mixture results from the calcination of LaMn perovskite on a support oxide of NbO.76. The composition of clam claim 1 , wherein the catalyst is calcined at about 1000° C.8. A method for determining the phase stability of bulk La—Mn perovskite in selected support oxides claim 1 , comprising:{'sub': '3', 'providing a mixture comprising LaMnOperovskite and a plurality of metals; and'}analyzing the mixture ...

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29-06-2017 дата публикации

Cationically curable benzoxazine compositions

Номер: US20170183450A1
Принадлежит: Henkel IP and Holding GmbH

A curable composition is provided, which includes a benzoxazine component; and a cationic catalyst comprised of a lithium cation and an anion comprising a hexahalogenated Group 15 element.

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14-07-2016 дата публикации

INTERESTERIFICATION CATALYST AND PROCESS

Номер: US20160201011A1
Принадлежит:

A process for the production of an ester product from a mixture of at least two different ester compounds includes the steps of mixing together at least two different starting ester compounds to form a first ester mixture; and contacting the first ester mixture with a catalyst including from 30-60% of calcium oxide and at least one second metal oxide at a temperature of at least 180° C., for a duration of at least one hour, with mixing, to form a second ester mixture having a melting point which is lower than the melting point of the first ester mixture. 1. A process for the production of an ester product from a mixture of at least two different ester compounds comprises the steps of:a) mixing together at least two different starting ester compounds to form a first ester mixture; andb) contacting said first ester mixture with a catalyst comprising from 30-60% of calcium oxide and at least one second metal oxide to form a second ester mixture having a melting point which is lower than the melting point of said first ester mixture.2. A process as claimed in claim 1 , wherein at least one of the starting esters is a triglyceride.3. A process as claimed in claim 1 , wherein at least one of the starting ester compounds comprises an ester of a carboxylic acid containing from 12 to 24 carbon atoms.4. A process as claimed in claim 1 , wherein the catalyst is pre-dispersed in at least one of said starting ester compounds.5. A process as claimed in claim 1 , wherein the second metal oxide is selected from the group consisting of an oxide of a Group 2A metal other than calcium claim 1 , an oxide of a transition metal claim 1 , lanthana claim 1 , silica claim 1 , alumina and a metal aluminate.6. A process as claimed in claim 5 , wherein the second metal oxide comprises magnesium oxide.7. A process as claimed in claim 1 , wherein the catalyst further comprises from 1-5% of an alkali metal.8. A process as claimed in claim 1 , wherein the catalyst has a surface area less than 20 m ...

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20-08-2015 дата публикации

STEAM REFORMING CATALYST AND METHOD OF MAKING THEREOF

Номер: US20150231608A1
Принадлежит: Haldor Topsoe A/S

The invention provides a method for the production of a supported nickel catalyst, in which an aqueous mixture comprising an alkali metal salt plus other metal salts is sintered to form a support material. A supported nickel catalyst comprising potassium β-alumina is also provided. 1. A method for the production of a supported nickel catalyst precursor , said method comprising the steps of: i. a magnesium mineral or magnesium salt,', 'ii. optionally, a calcium mineral or calcium salt,', 'iii. an aluminium mineral or aluminium salt,', 'iv. an alkali metal salt, and', 'v. optionally water;, 'i. providing a mixture comprisingii. extruding said mixture and calcining the extrudate at a temperature from 300-600° C.iii. sintering said calcined mixture at a temperature of between 1100-1400° C. to form a support material;iv. impregnation of said support material with an aqueous solution comprising a nickel salt to provide a supported nickel catalyst precursor;v. optionally repeating step iv.2. A method for the production of a supported nickel catalyst claim 1 , said method comprising producing a supported nickel catalyst precursor via the method according to claim 1 , wherein claim 1 , after each impregnation step iv. the supported nickel catalyst precursor is decomposed to form a supported nickel catalyst claim 1 , suitably at temperatures between 350-500° C.3. The method according to claim 1 , wherein the mixture in step i. additionally comprises a mineral acid claim 1 , preferably nitric acid.4. The method according to claim 1 , additionally comprising the step of milling the calcined extrudate claim 1 , mixing with a binder and tabletting said extrudate claim 1 , between steps ii. and iii.5. The method according to claim 1 , wherein the alkali metal salt is a potassium or sodium salt claim 1 , preferably a potassium salt.6. The method according to claim 1 , wherein the mixture in step i is in the form of an aqueous solution claim 1 , an aqueous suspension claim 1 , a gel ...

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27-08-2015 дата публикации

PROCESS FOR PRODUCTION OF A SILICA-SUPPORTED ALKALI METAL CATALYST

Номер: US20150238942A1
Принадлежит:

A process for regenerating a silica-supported depleted alkali metal catalyst is described. The level of alkali metal on the depleted catalyst is at least 0.5 mol % and the silica support is a zero-gel. The process comprises the steps of contacting the silica supported depleted alkali metal catalyst with a solution of a salt of the alkali metal in a solvent system that has a polar organic solvent as the majority component. A re-impregnated catalyst prepared by the process of the invention any comprising a silicazero-gel support and a catalytic metal selected from an alkali metal in the range 0.5-5 mol % on the catalyst, wherein the surface area of the silica support is <180 m/g is also described. The invention is applicable to a process for preparing an ethylenically unsaturated acid or ester comprising contacting an alkanoic acid or ester of the formula R—CH—COOR, with formaldehyde or a suitable source of formaldehyde. 1. A process for regenerating a silica-supported depleted alkali metal catalyst wherein a level of alkali metal on the depleted catalyst is at least 0.5 mol % , andwherein the silica support is a zero-gel comprising the step of:contacting said silica supported depleted alkali metal catalyst with a solution of a salt of the alkali metal in a solvent system that has a polar organic solvent as the majority component.2. The process according to claim 1 , wherein a surface area of the catalyst is <180 m/g.3. The process according to claim 1 , wherein a bulk of a surface area of the silica is present in pores having a diameter ranging from 5 nm to 150 nm.4. The process according to claim 3 , wherein a bulk of pore volume of the silica is provided by pores having diameters ranging from 5 nm to 150 nm.5. The process according to claim 1 , wherein the alkali metal is selected from lithium claim 1 , sodium claim 1 , potassium claim 1 , rubidium claim 1 , and caesium.6. The process according to claim 1 , wherein the salt of the alkali metal is selected from the ...

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26-08-2021 дата публикации

Enhanced Reduction Bioremediation Method Using In-situ Alcoholysis

Номер: US20210260566A1
Принадлежит:

The present subject matter relates to a composition for in-situ remediation of soil and aquifer comprising of a water miscible oil; a solvent (for dissolving the vegetable oil to form a solution); and a catalyst (selected from enzymes biocatalysts, particularly lipases, alkaline compounds, heat or combinations thereof). The present subject matter provides a process for the preparation of the composition and application of the same for surface remediation. Further, the present subject matter provides an in-situ alcoholysis remediation method to reduce contaminant concentrations in aquifer and soil by enabling the generation of both soluble and slowly fermenting electron donors required for the anaerobic remediation of organohalide compounds contaminating soils and groundwater. The method of remediation includes mixing an engineered water-soluble oil or water miscible oil with a solvent and adding a catalyst to groundwater to promote the formation of fatty acid alkyl esters, carboxylic acid salts and glycerol. 1. A composition for in-situ remediation of soil and aquifer , said composition consisting essentially of:(a) a water miscible oil consisting of a vegetable oil and a surfactant;(b) a solvent miscible with water and adapted to dissolve the vegetable oil to form a solution; and(c) a catalyst selected from the group consisting of an enzyme defined by a biocatalyst, an alkaline compound, heat or combinations thereof.2. The composition as claimed in claim 1 , wherein the composition is used for removal of contaminants defined by at-least one of:recalcitrant organic and inorganic contaminants selected from the group consisting of halogenated straight-chain and aromatic hydrocarbons; perchlorate derivatives;explosives selected from the group consisting of nitroaromatic compound, nitramine compounds, nitrate esters, and energetic munitions residuals; nitrates; and oxidized metals; anda combination thereof.3. The composition as claimed in claim 1 , wherein said solvent ...

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26-08-2021 дата публикации

CATALYTIC ETHYNYLATION

Номер: US20210261488A1
Принадлежит:

The present invention relates to the catalytic ethynlation of αβ-unsaturated ketones for producing tertiary acetylenic alcohols. 2. Process according to claim 1 , whereinR is an aliphatic or aromatic hydrocarbon which is substituted with lower alkoxy or lower alkyl groups and{'sub': 1', '3, 'Ris CH.'}4. Process according to claim 1 , wherein the process is carried out at a temperature below +5° C.5. Process according to claim 1 , wherein the process is carried out at a temperature of from −60° C. to 5° C.6. Process according to claim 1 , wherein the process is carried out at atmospheric conditions.7. Process according to claim 1 , wherein the process is carried out at elevated pressure.8. Process according to claim 1 , herein the process is carried without any addition of water. The present invention relates to the catalytic ethynylation of α,β-unsaturated ketones for producing tertiary acetylenic alcohols.The ethynyated reaction products, α-alkynols, are important intermediates in organic synthesis. For example, ethynyl-β-ionol is an intermediate used in the preparation of vitamin A and β-carotene.The process for ethynylating of α,β-unsaturated ketones for producing tertiary acetylenic alcohols is well known and described in many patent (i.e. in U.S. Pat. Nos. 3,709,946; 3,082,260, 3,283,014, 4,147,886 and 4,320,236).In U.S. Pat. No. 4,320,236, the ethynylation is carried out in the presence of a monolithium acetylide-ammonia complex.In U.S. Pat. No. 4,147,886, the ethynylation is carried out in the presence of diluted KOH.Due to the importance of the ethynylated reaction products, there is always a need for an improved way to producing such products.Surprisingly, it was found that the use of solid KOH in the reaction process allows to carry out the ethynylation process in an easy way.Therefore, the present invention relates to a process (P) to produce compounds of formula (III)whereinR is hydrogen or an aliphatic, cyclo-aliphatic or aromatic hydrocarbon which can ...

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10-09-2015 дата публикации

Simultaneous Production of Base Oil and Fuel Components from Renewable Feedstock

Номер: US20150251168A1
Принадлежит: NESTE OIL OYJ

The present invention provides a method for simultaneous production of components suitable for production of base oil and fuel components. In the method a feedstock comprising fatty acids and/or fatty acid esters is entered into a reaction zone and subjected to a ketonisation reaction in the presence of a dual catalyst system. This system is configured to perform a ketonisation reaction and a hydrotreatment reaction, under hydrogen pressure. Subsequently ketones are obtained. 18.-.(canceled)9. A dual catalyst system configured to perform a ketonisation reaction and a hydrotreatment reaction , comprisinga metal oxide ketonisation catalyst in which the metal is selected from the group consisting of Na, Mg, K, Ca, Sc, Cr, Mn, Fe, Co, Ni, Cu, Zn, Sr, Ti, Y, Zr, Mo, Rh, Cd, Sn, La, Pb, Bi, Ti, V and other rare each metals and any combination thereof; anda metal hydrotreatment catalyst wherein the metal is selected from the group consisting of Fe, Pd, Pt, Ni, Mo, Co, Ru, Rh, W and any combination thereof.10. The dual catalyst system according claim 9 , to claim 9 , wherein said dual catalyst system comprises a mixture or combination of a ketonisation catalyst and a hydrotreatment catalyst.11. The dual catalyst system according to claim 10 , wherein said dual catalyst system contains 40-90% by weight of said ketonisation catalyst claim 10 , preferably 70-90% by weight of said ketonisation catalyst.122. The dual catalyst system according to claim claim 10 , wherein said ketonisation catalyst is a metal oxide catalyst claim 10 , in which the metal is selected from the group consisting of K claim 10 , Ti claim 10 , and a combination thereof.13. The dual catalyst system according to claim 9 , wherein the dual catalyst system is supported claim 9 , preferably on alumina claim 9 , silica or active carbon support.142. The dual catalyst system according to claim claim 9 , wherein said dual catalyst system comprises NiMo and K2O/TlO2 on a support.152. The dual catalyst system ...

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08-08-2019 дата публикации

PRODUCTION METHOD FOR N-(ALPHA-HYDROXYETHYL)FORMAMIDE, PRODUCTION METHOD FOR N-(ALPHA-ALKOXYETHYL)FORMAMIDE, PRODUCTION DEVICE FOR N-(ALPHA-HYDROXYETHYL)FORMAMIDE, AND PRODUCTION DEVICE FOR N-(ALPHA-ALKOXYETHYL)FORMAMIDE

Номер: US20190241502A1
Принадлежит: MITSUBISHI CHEMICAL CORPORATION

Provided is a production method for N-(α-hydroxyethyl) formamide, having a step (1) in which a basic catalyst stored in a catalyst supply device and formamide are mixed in a mixing tank; and a step (2) in which the formamide mixed with the basic catalyst is brought in contact with acetaldehyde and N-(α-hydroxyethyl) formamide is obtained. In step (1), at least part of the catalyst supply device is vibrated while the basic catalyst is supplied to the mixing tank. 1. A method for producing N-(α-hydroxyethyl)formamide , comprising:a step (1) of mixing a basic catalyst stored in a catalyst supply facility with formamide in a mixing tank;a step (2) of bringing the formamide mixed with the basic catalyst into contact with acetaldehyde and obtaining N-(α-hydroxyethyl)formamide; whereinthe basic catalyst is supplied to the mixing tank while vibrating at least a part of the catalyst supply facility in the step (1).2. The method for producing N-(α-hydroxyethyl)formamide according to claim 1 , wherein the catalyst supply facility includes a catalyst storage tank for storing the basic catalyst claim 1 , a powder feeder for supplying the basic catalyst claim 1 , and a catalyst supply pipe for supplying the basic catalyst.3. The method for producing N-(α-hydroxyethyl)formamide according to claim 1 , wherein at least a part of the catalyst supply facility is vibrated by hammering.4. The method for producing N-(α-hydroxyethyl)formamide according to claim 1 , wherein an amount of the basic catalyst supplied from the catalyst supply facility to the mixing tank is 90% by mass or more with respect to a total mass of the basic catalyst stored in the catalyst supply facility in the step (1).5. The method for producing N-(α-hydroxyethyl)formamide according to claim 2 , wherein the basic catalyst is filled in the powder feeder and then supplied to the mixing tank in the step (1).6. The method for producing N-(α-hydroxyethyl)formamide according to claim 1 , wherein the formamide and the ...

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06-09-2018 дата публикации

METHODS OF DEGRADING POLYMER COMPOSITES IN AQUEOUS FLUIDS USING CATALYSTS

Номер: US20180252082A1
Принадлежит:

Methods may include contacting a degradable polymer in a wellbore traversing a subterranean formation with a treatment fluid, wherein the treatment fluid is formulated with one or more polymer degrading catalysts; and allowing the degradable polymer composite to at least partially degrade. In another aspect, methods may be directed to designing a wellbore treatment that includes determining at least one degradation characteristic for one or more degradable polymers; formulating an aqueous treatment fluid based on the determined values, wherein the aqueous treatment fluid comprises one or more polymer degrading catalysts; contacting the degradable polymer with an aqueous fluid; and allowing the degradable polymer to at least partially degrade the degradable polymer. 1. A method comprising:contacting a degradable polymer composite in a wellbore traversing a subterranean formation with a treatment fluid, wherein the treatment fluid is formulated with one or more polymer degrading catalysts; andallowing the degradable polymer composite to at least partially degrade.2. The method of claim 1 , wherein the one or more polymer degrading catalysts are one or more selected from a group consisting of: TiCl claim 1 , FeCl claim 1 , ZnCl claim 1 , ZrCl claim 1 , AlCl claim 1 , GaCl claim 1 , BCl claim 1 , ZnF claim 1 , LiCl claim 1 , MgCl claim 1 , AlF claim 1 , SnCl claim 1 , SbCl claim 1 , SbCl claim 1 , HfCl claim 1 , ReCl; ScCl claim 1 , InCl claim 1 , BiCl; NbCl claim 1 , MoCl claim 1 , MoCl claim 1 , SnCl claim 1 , TaCl claim 1 , WCl claim 1 , WCl claim 1 , ReCl claim 1 , TlCl; SiCl claim 1 , FeCl claim 1 , CoCl claim 1 , CuCl claim 1 , CuCl claim 1 , GeCl claim 1 , YCl claim 1 , OsCl claim 1 , PtCl claim 1 , RuCl claim 1 , VCl claim 1 , CrCl claim 1 , MnCl claim 1 , NiCl claim 1 , RhCl claim 1 , PdCl claim 1 , AgCl claim 1 , CdCl claim 1 , IrCl claim 1 , AuCl claim 1 , HgCl claim 1 , HgCl claim 1 , PbCl claim 1 , sodium borate claim 1 , sodium pentaborate claim 1 , and ...

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24-09-2015 дата публикации

2-(ETHYLAMINO)ETHANOL PRODUCTION METHOD

Номер: US20150266807A1
Принадлежит: KOEI CHEMICAL COMPANY, LIMITED

The present invention relates to a production method for 2-(ethylamino)ethanol, including subjecting N-ethyldiethanolamine to a disproportionation reaction in the presence of at least one kind of catalyst selected from the group consisting of a manganese oxide catalyst and an alkali metal hydroxide-supporting zirconium oxide catalyst. According to the present invention, 2-(ethylamino)ethanol can be obtained by subjecting N-ethyldiethanolamine to the disproportionation reaction. 2-(Ethylamino)ethanol is a useful compound to be used in various applications such as a drug, an agricultural chemical, and a functional chemical. 1. A production method for 2-(ethylamino)ethanol , comprising subjecting N-ethyldiethanolamine to a disproportionation reaction in presence of at least one kind of catalyst selected from the group consisting of a manganese oxide catalyst and an alkali metal hydroxide-supporting zirconium oxide catalyst.2. A production method for 2-(ethylamino)ethanol according to claim 1 , wherein the disproportionation reaction comprises a gas-phase disproportionation reaction.3. A production method for 2-(ethylamino)ethanol according to claim 1 , further comprising allowing a reaction aid to be present in a reaction system.4. A production method for 2-(ethylamino)ethanol according to claim 3 , wherein the reaction aid comprises at least one kind selected from the group consisting of ethylamine and ammonia.5. A production method for 2-(ethylamino)ethanol according to claim 3 , wherein the reaction aid is used in an amount of from 0.5 to 5 mol with respect to 1 mol of N-ethyldiethanolamine.6. A production method for 2-(ethylamino)ethanol according to claim 1 , wherein the disproportionation reaction is performed in presence of at least one kind of gas selected from the group consisting of hydrogen claim 1 , nitrogen claim 1 , and oxygen.7. A production method for 2-(ethylamino)ethanol according to claim 1 , wherein the disproportionation reaction is performed at ...

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01-10-2015 дата публикации

Catalyst Mixture for Olefin Metathesis Reactions, Method of Producing Same, and Method of Producing Propylene Using Same

Номер: US20150273439A1
Принадлежит: Clariant Catalysts (Japan) K.K.

Provided is mixed catalysts for an olefin metathesis reaction having a high selectivity so that side reactions do not take place and having a high activity, which side reactions are polymerization reactions, isomerization from 2-butene to 1-butene, and reactions of 1-butene with other molecules. Mixed catalysts for an olefin metathesis reaction can be provided, the mixed catalyst comprising a metathesis catalyst which is tungsten oxide supported on a silica carrier and a co-catalyst that is composited from at least three oxides of Groups 1 and 2 metallic elements. By using the catalyst an olefin metathesis reaction of generating propylene from ethylene and 2-butene, the solid basicity to promote the metathesis reaction can be increase, and influences of gas containing isomers of 2-butene contained in raw material gas can be inhibited to increase the production efficiency of propylene even at low temperatures. 1. A mixed catalyst for an olefin metathesis reaction , comprising a metathesis catalyst which is tungsten oxide supported on a silica carrier and a co-catalyst which is complex oxide of at least three metallic elements of Groups 1 and 2 metallic elements.2. The mixed catalyst for an olefin metathesis reaction according to claim 1 , which is used in an olefin metathesis reaction whereby propylene is generated from ethylene and 2-butene.3. The mixed catalyst for an olefin metathesis reaction according to claim 1 , wherein the metal oxide comprises lithium and another alkali metal which are added to magnesium oxide.4. The mixed catalyst for an olefin metathesis reaction according to claim 1 , wherein said another alkali metal is at least one metal selected from the group consisting of sodium claim 1 , potassium claim 1 , rubidium claim 1 , and cesium.5. The mixed catalyst for an olefin metathesis reaction according to claim 1 , wherein said lithium and said another alkali metal are supported in an amount of supported metal of 0.01 to 4% by weight claim 1 , ...

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22-08-2019 дата публикации

Method for Synthesizing Ammonia, and Apparatus for Said Method

Номер: US20190256367A1

The purpose of the present invention is to provide a method for synthesizing ammonia and an apparatus for the method. The method for synthesizing ammonia according to the present invention comprises: a step of melting a metal containing at least an alkali metal; and a step of supplying a hydrogen gas and a nitrogen gas to the molten metal. 1. A method for synthesizing ammonia , comprising the steps of:a step of melting a metal containing at least an alkali metal; anda step of supplying a hydrogen gas and a nitrogen gas to the molten metal.2. The method according to claim 1 , wherein the alkali metal is at least one metal selected from the group consisting of lithium claim 1 , sodium claim 1 , potassium claim 1 , rubidium claim 1 , cesium claim 1 , and francium.3. The method according to claim 1 , wherein the alkali metal contains at least sodium.4. The method according to claim 1 , wherein the hydrogen gas and the nitrogen gas satisfy a range from 2:98 by volume ratio to 98:2 by volume ratio.5. The method according to claim 4 , wherein the hydrogen gas and the nitrogen gas satisfy a range from 25:75 by volume ratio to 90:10 by volume ratio.6. The method according to claim 1 , wherein the supplying step is performed under a pressure in a range from 1 atmosphere or more to less than 200 atmospheres.7. The method according to claim 6 , wherein the supplying step is performed under a pressure in a range from 1 atmosphere or more to less than 20 atmospheres.8. The method according to claim 1 , further comprising a step of cooling and collecting a gas generated in the supplying step.9. The method according to claim 1 , wherein the melting step is performed by melting the metal at a temperature range from higher than 530° C. to 600° C. or lower claim 1 , and the supplying step is performed under a pressure of 1 atmosphere.10. The method according to claim 1 , wherein the melting step comprises melting the metal and stirring the molten metal.11. The method according to ...

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20-08-2020 дата публикации

PROCESS FOR PRODUCTION OF ALLYL ALCOHOL

Номер: US20200262778A1
Принадлежит:

The invention relates to a process for producing allyl alcohol, the process comprising: 1. A process for producing allyl alcohol , the process comprising: 'wherein the dehydration is performed in the presence of a basic catalyst.', 'dehydrating a C3-oxygenate comprising monopropylene glycol or 1,3-propanediol;'}2. The process of claim 1 , wherein the C3-oxygenate is diluted with water claim 1 , preferably at a concentration of greater than 10 claim 1 , 20 claim 1 , 30 claim 1 , 40 or 50% and at a concentration of less than 100 claim 1 , 90 claim 1 , 80 claim 1 , 70 claim 1 , 60 or 50%.3. The process of claim 1 , wherein the basic catalyst comprises an element with an electronegativity of less than 2.0 claim 1 , more preferably less than 1.5 and most preferably less than 1.0 claim 1 , according to the Allred-Rochow scale of electronegativity.4. The process of claim 3 , wherein the element is from Group 1 and/or Group 2 claim 3 , preferably in the form of a metal oxide claim 3 , hydroxide or mixture thereof claim 3 , more preferably KOH.5. The process of claim 3 , wherein the basic element is carried on a support selected from the group consisting of SiO claim 3 , AlO claim 3 , ZrO claim 3 , TiO claim 3 , ZnO and CeO—ZrOand mixture thereof claim 3 , or on a carbon support.6. The process of claim 5 , wherein the catalyst is KOH/ZrO.7. The process of claim 1 , wherein the dehydration is conducted at a WHSV of ≥0.1 g/g/h and ≤10 g/g/h claim 1 , preferably ≥0.3 g/g/h claim 1 , and more preferably ≥1 g/g/h.8. The process of claim 1 , wherein the dehydrated C3-oxygenate comprising allyl alcohol is converted by oxidation into acrylic acid claim 1 , preferably in an oxidation reactor.9. The process of claim 8 , wherein the dehydrated C3-oxygenate is obtained as a fraction of dehydration effluent claim 8 , which fraction also comprises water claim 8 , and said fraction is fed to an oxidation reactor for converting the dehydrated C3-oxygenate into acrylic acid.10. The process ...

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27-08-2020 дата публикации

A CATALYST AND A PROCESS FOR THE PRODUCTION OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS OR ESTERS

Номер: US20200269214A1
Принадлежит:

A catalyst has a modified silica support and comprises a modifier metal, zirconium and/or hafnium, and a catalytic metal on the modified support. The catalyst has at least a proportion, typically, at least 25%, of modifier metal present in moieties having a total of up to 2 modifier metal atoms. The moieties may be derived from a monomeric and/or dimeric cation source. A method of production:— 1. A catalyst comprising a modified silica support comprising a modifier metal , and a catalytic metal on the modified silica support , wherein the modifier metal is selected from the group consisting of zirconium and hafnium , characterised in that at least a proportion of the said modifier metal is present in modifier metal moieties having a total of up to 2 modifier metal atoms.251-. (canceled)52. A catalyst according to claim 1 , wherein the modifier metal is present in the modified silica support in an effective amount to reduce sintering and improve selectivity of the catalyst.53. A catalyst according to claim 1 , wherein the catalytic metal is at least one alkali metal.54. A catalyst according to claim 1 , wherein the catalytic metal is caesium.55. A catalyst according to claim 1 , wherein catalytic metal is present in the range 0.5-7.0 mol/mol modifier metal.56. A modified silica support for a catalyst comprising a silica support and a modifier metal wherein the modifier metal is selected from the group consisting of zirconium and/or hafnium claim 1 , characterised in that at least a proportion of the modifier metal is present in modifier metal oxide moieties having a total at least 2 modifier metal atoms.57. A modified silica support according to claim 56 , wherein the modifier metal is an adsorbate adsorbed on the silica support surface.58. A modified silica support according to claim 56 , wherein the silica support is in the form of a silica gel.59. A modified silica support according to claim 56 , wherein the modifier metal is present in the support in the form of ...

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27-08-2020 дата публикации

ELECTRON DONOR, AND METHOD FOR SYNTHESIZING 4, 4'-BIPYRIDINE USING ELECTRON DONOR

Номер: US20200270212A1
Принадлежит:

Provided are an electron donor that is easy to handle and can be used to carry out a coupling reaction economically and efficiently through simple operations under mild conditions in a short period of time, and a method for synthesizing 4,4′-bipyridine using the electron donor. The electron donor includes a mixture of a dispersion product obtained by dispersing sodium in a dispersion solvent and 1,3-dimethyl-2-imidazolidinone, and this electron donor is used in the method for synthesizing 4,4′-bipyridine. 1. An electron donor comprising a mixture of a dispersion product obtained by dispersing sodium in a dispersion solvent , and 1 ,3-dimethyl-2-imidazolidinone.2. The electron donor according to claim 1 , wherein claim 1 , when the dispersion solvent is a nonpolar solvent that separates from the 1 claim 1 ,3-dimethyl-2-imidazolidinone claim 1 , and a specific gravity of the dispersion solvent is smaller than that of the 1 claim 1 ,3-dimethyl-2-imidazolidinone claim 1 , a lower layer of the mixture that has been divided into two layers is used as the electron donor.3. A method for synthesizing 4 claim 1 ,4′-bipyridine in which 4 claim 1 ,4′-bipyridine is obtained through a reaction between the electron donor according to and pyridine.4. A method for synthesizing 4 claim 2 ,4′-bipyridine in which 4 claim 2 ,4′-bipyridine is obtained through a reaction between the electron donor according to and pyridine. The present invention relates to an electron donor, and a method for synthesizing 4,4′-bipyridine using an electron donor.Coupling reactions are chemical reactions for selectively combining two molecules, particularly cyclic compounds such as aromatic compounds and aromatic heterocyclic compounds, into one molecule. For example, 4,4-bipyridine, which is one isomer of a bipyridine compound obtained by coupling pyridines to each other, can be used to synthesize a porous material through coordinated polymerization with a metal, and there are expectations regarding the ...

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04-10-2018 дата публикации

METHOD FOR SYNTHESIZING BIPYRIDINE COMPOUND AND METHOD FOR MANUFACTURING PYRIDINE COMPOUND

Номер: US20180282278A1
Принадлежит:

A target bipyridine compound is synthesized with high purity and a high yield in a simple and safe manner in a short period of time. A method for synthesizing a di-tert-butyl-2,2′-bipyridine compound is provided, and the method includes a step of reacting, in a reaction solvent, a tert-butylpyridine compound with a dispersion product obtained by dispersing an alkali metal in a dispersion solvent. A method for synthesizing a bipyridine compound having no substituents is also provided, and the method includes a step of reacting, in a reaction solvent, pyridine with a dispersion product obtained by dispersing an alkali metal in a dispersion solvent. 2. The method for synthesizing a bipyridine compound according to claim 1 , wherein a hydrogen donor is added to a reaction product produced through the reaction of the tert-butylpyridine compound with the dispersion product obtained by dispersing an alkali metal in a dispersion solvent.3. The method for synthesizing a bipyridine compound according to claim 1 , wherein the reaction solvent contains a hydrogen donor.4. The method for synthesizing a bipyridine compound according to claim 1 , wherein the tert-butylpyridine compound is 4-tert-butylpyridine claim 1 , and 4 claim 1 ,4′-di-tert-butyl-2 claim 1 ,2′-bipyridine is synthesized.5. The method for synthesizing a bipyridine compound according to claim 1 , wherein when a ratio of tetrahydrofuran serving as the reaction solvent with respect to 1 mmol of the tert-butylpyridine compound is set to 2 ml or more and 8 ml or less claim 1 , the alkali metal is used in an amount of 1 mol equivalent or more and 2.5 mol equivalents or less with respect to the tert-butylpyridine compound.7. The method for synthesizing a bipyridine compound according to claim 6 , wherein a hydrogen donor is added to a reaction product produced through the reaction of the pyridine with the dispersion product obtained by dispersing an alkali metal in a dispersion solvent.8. The method for synthesizing a ...

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03-09-2020 дата публикации

METAL-DECORATED BARIUM CALCIUM ALUMINUM OXIDE CATALYST FOR NH3 SYNTHESIS AND CRACKING AND METHODS OF FORMING THE SAME

Номер: US20200277198A1
Принадлежит:

Catalysts for NHcracking and/or synthesis generally include barium calcium aluminum oxide compounds decorated with ruthenium, cobalt, or both. These catalysts can be bonded to a metal structure, which improves thermal conductivity and gas conductance. 1. A method of cracking NHinto a N+H+NHmixture comprising:{'sub': '3', 'exposing NHto a catalyst comprising barium calcium aluminum oxide decorated with a catalytic species.'}2. The method of wherein the barium calcium aluminum oxide is selected from the group consisting of BaCaAlO claim 1 , BaCaAlO claim 1 , BaCaAlO claim 1 , BaCaAlO claim 1 , BaCaAlO claim 1 , BaCaAlO claim 1 , and BaCaAlO.3. The method of wherein the catalytic species comprises ruthenium.4. The method of wherein the catalytic species comprises cobalt.5. The method of wherein the catalytic species comprises cobalt oxide.6. The method of wherein the catalyst species comprises a mixture of ruthenium and cobalt claim 1 , a mixture of ruthenium and cobalt oxide claim 1 , or a mixture of ruthenium claim 1 , cobalt and cobalt oxide.7. The method of wherein aluminum oxide in the barium calcium aluminum oxide is partially or fully replaced with boron oxide.8. The method of wherein the barium calcium aluminum oxide decorated with catalytic species to which the NHis exposed is bonded to a metal monolith.9. The method of wherein the metal monolith is heated by passing an electric current therethrough while the NHis exposed to the catalyst.10. A method of synthesizing NHfrom a N+Hmixture comprising:{'sub': 2', '2, 'exposing N+Hto a catalyst comprising barium calcium aluminum oxide decorated with a catalytic species.'}11. The method of wherein the barium calcium aluminum is selected from the group consisting of BaCaAlO claim 10 , BaCaAlO claim 10 , BaCaAlO claim 10 , BaCaAlO claim 10 , BaCaAlO claim 10 , BaCaAlO claim 10 , and BaCaAlO.12. The method of wherein the catalytic species comprises cobalt.13. The method of wherein the catalyst species comprises a ...

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27-10-2016 дата публикации

HETEROGENEOUS HYDROCYANATION

Номер: US20160311763A1
Принадлежит: INVISTA NORTH AMERICA S.A R.L.

The present invention relates to an improved process for addition of hydrogen cyanide across olefins and, in particular, to the use of a specific aluminum oxide to catalyze the reaction. The aluminum oxide catalyst must have total alkali metal and/or alkaline earth metal content, measured in the form of alkali metal oxide and/or alkaline earth metal oxide, of less than 3,000 ppm by weight. 1. A process for addition of hydrogen cyanide across an olefin which comprises contacting an olefin with hydrogen cyanide at reaction conditions in the presence of an aluminum oxide catalyst , wherein the aluminum oxide catalyst has total alkali metal and/or alkaline earth metal content , measured in the form of alkali metal oxide and/or alkaline earth metal oxide , of less than 3 ,000 ppm by weight.2. The process of wherein the aluminum oxide catalyst has total alkali metal and/or alkaline earth metal content claim 1 , measured in the form of alkali metal oxide and/or alkaline earth metal oxide claim 1 , of less than 1000 ppm by weight.3. The process of wherein the aluminum oxide catalyst has total alkali metal and/or alkaline earth metal content claim 1 , measured in the form of alkali metal oxide and/or alkaline earth metal oxide claim 1 , of from 0 to 100 ppm by weight.4. The process of wherein the alkali metal is selected from the group consisting of sodium claim 1 , potassium and combinations thereof claim 1 , and the alkaline earth metal is selected from the group consisting of magnesium claim 1 , calcium and combinations thereof.5. The process of wherein the alkali metal is sodium and the alkaline earth metal is calcium.6. The process of wherein the olefin comprises a pentenenitrile claim 1 , a butenenitrile or a combination thereof.7. The process of wherein the olefin is selected from the group consisting of cis-2-pentenenitrile claim 6 , 3-pentenenitrile claim 6 , 2-methyl-3-butenenitrile claim 6 , and combinations thereof.8. The process of wherein the olefin is selected ...

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10-11-2016 дата публикации

CATALYST COMPOSITION FOR PREPARING O-PHENYLPHENOL AND METHOD FOR PREPARING O-PHENYLPHENOL WITH THE CATALYST COMPOSITION

Номер: US20160326077A1
Принадлежит:

A catalyst composition for preparing o-phenylphenol is provided. The catalyst composition includes a carrier; and a first active metal, a second active metal, and a catalytic promoter carried by the carrier. The first active metal is platinum, and the second active metal is selected from the first, second and third rows of transition metals of groups VIB and VIIIB. The present disclosure utilizes the carrier to carry the first active metal, the second active metal and the catalytic promoter so as to increase the selectivity of o-phenylphenol and the service life of a catalyst. 1. A catalyst composition for preparing o-phenylphenol , comprising:a carrier; anda first active metal, a second active metal and a catalytic promoter carried by the carrier, wherein the first active metal is platinum, the second active metal is selected from the group consisting of first, second and third rows of transition metals of groups VIB and VIIIB, and the catalytic promoter is selected from the group consisting of a metal salt and a metal hydroxide, and wherein a weight ratio of the second active metal to the first active metal is between 0.03 and 0.38.2. The catalyst composition for preparing o-phenylphenol according to claim 1 , wherein a weight ratio of the first active metal to the carrier is between 0.004 and 0.006.3. The catalyst composition for preparing o-phenylphenol according to claim 1 , wherein a weight ratio of the second active metal to the carrier is between 0.0002 and 0.0015.4. The catalyst composition for preparing o-phenylphenol according to claim 3 , wherein the weight ratio of the second active metal to the carrier is between 0.0005 and 0.0012.5. The catalyst composition for preparing o-phenylphenol according to claim 1 , wherein the second active metal is selected from the group consisting of chromium claim 1 , ruthenium claim 1 , iridium and nickel.6. The catalyst composition for preparing o-phenylphenol according to claim 1 , wherein the metal salt is selected ...

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17-11-2016 дата публикации

METHOD FOR PREPARING LACOSAMIDE

Номер: US20160332958A1
Принадлежит:

The present invention provides a novel method for preparing lacosamide with high chiral purity from D-serine. The method of the present invention can obtain lacosamide with high chiral purity in a high yield through a simple and environmentally-friendly process and thus can be easily applied to mass production. 2. The method of claim 1 , wherein the preparing the compound of represented by Formula 3 uses water as a solvent.3. The method of claim 1 , wherein the preparing the compound of represented by Formula 3 comprises:adding the inorganic lithium compound to an aqueous solution containing the compound represented by Formula 2; andadding the methylating agent after the addition of the inorganic lithium compound.4. The method of claim 1 , wherein the methylating agent is dimethylsulfate.5. The method of claim 1 , wherein the compound represented by Formula 2 is preparing by reacting D-serine with acetic anhydride.6. The method of claim 5 , wherein the reacting D-serine with acetic anhydride uses a mixture of water and C1-C3 alcohol as a solvent.7. The method of claim 5 , wherein the reacting D-serine and acetic anhydride is carried out in the presence of at least one selected from the group consisting of sodium hydrogen carbonate and potassium hydrogen carbonate.8. The method of claim 1 , wherein the inorganic lithium compound is lithium hydroxide (LiOH) or a hydrate thereof.9. The method of claim 1 , further comprising reacting the compound represented by Formula 3 with benzylamine.10. The method of claim 9 , wherein the reacting the compound represented by Formula 3 with benzylamine is carried out in the presence of isobutylchloroformate and a base.11. The method of claim 9 , wherein the reacting the compound represented by Formula 3 with benzylamine comprises:preparing a mixture containing the compound represented by Formula 3, isobutylchloroformate, and a base; andpreparing a reaction solution by adding benzylamine to the mixture.12. The method of claim 11 , ...

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15-10-2020 дата публикации

Linear Alpha Olefin Isomerization Using an Ebullated Bed Reactor

Номер: US20200325085A1
Принадлежит:

Ebullated bed reactors may be used to synthesize olefin compositions exhibiting low sediment toxicity and favorable pour points. The olefin compositions are formed by isomerizing linear alpha olefins (LAOs) into linear internal olefins (LIOs), skeletal isomerized branched olefins, or any combination thereof. Methods for preparing olefin compositions comprising LIOs and, optionally, branched olefins may comprise: providing an olefinic feed comprising one or more LAOs, and interacting the olefinic feed with a plurality of catalyst particulates in an ebullated bed reactor to form an isomerized product. The catalyst particulates are effective to isomerize the one or more LAOs into one or more of LIOs, skeletal isomerized branched olefins, or combinations thereof. The isomerized product may be incorporated in drilling fluids, particularly those intended for subsea use, due to their favorable environmental profile and low pour points. Some catalyst particulates may produce no more branching than that present in the LAOs. 1. A process comprising:providing an olefinic feed comprising one or more linear alpha olefins (LAOs); andinteracting the olefinic feed with a plurality of catalyst particulates in an ebullated bed reactor to form an isomerized product comprising one or more of linear internal olefins (LIOs), skeletal isomerized branched olefins, or any combination thereof, the catalyst particulates being effective to isomerize the one or more LAOs into the one or more of LIOs or skeletal isomerized branched olefins.2. The process of claim 1 , wherein the catalyst particulates comprise a zeolite catalyst.3. The process of claim 2 , wherein the zeolite catalyst is selected from the group consisting of ZSM-11 claim 2 , ZSM-23 claim 2 , ZSM-35 claim 2 , ZSM-48 claim 2 , ZSM-57 claim 2 , MCM-22 claim 2 , MCM-41 claim 2 , MCM-49 claim 2 , and USY.4. The process of claim 1 , wherein the ebullated bed reactor is ebullated with an ebullating liquid.5. The process of claim 4 , ...

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17-12-2015 дата публикации

A PROCESS FOR CATALYTIC GASIFICATION OF CARBONACEOUS FEEDSTOCK

Номер: US20150361362A1
Принадлежит: RELIANCE INDUSTRIES LIMITED

An improved process for the catalytic gasification of a carbonaceous feedstock in a dual fluidized bed reactor for producing synthesis gas is disclosed. The disclosure uses γ-alumina as a catalyst support iand heat carrier in the gasification zone (). The gasification zone () is operated at 700-750° C. to prevent substantial conversion of γ-alumina to α-alumina, which would manifest in the enablement of high catalyst loading and high recyclability. The catalyst is an alkali metal, preferably KCO, so that conversion proportional to total KCOto solid carbon ratio is achieved with as high KCOloading as 50 wt % on the solid support. The combustion zone () is operated at 800°-840° C., to prevent any conversion of the γ-alumina to α-alumina, so that catalyst recyclability of up to 98% is achieved between two successive cycles. 1. A process for catalytic gasification of a carbonaceous feedstock to synthesis gas , said process comprising the following steps:{'b': 102', '202, 'i. gasifying a primary portion of said carbonaceous feedstock in a fluidized gasification zone (, ) at a temperature between 600-800° C. with steam and in the presence of an alkali metal catalyst impregnated on a solid particulate carrier, to produce synthesis gas; wherein heat for the endothermic gasification reaction is supplied by heated solid particulate carrier provided in said gasification zone at a carrier to feedstock ratio of 10 to 50;'}{'b': 102', '202, 'ii. discharging heat-extracted solid particulate carrier impregnated with said alkali metal catalyst from the operative top of the fluidized gasification zone (, ); and'}{'b': 140', '240, 'iii. combusting a secondary portion of said carbonaceous feedstock and unreacted carbon from said gasification zone in a fluidized combustion zone (, ) at a temperature between 800-840° C. with air, wherein heat generated during the exothermic combustion reaction is transferred to said heat-extracted solid particulate carrier to provide said heated solid ...

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13-12-2018 дата публикации

CARBOXYLIC ACID ESTER PRODUCTION METHOD

Номер: US20180354885A1
Принадлежит: MITSUBISHI CHEMICAL CORPORATION

Provided is a production method whereby corresponding carboxylic acid esters can be obtained from a variety of carboxylic acids at a high yield, even under conditions using a simple reaction operation and little catalyst and even if the amount of substrate used is theoretical. A production method for carboxylic acid ester, whereby a prescribed diester dicarbonate, carboxylic acid, and alcohol are reacted in the presence of at least one type of magnesium compound and at least one type of alkali metal compound. 2: The method according to claim 1 , wherein the alkali metal compound comprises lithium.3: The method according to claim 1 , wherein the compound represented by the formula (I) is di-t-butyl dicarbonate.4: The method according to claim 1 , wherein the carboxylic acid is a (meth)acrylic acid.5: The method according to claim 1 , wherein the alcohol is an aromatic alcohol.6: The method according to claim 1 , wherein said reacting is carried out by adding 0.1˜10 mol of the carboxylic acid and 0.1˜10 mol of the alcohol relative to 1 mol of the compound represented by the formula (I).7: The method according to claim 1 , wherein said reacting is carried out in the presence of the magnesium compound and alkali metal compound claim 1 , each being set at 0.001˜1000 mol % of the alcohol. The present invention relates to a method for producing a carboxylic acid ester.Carboxylic acid esters are broadly used as solvents as well as raw materials for fragrances, resins, coatings, adhesives and the like. In a known carboxylic acid ester production method, di-t-butyl dicarbonate, a carboxylic acid and an alcohol are reacted to produce the corresponding carboxylic acid ester.Non-Patent Literature 1 describes a method for producing a carboxylic acid ester by reacting di-t-butyl dicarbonate, a carboxylic acid and an alcohol in the presence of magnesium chloride.Non-Patent Literature 2 describes a method for producing a carboxylic acid ester by reacting di-t-butyl dicarbonate, a ...

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05-12-2019 дата публикации

System for Making and Using a Composition of Matter

Номер: US20190367641A1
Принадлежит:

A system for making and using a ground product that includes one or more of: a reactor operated to react a guar split with a reagent at a reaction temperature in a range of 120° F. to 180° F. to form a guar derivative, and a treatment and transfer section for optionally treating the guar derivative and transferring the guar derivative to a co-grinder. The co-grinder is operably associated with a heated vacuum system and is operated to co-grind an acid with the guar derivative to form a ground product. 1. A system for making and using a ground product composition of matter , the system comprising:a reactor operated with a reaction temperature range of 120° F. to 180° F., wherein a guar split and at least one reagent are fed to, and reacted within, the reactor to form a guar derivative;a transfer and treatment section operably coupled with the reactor, wherein the guar derivative is treated and transferred;a co-grinder operably associated with the transfer and treatment section, whereby the guar derivative is transferred thereto, wherein the co-grinder is further fed an acid, and wherein the co-grinder operates to grind the guar derivative and the acid together to form a ground product characterized by at least 90% by weight of a given quantity thereof having an average particle bulk diameter less than or equal to 74 microns; a combustion burner;', 'a dust collector configured for use as a dryer; and', 'a blower configured for pulling a vacuum., 'a heated vacuum system operably associated with the co-grinder, the heated vacuum system comprising2. The system of claim 1 , wherein the reactor is operated with a batch reaction time in the range of 1.5 hours to 2.5 hours.3. The system of claim 1 , the system further comprising a caustic feed source comprising a caustic material claim 1 , wherein the feed source in communication with the reactor claim 1 , and wherein the caustic material is fed to the reactor claim 1 , and wherein the acid comprises powdered carboxylic acid ...

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05-12-2019 дата публикации

CATALYST SYSTEM

Номер: US20190367669A1
Автор: Streng Michael
Принадлежит: EPC Engineering & Technologies GMBH

The invention relates to a method for producing a polycarbonate and the reaction of one or more diaryl carbonates with one or more aromatic compounds, wherein a catalyst combination is used in the process. The invention further relates to a catalyst combination and to the use thereof in a process for producing a polycarbonate. 1. A process for producing a polycarbonate , the process comprising: a first component comprising one or more quaternary nitrogen compounds;', 'a second component comprising one or more quaternary phosphorus compounds;', 'a third component comprising one or more alkali metal compounds; and', 'a fourth component comprising one or more sulphur-containing organic compounds., 'reacting one or more diaryl carbonates with one or more aromatic hydroxy compounds, wherein in the process a catalyst combination is employed which comprises2. The process according to claim 1 , characterized in that the first component comprises one or more quaternary nitrogen compounds having the general structure [(R)—N][X] claim 1 , wherein R represents claim 1 , independently of each other the same or different alkyl and/or aryl groups claim 1 , and X— comprises inorganic or organic anions claim 1 , in particular hydroxide claim 1 , sulphate claim 1 , carbonate claim 1 , formate claim 1 , benzoate claim 1 , phenolate claim 1 , wherein the first component comprises in particular one or more of the following compounds: tetramethylammonium hydroxide claim 1 , tetraethylammonium hydroxide claim 1 , tetrabutylammonium hydroxide claim 1 , tetramethylammonium formate claim 1 , tetraethylammonium formate claim 1 , tetrabutylammonium formate claim 1 , tetramethylammonium acetate claim 1 , tetraethylammonium acetate claim 1 , tetrabutylammonium acetate claim 1 , tetramethylammonium fluoride claim 1 , tetraethylammonium fluoride claim 1 , tetrabutylammonium fluoride;or{'sub': '4', 'sup': +', '−, 'in that the second component comprises one or more quaternary phosphorus compounds ...

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12-12-2019 дата публикации

CATALYTIC COOKSTOVE WITH PASSIVE CONTROL OF DRAFT AND METHOD OF USE

Номер: US20190374907A1
Принадлежит:

A catalytic cookstove, for use in cooking, heating, and lighting, is disclosed for reducing particulate matter and carbon monoxide emissions. A non-platinum group metal catalyst promotes oxidation of particulate matter and carbon monoxide to produce carbon dioxide. Additionally, a passive damper automatically adjusts the fuel-to-air ratio based upon the size of fuel fed to the stove to ensure catalyst light off. 1. A solid-fuel burning stove comprising:a stove body defining a combustion chamber;the stove body comprising an inlet adapted to receive solid fuel, the inlet being disposed substantially at a base of the combustion chamber and the inlet defining a passage for the intake of air and fuel into the chimney; anda catalyst coated substrate comprising a PGM-free, catalytic compound and adapted to permit the flow of exhaust gases therethrough and to expose the catalytic compound to the exhaust gases, the catalyst coated substrate being disposed substantially across the width of the combustion chamber.2. The solid fuel burning stove of further comprising a passive damper disposed within the inlet claim 1 , the damper adapted to at least partially block the flow of air into the chimney;wherein the damper is adapted to transition from a first position to a second position upon impingement thereon by solid fuel received into the inlet.3. The solid fuel burning stove of further comprising a support disposed on the stove body above the exhaust conduit claim 1 , the support adapted to receive a cooking vessel.4. The solid fuel burning stove of wherein:the passive damper is comprised of a plate suspended from a hinge, the hinge being disposed along the top of the inlet;the hinge and plate are adapted to enable the plate to swing from a substantially vertical position to an angled position; andthe plate blocks a greater proportion of the inlet passage in the vertical position than in the angled position.5. The solid fuel burning stove of wherein the plate is perforated.6. ...

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19-12-2019 дата публикации

METHOD FOR PRODUCING AROMATIC NITRILE COMPOUND AND METHOD FOR PRODUCING CARBONIC ACID ESTER

Номер: US20190382345A1
Принадлежит: MITSUBISHI GAS CHEMICAL COMPANY, INC.

Provided is a method for regenerating an aromatic amide compound into a corresponding aromatic nitrile compound, the method realizing a dehydration reaction of providing a target compound selectively at a high yield, with generation of a by-product being suppressed. Also provided is a method for producing an aromatic nitrile compound that decreases the number of steps of the dehydration reaction and significantly improves the reaction speed even at a pressure close to normal pressure. In addition, the above-described production method is applied to a carbonate ester production method to provide a method for producing a carbonate ester efficiently. The above-described methods are realized by a method for producing an aromatic nitrile compound including a dehydration reaction of dehydrating an aromatic amide compound, in which the dehydration reaction uses, as a solvent, any of 1,2-dimethoxybenzene, 1,3-dimethoxybenzene and 1,3,5-trimethoxybenzene. 1. A method for producing an aromatic nitrile compound , comprising:a dehydration reaction of dehydrating an aromatic amide compound;wherein the dehydration reaction uses a solvent comprising one or a plurality of substances selected from 1,2-dimethoxybenzene, 1,3-dimethoxybenzene and 1,3,5-trimethoxybenzene.2. The method for producing an aromatic nitrile compound according to claim 1 , wherein a total amount of the one or the plurality of substances selected from 1 claim 1 ,2-dimethoxybenzene claim 1 , 1 claim 1 ,3-dimethoxybenzene and 1 claim 1 ,3 claim 1 ,5-trimethoxybenzene is 5% by weight or greater with respect to the solvent.3. The method for producing an aromatic nitrile compound according to claim 1 , wherein the solvent is formed of only the one or the plurality of substances selected from 1 claim 1 ,2-dimethoxybenzene claim 1 , 1 claim 1 ,3-dimethoxybenzene and 1 claim 1 ,3 claim 1 ,5-trimethoxybenzene.4. The method for producing an aromatic nitrile compound according to claim 1 , wherein the solvent is a mixed ...

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17-12-2020 дата публикации

METHOD FOR PRODUCING AROMATIC NITRILE COMPOUND AND METHOD FOR PRODUCING CARBONIC ACID ESTER

Номер: US20200392085A1
Принадлежит: MITSUBISHI GAS CHEMICAL COMPANY, INC.

Provided is a method for regenerating an aromatic amide compound into a corresponding aromatic nitrile compound, the method realizing a dehydration reaction of providing a target compound selectively at a high yield, with generation of a by-product being suppressed. Also provided is a method for producing an aromatic nitrile compound that decreases the number of steps of the dehydration reaction and significantly improves the reaction speed even at a pressure close to normal pressure. In addition, the above-described production method is applied to a carbonate ester production method to provide a method for producing a carbonate ester efficiently. The above-described methods are realized by a method for producing an aromatic nitrile compound including a dehydration reaction of dehydrating an aromatic amide compound, in which the dehydration reaction uses, as a solvent, any of 1,2-dimethoxybenzene, 1,3-dimethoxybenzene and 1,3,5-trimethoxybenzene. 1. A method for producing an aromatic nitrile compound , comprising:a dehydration reaction of dehydrating an aromatic amide compound;wherein the dehydration reaction uses a solvent comprising 1,2,3,4-tetrahydronaphthalene and optionally 1,2-dimethoxybenzene, 1,3-dimethoxybenzene, 1,3,5-trimethoxybenzene, or mixtures thereof; and a catalyst comprising cesium.2. A method for producing a carbonate ester , comprising:a first reaction step including a carbonate ester generation reaction of reacting an alcohol and carbon dioxide in the presence of an aromatic nitrile compound to generate a carbonate ester and water, and a hydration reaction of hydrating the aromatic nitrile compound with the generated water to generate an aromatic amide compound; anda second reaction step of, after the aromatic amide compound is separated from a reaction system of the first reaction step, regenerating the aromatic amide compound into an aromatic nitrile compound by a dehydration reaction of dehydrating the aromatic amide compound in a solvent ...

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26-12-2019 дата публикации

METHOD FOR PRODUCING FLUORINATED HYDROCARBONS

Номер: US20190389790A1
Автор: SUGIMOTO Tatsuya
Принадлежит: ZEON CORPORATION

Provided is a method for industrially advantageously producing a fluorinated hydrocarbon (3). The disclosed method for producing a fluorinated hydrocarbon represented by formula (3) includes bringing into contact, in a hydrocarbon-based solvent, a secondary or tertiary ether compound represented by formula (1) below with an acid fluoride represented by formula (2) in the presence of lithium salt or sodium salt (in the formulae, Rand Reach represent a Calkyl, and Rand Rmay be bonded to each other to form a ring structure; Rrepresents a hydrogen atom, methyl, or ethyl; and Rand Reach represent methyl or ethyl). 2. The production method according to claim 1 , wherein the lithium salt or the sodium salt is inorganic acid salt.3. The production method according to claim 1 , wherein the ether compound represented by the formula (1) is sec-butyl methyl ether or t-butyl methyl ether.4. The production method according to claim 1 , wherein the acid fluoride represented by the formula (2) is acetyl fluoride.5. The production method according to claim 1 , wherein the fluorinated hydrocarbon represented by the formula (3) is 2-fluorobutane. Disclosed is a method for producing fluorinated hydrocarbons useful as, for example: plasma reaction gases used in plasma etching, plasma chemical vapor deposition (plasma CVD) and the like; fluorine-containing medical intermediates; and hydrofluorocarbon-based solvents. Highly purified fluorinated hydrocarbons are suitable as plasma etching gases, plasma CVD gases and the like, in particular, in the field of producing semiconductor devices using plasma reaction.Recently, miniaturization of semiconductor production techniques has increasingly progressed, in such a way that the state-of-the-art process has adopted generations having wiring widths of the order of 20 nm and further 10 nm. Miniaturization goes with the enhancement of the technical difficulty in the miniaturization processing, and technical developments have been progressed from ...

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24-12-2020 дата публикации

CATALYST FOR USE IN HYDROLYSIS OF CARBONYL SULFIDE, AND METHOD OF PRODUCING SAME

Номер: US20200398256A1

A catalyst for COS hydrolysis includes a catalyst containing titanium dioxide that supports a barium compound and a co-catalyst. The catalyst containing titanium dioxide that supports a barium compound is a molded catalyst comprising a honeycomb substrate. The co-catalyst is at least one selected from the group consisting of a potassium compound, a sodium compound, and a cesium compound. 1. A catalyst for COS hydrolysis comprising:a catalyst containing titanium dioxide supporting a barium compound; anda co-catalyst,wherein the catalyst containing titanium dioxide supporting a barium compound is a molded catalyst comprising a honeycomb substrate, andthe co-catalyst is at least one selected from the group consisting of a potassium compound, a sodium compound, and a cesium compound.2. The catalyst for COS hydrolysis according to claim 1 , wherein the co-catalyst is supported on the molded catalyst.3. The catalyst for COS hydrolysis according to claim 1 , wherein the co-catalyst is supported in a molar ratio from 1 to 4 with respect to the barium compound.4. The catalyst for COS hydrolysis according to claim 1 , wherein the barium compound is supported in an amount of 2% by weight or greater and 8% by weight or less in terms of barium oxide with respect to the catalyst supporting the barium compound.5. The catalyst for COS hydrolysis according to claim 1 , wherein the co-catalyst is a potassium compound.6. A method of producing a catalyst for COS hydrolysis claim 1 , the method comprising the steps of:impregnating a catalyst containing titanium dioxide supporting a barium compound with an aqueous solution containing a metal salt of a co-catalyst;drying the impregnated catalyst; andcalcining the dried catalyst to allow the co-catalyst to be supported on the catalyst,wherein the catalyst containing titanium dioxide supporting a barium compound is a molded catalyst comprising a honeycomb substrate, andthe co-catalyst is at least one selected from the group consisting of a ...

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30-08-2022 дата публикации

Potassium-promoted red mud as a catalyst for forming hydrocarbons from carbon dioxide

Номер: US11426708B2

A method and catalyst for forming higher carbon number products from carbon dioxide is provided. An exemplary catalyst includes red mud including iron and aluminum, and impregnated potassium.

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13-11-1984 дата публикации

Oxidative dehydrogenation of paraffins

Номер: US4482646A
Принадлежит: Phillips Petroleum Co

An oxidative dehydrogenation process for a paraffin or mixture of paraffins having from 2 to 5 carbon atoms employing a catalyst composition comprising lithium and titanium. The selectivity of the catalyst composition may be improved by adding manganese to the catalyst composition.

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22-02-1977 дата публикации

Polymerization of olefins

Номер: US4009327A
Автор: Donald R. Witt
Принадлежит: Phillips Petroleum Co

Olefin polymerization process employing a catalyst formed of a silica produced using lithium silicate. Ethylene polymers of higher melt index are produced than when sodium silicate is employed.

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01-04-1975 дата публикации

Large pore silicas

Номер: US3875079A
Автор: Donald R Witt
Принадлежит: Phillips Petroleum Co

Olefin polymerization catalysts, formed of a silica produced employing lithium silicate, produce ethylene polymers of higher melt index than are obtained when sodium silicate is employed.

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01-06-1983 дата публикации

Process for preparing a catalyst based on gamma-alumina

Номер: PT76765A
Принадлежит: Snam Progetti

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22-04-2019 дата публикации

올레핀 메타세시스 반응용 혼합 촉매와 그 제조방법 및 그것을 사용한 프로필렌 제조방법

Номер: KR101971261B1

부반응인 중합반응이나, 2-부텐으로부터1-부텐에의 이성화 및1-부텐과 다른 분자와의 반응이 일어나지 않는 고선택성이면서도 고활성인 올레핀 메타세시스 반응용 혼합 촉매를 제공한다. 산화 텅스텐이 실리카 담체에 담지된 메타세시스 촉매와, 1족 및 2족의 금속 원소 중 적어도 3개의 금속 원소의 산화물에 의해 복합화된 조촉매를 포함하는 올레핀 메타세시스 반응용 혼합 촉매를 제공하며, 에틸렌과2-부텐으로부터 프로필렌을 생성하는 올레핀 메타세시스 반응에 사용함으로써, 메타세시스 반응을 촉진하는 고체 염기성을 높일 수 있고, 원료 가스중에 포함되는2-부텐의 이성체를 포함하는 가스의 영향을 억제하고, 저온에서도 프로필렌의 생산 효율을 높일 수 있다.

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11-09-2018 дата публикации

Method for obtaining olefin hydrocarbons

Номер: RU2666541C1

FIELD: technological processes.SUBSTANCE: method for producing olefinic hydrocarbons by dehydrogenating the corresponding paraffinic hydrocarbons, carried out in a fluidized bed of a finely dispersed oxide alumina chromium catalyst circulating in a reactor-regenerator system, including coke combustion and oxidation of the catalyst with air oxygen in a regenerator, reduction of the oxidized catalyst with hydrogen-methane-containing gas, desorption of the reduction products and reaction with an inert gas, feeding with fresh catalyst. Process is carried out with the withdrawal of part of the circulating catalyst from the system in an amount of 0.07–0.8 wt. % of the supply of raw materials to the reactor for the production of olefinic hydrocarbons and subsequent feeding it with a catalyst, obtained by the method of molding from the sol and containing 0.5–3.5 wt. % hexavalent chromium, in an amount that ensures a constant amount of catalyst in the system, and further, a catalyst prepared by a method of impregnating a carrier and containing 1.2–4.0 wt. %. hexavalent chromium in an amount providing hexavalent chromium content in the oxidized catalyst in the range of 0.25–1.5 wt. %.EFFECT: improvement of technical and economic indicators of processes for the production of olefinic hydrocarbons by reducing catalyst consumption and increasing yields of olefinic hydrocarbons.11 cl, 1 dwg, 2 tbl, 2 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК C07C 5/333 C07C 11/08 C07C 11/10 B01J 21/08 B01J 23/04 B01J 23/26 ФЕДЕРАЛЬНАЯ СЛУЖБА B01J 35/02 ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ B01J 37/02 (12) (11) (13) 2 666 541 C1 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C07C 5/333 (2018.08); C07C 11/08 (2018.08); C07C 11/10 (2018.08); B01J 21/08 (2018.08); B01J 23/04 (2018.08); B01J 23/26 (2018.08); B01J 35/02 (2018.08); B01J 37/02 (2018.08) (21)(22) Заявка: 2017142195, 04.12.2017 04.12.2017 Дата регистрации: Приоритет(ы): ( ...

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04-03-1999 дата публикации

METHOD FOR PRODUCING AN ISOMERIZATION CATALYST

Номер: DE69416155D1
Принадлежит: Exxon Chemical Patents Inc

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23-02-1999 дата публикации

塩基触媒及びカルボニル化合物誘導体の製造方法

Номер: JPH01147591A
Принадлежит: Chisso Corp

(57)【要約】 【課題】 アルドール反応等に適用できる、高活性で目 的とする生成物を高い選択率で得ることができる効率の 良い塩基触媒を提供することを課題とする。 【解決手段】 アルカリ金属のアルコキシド、水酸化物 及び酸化物からなる群から選ばれる一種以上のアルカリ 金属化合物とアルカリ土類金属酸化物とをアルカリ金属 化合物の重量/アルカリ土類金属酸化物の重量=0.0 05〜1の範囲で調製して得られる塩基触媒をアルデヒ ドの縮合反応に用いてグリコールモノエステルを製造す る。

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20-04-2012 дата публикации

Carbon-based catalyst for flue gas desulphurisation and method of producing said catalyst and use thereof in removing mercury from flue gases

Номер: RU2447936C1
Принадлежит: Тийода Корпорейшн

FIELD: chemistry. ^ SUBSTANCE: carbon-based catalyst for flue gas desulphurisation is brought into contact with flue gases containing at least gaseous SO2, oxygen and water vapour so that gaseous SO2 can react with oxygen and water vapour to form sulphuric acid which needs to be extracted. The inside of the pores of the catalyst are first moistened. Iodine, bromine or a compound thereof is introduced onto the surface of the carbon-based catalyst as a result of addition, ion exchange or deposition onto the support and water-repellent treatment is carried out. As a result of water-repellent treatment, the catalyst contains a resin which is characterised by limiting wetting angle with respect to water of 90 or more. The carbon-based catalyst can also be used as a mercury adsorbent for treating flue gases, which is meant to adsorb and remove mercury metal from flue gases containing mercury metal, gaseous SO2, oxygen and water vapour. ^ EFFECT: degree of mercury removal reaches 100%, the catalyst retains stable activity on desulphurisation and removal of mercury during a long period of time without deterioration of properties. ^ 15 cl, 1 tbl, 11 dwg, 14 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 447 936 (13) C1 (51) МПК B01J B01J B01J B01J B01J B01D ФЕДЕРАЛЬНАЯ СЛУЖБА B01D ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ B01D (12) ОПИСАНИЕ 21/18 27/08 31/06 33/00 37/22 53/48 53/64 53/86 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2010142494/04, 04.06.2008 (24) Дата начала отсчета срока действия патента: 04.06.2008 (73) Патентообладатель(и): ТИЙОДА КОРПОРЕЙШН (JP) (45) Опубликовано: 20.04.2012 Бюл. № 11 C 1 2 4 4 7 9 3 6 C 1 R U (85) Дата начала рассмотрения заявки PCT на национальной фазе: 19.10.2010 (86) Заявка PCT: JP 2008/060631 (04.06.2008) (87) Публикация заявки РСТ: WO 2009/116183 (24.09.2009) Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр.3, ООО "Юридическая фирма Городисский и Партнеры", А.В. ...

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09-10-2020 дата публикации

一种CaTiO3/CaO/TiO2复合材料的制备方法及其应用

Номер: CN111744467A

本发明提供一种CaTiO 3 /CaO/TiO 2 复合材料的制备方法,常温下,取TiOSO 4 和CaCO 3 分别超声搅拌溶于溶剂中形成两份溶液,再将两份溶液混合搅拌得到均匀的混合溶液;取CO(NH 2 ) 2 溶于去离子水中获得pH调节剂;混合溶液置于磁力搅拌器中搅拌后,向混合溶液中滴加pH调节剂,得到均一的混合溶液;将均一的混合溶液转移至反应釜中水热反应后,经抽滤、洗涤、干燥得到白色粉体;将白色粉体置于马弗炉中煅烧后,取出研磨均匀得到复合材料。其优点在于:采用CaCO 3 为钙源节约生产成本,采用弱碱性CO(NH 2 ) 2 为pH调节剂,避免了NaOH溶液或KOH溶液为pH调节剂带来的强碱污染,CaO提供了有利于复合材料光催化降解的碱性环境,反应过程绿色环保,具有良好光催化活性,节约成本和提高水体污染治理效果。

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09-06-2017 дата публикации

Catalyst of dehydration of paraffin hydrocarbons, method of its production and method for dehydrated hydrocarbons using this catalyst

Номер: RU2622035C1

FIELD: chemistry. SUBSTANCE: catalyst containing chromium, potassium and/or sodium, cerium and/or zirconium oxides applied to a composite support including aluminium oxide and aluminium is described. The carrier contains 2-5% of aluminium, and the carrier is obtained by hydrothermal treatment of powdered metal aluminium with a particle size of 10÷500 nm in one step in a weight ratio of Al:H 2 O=1:17 at relatively low temperatures (20÷100°C) and atmospheric pressure for 15 minutes (without preliminary preparation of materials and without the use of autoclave equipment) followed by heat treatment at a temperature of 95-700°C. The process of preparing the catalyst comprises impregnating the support with an aqueous solution containing soluble compounds of chromium, potassium and/or sodium, cerium and/or zirconium, followed by drying at 95-120°C and calcination at 400-800°C for 4 hours. The process of dehydrogenation of paraffinic hydrocarbons in a stationary bed is described using the above-mentioned aluminium chromium catalyst. EFFECT: production of granular alumochrome catalyst with high mechanical stability and catalytic activity in dehydrogenation of paraffinic hydrocarbons into the respective unsaturated hydrocarbons. 3 cl, 2 tbl, 7 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА (21)(22) Заявка: (19) (13) 2 622 035 C1 ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ 2016118373, 12.05.2016 12.05.2016 Дата регистрации: Приоритет(ы): (22) Дата подачи заявки: 12.05.2016 (45) Опубликовано: 09.06.2017 Бюл. № 16 (56) Список документов, цитированных в отчете о поиске: Пахомов Н.А. и др. Катализатор дегидрирования низших С3-С4 парафинов в стационарном слое на новом алюмооксидном керамометаллическом носителе. Серия Критические технологии. Мембраны, 2005, номер 4 (28), стр.80-83. Нестеров О.Н. Разработка технологии стабилизации фазового состава и структуры носителя алюмохромового катализатора дегидрирования (см. прод.) (54) КАТАЛИЗАТОР ...

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28-11-2007 дата публикации

A catalyst for putifying 2,6-naphthalene dicarboxylic acid, a method for preparing thereof and purifying process using the catalyst

Номер: KR100780173B1
Автор: 지종철, 최영교
Принадлежит: 주식회사 효성

A catalyst for purifying 2,6-naphthalene dicarboxylic acid, a method for manufacturing the catalyst, and a method for purifying the 2,6-naphthalene dicarboxylic acid using the catalyst are provided to improve the purity and the chromaticity of the 2,6-naphthalene dicarboxylic acid, by manufacturing the catalyst using platinum. A catalyst for purifying 2,6-naphthalene dicarboxylic acid has a surface area of 750-2000 m^2/g, a strength of 2-3 kgf/cm^2, and a size of 1-50 mm. The catalyst contains 0.2-2 wt% of platinum and 0.001-0.5 wt% of sodium. The catalyst is pretreated under the flow of mixture gas at a temperature of 200-300°C for 2-100 hours, during the manufacturing process. The mixture gas consists of 0.1-10 mol% of oxygen and 90-99.9 mol% of non-activate gas.

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16-04-2008 дата публикации

Method for preparation of spherical support for olefin polymerization catalyst

Номер: KR100822610B1
Принадлежит: 삼성토탈 주식회사

A method for preparation of a spherical support for an olefin polymerization catalyst is provided to prepare a spherical support for an olefin polymerization catalyst, of which a uniform surface is formed in a smooth spherical particle shape, which is free of micro particles or macro particles, and which has uniform particle size distribution, so that the support is suitably used for preparing a catalyst that can sufficiently satisfy particle characteristics required in the commercial olefin polymerization process. A method for preparation of a spherical support for an olefin polymerization catalyst comprises : a first step of reacting metal magnesium with a first reaction initiator and a mixture of at least two alcohols to prepare a dialkoxy magnesium seed; and a second step of reacting a resulting material of the first step with a second reaction initiator, metal magnesium and alcohol; wherein 0.001 to 0.2 weight part of the first reaction initiator and 5 to 50 weight parts of the alcohol mixture are used in the first step relative to 1 weight part of metal magnesium, and 0.001 to 0.2 weight part of the second reaction initiator and 5 to 50 weight parts of the alcohol are used in the second step relative to 1 weight part of metal magnesium. The first reaction initiator is a nitrogen halogen compound or magnesium halide, and the second reaction initiator is magnesium halide.

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15-03-2016 дата публикации

"Process for the manufacture of 2,3,3,3 - tetrafluropropene"

Номер: BRPI1010128A2
Принадлежит: Du Pont

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21-09-2018 дата публикации

Method for producing 2,2-difluorethylamine from 2,2-difluor-l-chlorethane and ammonia

Номер: KR101901153B1

(i) 2,2-디플루오로-1-클로로에탄과 기체, 액체 또는 초임계 암모니아를 압력이 안정한, 밀폐 반응용기에서 10 내지 180 bar 범위의 압력하에서 혼합하고; (ii) 반응 혼합물을 80 ℃ 내지 200 ℃ 범위의 반응온도에서 반응시키고; (iii) 반응 혼합물을 렛다운(let down)하고 2,2-디플루오로에틸아민을 단리하는 단계를 포함하는, 2,2-디플루오로에틸아민의 제조방법. (i) mixing 2,2-difluoro-1-chloroethane and gaseous, liquid or supercritical ammonia in a pressure-tight, sealed reaction vessel under a pressure in the range of 10 to 180 bar; (ii) reacting the reaction mixture at a reaction temperature ranging from 80 占 폚 to 200 占 폚; (iii) let down the reaction mixture and isolate 2,2-difluoroethylamine.

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18-07-1996 дата публикации

고내열성 촉매 담체와 이의 제조방법 및 고내열성 촉매와 이의 제조방법

Номер: KR960021137A

NO x 흡수 저장재를 고분산시킴으로써 촉매의 내열성 및 내구성을 향상시킨다. 알칼리 금속, 알칼리 토금속 및 희토류 원소로부터 선택된 원소를 하나 이상 함유하는 화합물의 용액와 원소 주기율 표의 3B족, 4A족 및 4B족으로부터 선택된 하나 이상의 금속의 산화물의 졸 용액을 혼합하여 혼합 졸 용액을 제조하고 혼합 졸 용액을 겔화시켜 건조, 소성함을 특징으로 한다. 수득된 촉매 담체는 비결정질이며 고온에서 소성되어도 비표면적이 크며 내열성이 높다.

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20-01-2013 дата публикации

Method of producing butanediol dimethacrylates

Номер: RU2472769C2
Принадлежит: Эвоник Рём ГмбХ

FIELD: chemistry. SUBSTANCE: invention relates to a method of producing butanediol dimethacrylates, involving transesterification of an ester of methacrylic acid with butanediol, formed by an alcohol, containing 1-4 carbon atoms, in the presence of a catalyst, where the catalyst used is a combination which contains at least one lithium compound and at least one calcium compound, wherein at least one of the lithium and/or calcium compounds is an oxide, hydroxide, alkoxide containing 1-4 carbon atoms, or a carboxylate containing 1-4 carbon atoms, and the reaction takes place in the presence of water in amount of 0.005-8 wt % with respect to the weight of the butanediol used at the beginning of the reaction, with optional ageing of said amount of water for the entire transesterification process. EFFECT: method enables to obtain butanediol methacrylates at a very low cost and having very high purity. 35 cl, 6 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 472 769 (13) C2 (51) МПК C07C C07C C07C C07C 67/03 67/54 67/62 69/54 (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (72) Автор(ы): КНЕБЕЛЬ Йоахим (DE), (24) Дата начала отсчета срока действия патента: ШЮТЦ Торбен (DE), 08.05.2008 ТРАУТВАЙН Харальд (DE), КЕР Томас (DE), Приоритет(ы): ЛАУСТЕР Гюнтер (DE), (30) Конвенционный приоритет: ПРОТЦМАНН Гуидо (DE), 05.07.2007 DE 102007031474.6 КЕЛЬБЛЬ Герхард (DE), (43) Дата публикации заявки: 10.08.2011 Бюл. № 22 ВЕСТХОЙЗЕР Гюнтер (DE) (21)(22) Заявка: 2010103715/04, 08.05.2008 2 4 7 2 7 6 9 R U (86) Заявка PCT: EP 2008/055666 (08.05.2008) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 05.02.2010 (87) Публикация заявки РСТ: WO 2009/003743 (08.01.2009) Адрес для переписки: 105064, Москва, а/я 88, "Патентные поверенные Квашнин, Сапельников и партнеры", В.П.Квашнину (54) СПОСОБ ПОЛУЧЕНИЯ БУТАНДИОЛДИМЕТАКРИЛАТОВ (57) Реферат: Изобретение касается способа получения ...

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10-02-2010 дата публикации

Method for making silica supported, crush-resistant catalysts

Номер: KR100941389B1
Автор: 휴야타오
Принадлежит: 피큐 홀딩, 인코포레이티드

실리카 지지된 촉매의 제조방법은 실리카 구성요소를 수성의 알칼리 욕을 사용하여 촉매 금속으로 함침시킨 다음 건조시키는 것을 수반한다. 더 구체적으로는, 이 방법은 실리카겔 또는 코-겔, 예를 들어서 실리카-지르코니아 코-겔과 같은 실리카 구성요소를 형성 및 세척하는 것을 포함한다. 다음에 세척된 실리카 구성요소를 알칼리 욕과 접촉시켜서 세슘과 같은 촉매 금속의 함침을 실행하여 활성화된 실리카 구성요소를 형성한다. 이어서, 활성화된 실리카 구성요소를 건조시켜 촉매를 형성한다. 결과된 촉매는 양호한 기계적 강도를 나타낸다. The process for preparing silica supported catalysts involves impregnating the silica components with catalytic metal using an aqueous alkaline bath and then drying. More specifically, the method includes forming and washing silica components such as silica gels or co-gels, for example silica-zirconia co-gels. The washed silica component is then contacted with an alkali bath to impregnate a catalytic metal such as cesium to form an activated silica component. The activated silica component is then dried to form a catalyst. The resulting catalyst shows good mechanical strength. 실리카, 촉매, 실리카겔, 세슘, 알칼리 금속, 알칼리 토금속, 파쇄 강도. Silica, catalyst, silica gel, cesium, alkali metal, alkaline earth metal, fracture strength.

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16-09-2010 дата публикации

Naphthenic hydrocarbon additives for diaryl phosphide salt formation

Номер: US20100234642A1
Принадлежит: Arkema Inc

The invention relates to the use of polycyclic aromatic hydrocarbons (PAHs) such as naphthalene and its alkyl, aryl, or heteroatom substituted analogs, that act as catalysts in the presence of an alkali metal (Li, K, Na) for the reduction of electron-deficient and electron-rich triaryl phosphines to their corresponding alkali metal diaryl phosphide salts. The process is also useful for the catalysis of triaryl phosphine chalcogen adducts such as the sulfides, oxides, and selenides, diaryl(halo)phosphines, triaryl phosphine-borane adducts, and tetra-aryl bis(phosphines) that can also be reduced to their corresponding alkali metal diaryl phosphide salts. The invention also relates to small molecule PAHs and polymer tethered PAHs naphthenics.

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18-03-2014 дата публикации

Naphthenic hydrocarbon additives for diaryl phosphide salt formation

Номер: US8674142B2
Принадлежит: PMC Organometallix Inc

The invention relates to the use of polycyclic aromatic hydrocarbons (PAHs) such as naphthalene and its alkyl, aryl, or heteroatom substituted analogs, that act as catalysts in the presence of an alkali metal (Li, K, Na) for the reduction of electron-deficient and electron-rich triaryl phosphines to their corresponding alkali metal diaryl phosphide salts. The process is also useful for the catalysis of triaryl phosphine chalcogen adducts such as the sulfides, oxides, and selenides, diaryl(halo)phosphines, triaryl phosphine-borane adducts, and tetra-aryl bis(phosphines) that can also be reduced to their corresponding alkali metal diaryl phosphide salts. The invention also relates to small molecule PAHs and polymer tethered PAHs naphthenics.

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13-06-1988 дата публикации

CATALYST AND PROCEDURE FOR PREPARING THIS.

Номер: NO158485B
Принадлежит: Snam Progetti

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10-08-2011 дата публикации

METHOD FOR PRODUCING BUTANDIOLDIMETHACRYLATES

Номер: RU2010103715A

1. Способ получения бутандиолдиметакрилатов, включающий реакцию переэтерификации бутандиолом сложного эфира метакриловой кислоты в присутствии катализаторов, отличающийся тем, что в качестве катализатора используют комбинацию, которая содержит по меньшей мере одно соединение лития и по меньшей мере одно соединение кальция, причем по меньшей мере одно из соединений лития и/или кальция представляет собой оксид, гидроксид, алкоксид, содержащий от 1 до 4 атомов углерода, или карбоксилат, содержащий от 1 до 4 атомов углерода, а также по меньшей мере одна часть взаимодействия протекает в присутствии эффективного количества воды. ! 2. Способ по п.1, отличающийся тем, что используют 1,4-бутандиол. ! 3. Способ по п.1, отличающийся тем, что используют 1,3-бутандиол. ! 4. Способ по п.1, отличающийся тем, что к реакционной смеси добавляют воду. ! 5. Способ по п.1, отличающийся тем, что количество воды в пересчете на массу используемого бутандиола находится в области от 0,01 до 4 мас.%. ! 6. Способ по п.5, отличающийся тем, что количество воды в пересчете на массу используемого бутандиола находится в области от 0,1 до 1 мас.%. ! 7. Способ по п.1, отличающийся тем, что соотношение массы воды и массы катализатора находится в области от 5:1 до 1:5. ! 8. Способ по п.1, отличающийся тем, что соотношение массы воды и массы соединения лития находится в области от 20:1 до 1:1. ! 9. Способ по п.1, отличающийся тем, что соотношение массы воды и массы соединения кальция находится в области от 10:1 до 1:2. ! 10. Способ по п.1, отличающийся тем, что в качестве соединения лития используют гидроксид лития, оксид лития, метилат лития и/или этилат лития. ! 11. Способ по п.1, отличающийся тем, что РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2010 103 715 (13) A (51) МПК C07C 67/03 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2010103715/04, 08.05.2008 (71) Заявитель(и): Эвоник Рем ГмбХ (DE) Приоритет(ы): (30) ...

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10-11-2012 дата публикации

Catalytically active coating material and use of coating material

Номер: RU2466163C2
Принадлежит: Нано-Икс Гмбх

FIELD: chemistry. SUBSTANCE: catalytically active coating material for reducing the combustion temperature of soot and organic substances contains compounds of subgroup metals or elements of the third and fourth main groups, and compounds of alkaline elements. The compounds of subgroup metals or elements of the third and fourth main groups are selected from zirconium, aluminium, cerium, silicon, titanium, iron, germanium and gallium. The compounds of alkaline elements are selected from compounds of sodium, potassium, caesium and rubidium. The molar ratio of compounds of alkaline elements is higher than that of subgroup metals or elements of the third and fourth main groups. To obtain a coating on a substrate, the coating material is deposited on the substrate and the substrate with the deposited material is dried. The coating material is used to make coatings in internal combustion engines for the inside of the engine, pistons, exhaust systems and filters, on windowpanes, car parts, tubes and electric power station components, inside cabins and combustion chambers, as well as an auxiliary agent for removing slag at electric power stations, a non-stick agent on inspection glass of baking ovens, grills, household items, hotplates, on substrates for removing volatile organic compounds from air in a room, for catalysis of chemical oxidative processes for industrial application. EFFECT: obtained coating is colourless, transparent or translucent and has high wear-resistance. 11 cl, 3 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 466 163 (13) C2 (51) МПК C09D 1/00 (2006.01) C09D 5/18 (2006.01) B01J 23/04 (2006.01) B01J 37/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2009140788/05, 01.04.2008 (24) Дата начала отсчета срока действия патента: 01.04.2008 (73) Патентообладатель(и): НАНО-ИКС ГМБХ (DE) R U Приоритет(ы): (30) Конвенционный приоритет: 05.04.2007 DE 102007016946.0 23.07.2007 DE 102007034633.8 (72) ...

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10-02-2005 дата публикации

Method for making a silica-supported crush-resistant catalyst

Номер: JP2005503913A
Автор: ヤタオ フ,

シリカで支持された触媒を作製する方法は、乾燥前に水性アルカリ浴を用いてシリカ成分を触媒金属で含浸する工程を包含する。より詳細には、この方法は、シリカゲルまたはコゲル(例えば、シリカ−ジルコニアコゲル)のようなシリカ成分を形成すること、および洗浄することを包含する。次に、この洗浄されたシリカ成分を、アルカリ浴と接触させ、セシウムのような触媒金属での含浸を行い、活性化されたシリカ成分を形成する。次に、この活性化されたシリカ成分を乾燥し、触媒を形成する。得られる触媒は、良好な機械的強度を示す。

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19-12-1978 дата публикации

Heterogeneous anionic polymerization process

Номер: US4130703A

The present invention relates to a heterogeneous anionic polymerization process, catalysed by a metallic insertion graphitic compound. According to the invention, the alkaline metal chosen for the insertion compound is lithium, and the insertion compounds are of binary or ternary type; in the latter case, the insertion compound may comprise an aromatic hydrocarbon also inserted within the graphitic structure. The invention relates in particular to the homopolymerization of butadiene or isoprene, and to the copolymerization of isoprene-styrene.

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16-08-2013 дата публикации

Process for the preparation of fatty acid alkylester

Номер: KR101297495B1
Принадлежит: 삼성석유화학(주)

본 발명은 (i) 유리지방산을 함유하며 산가가 2 내지 200인 지방, 오일 또는 이들의 혼합물을 C 1 -C 5 의 저가알코올과 무촉매하에 150~250℃ 및 5~100기압 하에서 에스테르화 반응 및 전이에스테르화 반응시켜 조(粗)지방산 알킬에스테르를 얻는 제1공정; 및 (ii) 상기 제1공정의 조(粗)지방산 알킬에스테르를 회수하여 C 1 -C 5 의 저가알코올과 MgO 및 Mg(OH) 2 중 하나 이상의 촉매 하에 150~250℃ 및 5~100기압 하에서 에스테르화 및 전이에스테르화 반응시키는 제2공정을 포함하는 것을 특징으로 하는, 지방산 알킬에스테르의 제조방법을 제공한다. The present invention (i) esterification reaction of fatty acids, oils or mixtures thereof containing free fatty acids with an acid value of 2 to 200 at 150-250 ° C. and 5-100 atm under a non-catalyst with a low alcohol of C 1 -C 5 . And a first step of obtaining a trans fatty acid alkyl ester by a transesterification reaction; And (ii) recovering the crude fatty acid alkyl ester of the first step to obtain C 1 -C 5 low alcohol and at least one catalyst of MgO and Mg (OH) 2 under 150-250 ° C. and 5-100 atmospheres. It provides a method for producing a fatty acid alkyl ester, comprising a second step of esterification and transesterification reaction.

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16-05-1987 дата публикации

Catalyst composition suitable for the dimerization of alpha-olefins

Номер: KR870000972B1

New catalyst compn. contg. metallic Na and K in a 20:80 90:10 molar ratio dispersed on a base of an anhyd. inorg. K compd. contg. 0.7-3% C is prepd. Thus, propylene is treated with a catalyst composed of metallic Na/K(1,4:1) on a K2CO3 base contg. 1.0% graphite at 157≰C and 100kg/cm2 to give 4-methyl. 1-pentane with 92% selectivity and 85% propylene conversion.

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29-05-2020 дата публикации

CaZrO3Preparation method of carrier, catalyst with noble metal loaded on carrier, preparation method and application thereof

Номер: CN107469818B
Принадлежит: LIMIN CHEMICAL CO Ltd

本发明公开了CaZrO3载体的制备方法及将贵金属负载于载体上的催化剂及其制备方法与应用,属于有机废水处理催化剂领域,其中包括CaZrO3载体的制备,然后将制得的CaZrO3载体浸渍于RuCl3、PdCl2或H2PtCl6溶液中,活性组分负载量为0.5~3wt%,500~900°C煅烧2~8h,即得贵金属负载于CaZrO3载体上的催化剂,然后将贵金属负载于CaZrO3载体上的催化剂的应用于处理有机废水中,本专利所制备的催化剂对含盐工业废水具有良好的处理效果,催化活性稳定,且使用寿命较长。

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20-07-2013 дата публикации

CATALYSTS AND METHOD FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE

Номер: RU2011154374A

1. Способ изготовления 2,3,3,3-тетрафторпропена, включающий (a) дегидрофторирование 1,1,1,2,3-пентафторпропана в присутствии катализатора дегидрофторирования, состоящего из оксида хрома (III) и щелочного металла, в количестве, эффективном для получения смеси продуктов, содержащей 2,3,3,3-тетрафторпропен и менее чем 20 частей на сто 1,1,1,2,2-пентафторпропан; и (b) выделение указанного 2,3,3,3-тетрафторпропена из смеси продуктов, полученной на этапе (a).2. Способ по п.1, где указанная смесь продуктов, содержащая 2,3,3,3-тетрафторпропен, содержит 1,1,1,2,2-пентафторпропан в количестве менее чем 10 частей на сто в расчете на моль.3. Способ по п.1, где указанный катализатор дегидрофторирования содержит от 0,1% до 2% щелочного металла, расположенного на поверхности указанного катализатора.4. Способ по п.1, где указанный катализатор дегидрофторирования содержит от 0,1% до 1% щелочного металла, расположенного на поверхности указанного катализатора.5. Способ по п.1, где указанный катализатор дегидрофторирования содержит от 0,1% до 1% калия, расположенного на поверхности указанного катализатора.6. Способ по п.1, где указанный катализатор дегидрофторирования содержит от 0,5% до 2% щелочного металла, диспергированного по частицам указанного катализатора.7. Способ по п.1, где указанный катализатор дегидрофторирования содержит от 0,1% до 3% бора и по меньшей мере 3000 частей на миллион щелочного металла.8. Способ по п.1, где указанный катализатор дегидрофторирования содержит от 0,5% до 2% бора и по меньшей мере 3000 частей на миллион натрия.9. Способ по п.1, где указанный катализатор дегидрофторирования содержит от 0,55 до 2% бора и по меньшей мере 1000 частей на миллион калия.10. Способ по п. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C07C 17/25 (13) 2011 154 374 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2011154374/04, 03.06.2010 (71) Заявитель(и): Е.И.ДЮПОН ДЕ НЕМУР ЭНД КОМПАНИ (US) Приоритет(ы): (30) ...

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10-05-2013 дата публикации

Method of producing butanediol dimethacrylates

Номер: RU2472769C9
Принадлежит: Эвоник Рём ГмбХ

FIELD: chemistry. SUBSTANCE: invention relates to a method of producing butanediol dimethacrylates, involving transesterification of an ester of methacrylic acid with butanediol, formed by an alcohol, containing 1-4 carbon atoms, in the presence of a catalyst, where the catalyst used is a combination which contains at least one lithium compound and at least one calcium compound, wherein at least one of the lithium and/or calcium compounds is an oxide, hydroxide, alkoxide containing 1-4 carbon atoms, or a carboxylate containing 1-4 carbon atoms, and the reaction takes place in the presence of water in amount of 0.005-8 wt % with respect to the weight of the butanediol used at the beginning of the reaction, with optional ageing of said amount of water for the entire transesterification process. EFFECT: method enables to obtain butanediol methacrylates at a very low cost and having very high purity. 35 cl, 6 ex 2472769 С9 Ко РОССИЙСКАЯ ФЕДЕРАЦИЯ ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (19) 10 5 во (51) МПК С07С 6703 С07С 67/54 С07С 6762 С07С 6954 << 7 А х х < << 13 2 769” ©9 & < $ < 7» 2, (2006.01) (2006.01) (2006.01) (2006.01) (12) СКОРРЕКТИРОВАННОЕ ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ Примечание: библиография отражает состояние при переиздании (21)(22) Заявка: 2010103715/04, 08.05.2008 (24) Дата начала отсчета срока действия патента: 08.05.2008 Приоритет(ы): (30) Конвенционный приоритет: 05.07.2007 РЕ 102007031474.6 (43) Дата публикации заявки: 10.08.2011 Бюл. № 22 (45) Опубликовано: 20.01.2013 (15) Информация о коррекции: Версия коррекции №1 (ТС2) (48) Коррекция опубликована: 10.05.2013 Бюл. № 13 (56) Список документов, цитированных в отчете о поиске: 0$ 5362904 А, 08.11.1994. 0$ 4672105 А, 09.06.1987. ВИ 2178783 С2, 27.01.2002. 05 4672105 А, 09.06.1987. (85) Дата начала рассмотрения заявки РСТ на национальной фазе: 05.02.2010 (86) Заявка РСТ: ЕР 2008/055666 (08.05.2008) (87) Публикация заявки РСТ: УГО 2009/003743 (08.01.2009) Адрес для переписки: 105064, ...

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06-06-2017 дата публикации

The exploitation and its application in catalyzed transesterification of sunflower stalk ash solid catalyst

Номер: CN106799220A
Автор: 李川
Принадлежит: Chaohu University

本发明涉及生物柴油领域,具体是一种向日葵秆灰固体催化剂的开发及其在催化酯交换反应中的应用,所述开发方法包括如下步骤;S1、预干燥:将预先收集的向日葵秆灰干燥除水;S2、高温煅烧:将预干燥的向日葵秆灰放置在马弗炉中,设定煅烧的温度一和时间一,进行高温煅烧;S3、水合:向高温煅烧后的向日葵秆灰中加入蒸馏水,搅拌混合均匀后干燥;S4、低温活化:将水合后的向日葵秆灰放置在马弗炉中,设定煅烧的温度二和时间二,进行低温活化;S5、机械成型:将低温活化后的向日葵秆灰机械研磨后放置在干燥器中保存。本发明的有益效果是:1、催化剂原料成本低廉、环保且可再生;2、催化剂制备技术简单,生物柴油产率高。

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15-06-1999 дата публикации

A high heat-resistant catalyst support and its production method, and a high heat-resistant catalyst and its production method

Номер: KR100199909B1

NO X 흡수 저장재를 고분산시킴으로써 촉매의 내열성 및 내구성을 향상시킨다. By dispersing and the NO X absorbing material to improve the heat resistance and the durability of the catalyst. 알칼리 금속, 알칼리 토금속 및 희토류 원소로부터 선택된 원소를 하나 이상 함유하는 화합물의 용액과 원소 주기율표의 3B족, 4A족 및 4B족으로부터 선택된 하나 이상의 금속의 산화물의 졸 용액을 혼합하여 혼합 졸 용액을 제조하고 혼합 졸 용액을 겔화시켜 건조, 소성함을 특징으로 한다. A mixed sol solution is prepared by mixing a solution of a compound containing at least one element selected from alkali metals, alkaline earth metals and rare earth elements with a sol solution of an oxide of at least one metal selected from Groups 3B, 4A and 4B of the Periodic Table of the Elements. The mixed sol solution is gelled, dried and calcined. 수득된 촉매 담체는 비결정질이며 고온에서 소성되어도 비표면적이 크며 내열성이 높다. The obtained catalyst carrier is amorphous and has a high specific surface area and high heat resistance even when calcined at high temperatures.

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23-03-2012 дата публикации

Cardanol derivatives mixture, preparation method thereof and cardanol polymer prepared therefrom

Номер: KR101126573B1

카슈넛껍질액으로부터 추출한 카다놀과 글리시딜 (메타)아크릴레이트를 염기 촉매하에서 반응시켜 제조되는 2-하이드록시-3-카다닐프로필 (메타)아크릴레이트는, 밝은 색상을 가지며 안정성과 열 및 UV 반응성이 우수하므로, 중합반응을 통해 카다놀계 고분자로 제조되어, 코팅, 접착제, 플라스틱, 고무, 복합재료, 나노재료 등에 유용하게 사용될 수 있다. 2-hydroxy-3-cardanylpropyl (meth) acrylate prepared by reacting cardanol and glycidyl (meth) acrylate extracted from a cashew nut shell solution under a base catalyst has a bright color, stability, heat and Because of excellent UV reactivity, it is made of a cardanol-based polymer through a polymerization reaction, it can be usefully used in coatings, adhesives, plastics, rubber, composites, nanomaterials and the like. 카다놀, 아크릴, 유도체, 고분자, 항균성, 열경화, UV경화 Cardanol, Acrylic, Derivatives, Polymer, Antibacterial, Heat Curing, UV Curing

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11-09-2018 дата публикации

Method for obtaining olefin hydrocarbons

Номер: RU2666542C1

FIELD: technological processes.SUBSTANCE: proposed method for producing olefinic hydrocarbons by dehydrogenating the corresponding paraffinic hydrocarbon is carried out in a fluidized bed reactor-regenerator system of a mixture of finely dispersed alumina chromium catalysts with different attrition rates. Mixture of finely dispersed alumina chromium catalysts includes a catalyst with an attrition index of 15–30 % by weight in an amount of 41–97 % by weight and a catalyst with an attrition index of 1–10 % by weight is the balance.EFFECT: increased capacity of hydrocarbon dehydrogenation plants C-Cand reduced costs in production.1 cl, 2 tbl, 6 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК C07C 5/333 C07C 11/08 C07C 11/10 B01J 21/08 B01J 23/04 B01J 23/26 ФЕДЕРАЛЬНАЯ СЛУЖБА B01J 35/02 ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ B01J 37/02 (12) (11) (13) 2 666 542 C1 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C07C 5/333 (2018.08); C07C 11/08 (2018.08); C07C 11/10 (2018.08); B01J 21/08 (2018.08); B01J 23/04 (2006.01); B01J 23/26 (2018.08); B01J 35/02 (2018.08); B01J 37/02 (2018.08) (21)(22) Заявка: 2017142198, 04.12.2017 04.12.2017 Дата регистрации: Приоритет(ы): (22) Дата подачи заявки: 04.12.2017 (56) Список документов, цитированных в отчете о поиске: RU 2325227 С1, 27.05.2008. RU (45) Опубликовано: 11.09.2018 Бюл. № 26 (54) Способ получения олефиновых углеводородов (57) Реферат: Предложен способ получения олефиновых углеводородов дегидрированием соответствующих парафиновых углеводородов, осуществляемый в системе реактор-регенератор с кипящим слоем смеси мелкодисперсных алюмохромовых катализаторов с разными индексами истирания. Смесь мелкодисперсных алюмохромовых катализаторов включает R U 2 6 6 6 5 4 2 2432203 C1, 27.10.2011. RU 2271860 С1, 20.03.2006. US 6566569 B1, 20.05.2003. US 20040092391 A1, 13.05.2004. Стр.: 1 катализатор с индексом истирания 15-30 мас.% в количестве 41-97 мас.% и катализатор с ...

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12-11-2008 дата публикации

Process of the catalyst preparation for the transesterification of vegetable oils or animal oils

Номер: KR100868387B1
Автор: 김형록, 전종열, 한요한
Принадлежит: 한국화학연구원

A method of manufacturing a catalyst for reacting transesterification of an animal.vegetable oil is provided to generate waste water including an inorganic salt by a corecipitation method by manufacturing the catalyst for reacting transesterification of the animal.vegetable oil by a milling method and to have a simple manufacturing step. Precursor slurry is manufactured by performing milling after dispersing a precursor by water. The precursor is separated from the precursor slurry and dried. A transesterification catalyst is obtained by heat-treating the dried precursor. The milling is a ball-mill, a dynomill or a sand mill. The precursor is a magnesium precursor which is a magnesium hydroxide, a magnesium oxide, a magnesium carbonate or a mixture thereof. The transesterification catalyst includes: an aluminium hydroxide, an aluminium oxide, an aluminum carbonate or an aluminum precursor which is a mixture thereof; and a zinc hydroxide, the zinc oxide, a zinc carbonate or a zinc precursor which is a mixture thereof.

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23-11-1988 дата публикации

Catalyst for isomerizing butene-2 into butene-1

Номер: SU1440330A3

Изобретение касаетс  каталитической химии, в частности катализатора дл  изомеризации бутена-2 в бу- тен-1, используемых в производстве полимеров. Состав катализатора, мас.%: оксид металла 2,5-10; диоксид кремни  1,5-8; до 100; обща  ф-ла a(Al20 3) bCSiO) -с(.,) , где оксид металла - лантана, кальци , бари , стронци  или железа; а, Ь, с - число молей указанных оксидов металла, причем (b+B) при В 0,014-0,03; b 0,025-0,14; m ,666; (b+c)/a 0,01059- 0,4409. Катализатор обеспечивает высокую конверсию (до 100%) и селективность (до 99,9%) по бутену-1. 5 табл.

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10-01-2009 дата публикации

Catalyst of alkylmercaptane synthesis and method of production of such catalyst

Номер: RU2342992C2
Принадлежит: Дегусса Аг

FIELD: chemistry. SUBSTANCE: invention relates to caesium and tungsten-containing oxide catalyst of alkylmercaptane synthesis, method of its production and method of obtaining alkylmercaptanes with its application. Described is catalyst including oxide composition, which corresponds to general formula Cs x WO y , in which x represents number from 0.8 to less than 2, and y represents number from 3.4 to less than 4. Described is method of production of catalyst which contains oxide compounds of caesium and tungsten, which lies in the following: a) carriers or substance-carrier, consisting of aluminium oxide is impregnated with water solution containing soluble caesium and tungsten compound with required molar ratio of caesium and tungsten given above, b) obtained impregnated formed carriers or obtained impregnated highly-dispersive aluminium oxide (preliminary prepared catalyst) are subjected to preliminary drying at room temperature, c) if necessary they are subjected to drying at temperature within the range from 100 to 200°C in order to remove residual moisture, d) are subjected to final burning during 2-10 hours at temperature within the range from 300 to 600°C and e) applied catalyst or impregnated highly-dispersive aluminium oxide is obtained, with content of promoter of general composition Cs x WO y , where x and y have given above values, in amount from 15 to 45 wt %, preferably from 20 to 36 wt %, after which f) impregnated highly-dispersive aluminium oxide is suspended with addition of known auxiliary substances and applied on core-carrier from inert material or is extruded and pressed. Also described is method of obtaining alkylmercaptane by interaction of alkanols with hydrogen sulphide in presence of catalyst described above. EFFECT: increase of catalyst activity and selectivity. 14 cl, 2 tbl, 10 ex ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (11) 2 342 992 (13) C2 (51) ÌÏÊ B01J 23/30 (2006.01) B01J 23/04 (2006.01) B01J 37/02 (2006.01) C07C 319/08 (2006.01) ÔÅÄÅÐÀËÜÍÀß ...

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12-05-2009 дата публикации

Production method of solid acid catalyst from spent oil shale for catalytic cracking of polymeric materials and heavy oil and production method of light oil using thereof

Номер: KR100896428B1
Автор: 김성수, 나정걸, 정수현
Принадлежит: 한국에너지기술연구원

본 발명은 오일셰일 열분해 잔류물을 이용한 유기 고분자 및 중질유 열분해용 고체산 촉매 제조방법에 관한 것으로, 더욱 상세하게는 오일셰일 레토르팅 공정이 끝나고 남는 잔류물과 알칼리를 이용하여 오일셰일 공정에 사용할 수 있는 비정질 실리카알루미나 촉매를 제조하는 방법에 관한 것이다. 또한 본 발명은 상기 촉매를 사용하여 오일셰일 레토르팅에서 회수한 셰일오일을 경질화하여 경질오일을 수득하는 방법 및 폐플라스틱으로부터 경질오일을 수득하는 방법을 포함한다. The present invention relates to a method for preparing an organic polymer and a solid acid catalyst for heavy oil pyrolysis using oil shale pyrolysis residues, and more particularly, to use in oil shale processes using residues and alkalis remaining after the oil shale retorting process is completed. The present invention relates to a method for preparing an amorphous silica alumina catalyst. The present invention also includes a method of hardening shale oil recovered by oil shale retorting using the catalyst to obtain hard oil and a method of obtaining hard oil from waste plastic. 즉, 본 발명은 오일셰일 공정에 사용하는 촉매로서 레토르팅 폐기물인 오일셰일 열분해 잔류물로부터 제조한 저가 촉매를 사용함으로써, 오일셰일 공정 현장에서 바로 촉매의 합성이 가능할 뿐 아니라 오일셰일 경질화 공정에 소요되는 촉매의 제조비용을 감소시킬 수 있으며, 오일셰일 개발시 오일셰일 잔류물 매립 등으로 인한 지하수 및 토양 오염 감소에도 일조할 수 있는 것이다. That is, the present invention uses a low-cost catalyst prepared from the oil shale pyrolysis residue, which is a retorting waste, as the catalyst used in the oil shale process. It can reduce the production cost of the catalyst, and also contribute to the reduction of groundwater and soil pollution due to landfilling of oil shale residues in oil shale development. 오일셰일, 잔류물, 알칼리, 반응물, 경질오일 Oil shale, residue, alkali, reactant, light oil

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