RU2019105501A - Способ получения fau цеолитного материала, имеющего тип каркасной структуры fau, его применение в селективном каталитическом восстановлении nox - Google Patents

Способ получения fau цеолитного материала, имеющего тип каркасной структуры fau, его применение в селективном каталитическом восстановлении nox Download PDF

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RU2019105501A
RU2019105501A RU2019105501A RU2019105501A RU2019105501A RU 2019105501 A RU2019105501 A RU 2019105501A RU 2019105501 A RU2019105501 A RU 2019105501A RU 2019105501 A RU2019105501 A RU 2019105501A RU 2019105501 A RU2019105501 A RU 2019105501A
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zeolite material
obtaining
mixture obtained
fau
diaminomethylcyclohexane
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RU2019105501A
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RU2019105501A3 (ru
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Наталиа ТРУХАН
Александер ПАНЧЕНКО.
Ульрих Мюллер
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Басф Корпорейшн
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Claims (35)

1. Способ получения цеолитного материала, имеющего каркасную структуру типа FAU, содержащего YO2 и Х2О3, причем указанный способ включает:
(а) получение смеси, содержащей один или более источников YO2, один или более источников Х2О3, и один или более структурообразующих агентов (SDA);
(b) кристаллизацию цеолитного материала из смеси, полученной на стадии (а);
где Y представляет собой тетравалентный элемент, и X представляет собой трехвалентный элемент, и
где один или более структурообразующих агентов содержат один или более изомеров диаминометилциклогексана.
2. Способ по п. 1, где Y выбран из группы, состоящей из Si, Sn, Ge, и смесей двух или более из них.
3. Способ по п. 1, где X выбран из группы, состоящей из Al, В, In, Ga, и смесей двух или более из них.
4. Способ по п. 1, где изомеры диаминометилциклогексана содержат от 65 до 95 мас. % 2,4-диаминометилциклогексана и от 5 до 35 мас. % 2,6-диаминометилциклогексана.
5. Способ по п. 1, где смесь, полученная на стадии (а), дополнительно содержит систему растворителей, содержащую один или более растворителей.
6. Способ по п. 1, где молярное соотношение YO2: диаминометилциклогексан смеси, полученной на стадии (а), находится в интервале от 0,5 до 40.
7. Способ по любому из пп. 1-6, где способ дополнительно включает одно или более из следующего:
(c) выделение цеолитного материала, предпочтительно посредством фильтрации; и/или
(d) промывание цеолитного материала одним или более растворителями; и/или
(e) сушку цеолитного материала, полученного на стадии (с), и/или (d); и/или
(f) кальцинирование цеолитного материала, полученного на стадии (с), (d), и/или (е).
8. Способ по п. 7, где способ дополнительно включает:
(g) подвергание цеолитного материала, полученного на стадии (с), (d), (е), или (f), методике ионного обмена, где по меньшей мере один ионный некаркасный элемент или соединение, содержащиеся в цеолитном материале, ионообменивается на один или более ионы металлов.
9. Способ по п. 8, где один или более ионов металлов выбраны из группы, состоящей из ионов элементов щелочноземельных металлов и/или элементов переходных металлов.
10. Цеолитный материал, имеющий каркасную структуру типа FAU, содержащий YO2 и Х2О3 получаемый и/или полученный способом по любому из п.п. 1-9, где Y представляет собой тетравалентный элемент, и X представляет собой трехвалентный элемент.
11. Способ получения покрытой подложки, включающий:
(1) получение смеси, содержащей систему растворителей и цеолитный материал по п. 10;
(1.а) гомогенизацию смеси, полученной на стадии (1);
(1.b) предоставление подложки носителя;
(1.с) покрытие подложки носителя, предоставленной на стадии (1.b), гомогенизированной смесью, полученной на стадии (1.а);
(1.d) необязательно сушку покрытой подложки носителя, полученной на стадии (1.с);
(2) кальцинирование покрытой подложки, полученной на стадии (1.с) или (1.d).
12. Способ по п. 11, где подложка носитель содержит керамические и/или металлические вещества.
13. Способ получения формованного изделия, включающий:
(1) получение смеси, содержащей систему растворителей и цеолитный материал по п. 10;
(1.А) добавление тугоплавкого материала носителя, и необязательно добавление пастирующего агента к смеси, полученной на стадии (1);
(1.В) гомогенизацию смеси, полученной на стадии (1.А); и
(1.С) формование смеси, полученной на стадии (1.В);
(2') кальцинирование формованной смеси, полученной на стадии (1.С).
14. Способ селективного восстановления оксидов азота NOx, включающий: контакт газового потока, содержащего NOx, с цеолитным материалом по п. 10, где по меньшей мере один ионный некаркасный элемент или соединение, содержащиеся в цеолитном материале, ионообменивается на Cu и/или Fe.
15. Применение цеолитного материала по п. 10 в качестве молекулярного сита, в качестве адсорбента, для ионного обмена, в качестве катализатора и/или носителя катализатора.
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