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RU2019100351A - КАТАЛИТИЧЕСКИЙ КОМПОЗИТ И ЕГО ПРИМЕНЕИЕ В СЕЛЕКТИВНОМ КАТАЛИТИЧЕСКОМ ВОССТАНОВЛЕНИИ NOх - Google Patents

КАТАЛИТИЧЕСКИЙ КОМПОЗИТ И ЕГО ПРИМЕНЕИЕ В СЕЛЕКТИВНОМ КАТАЛИТИЧЕСКОМ ВОССТАНОВЛЕНИИ NOх Download PDF

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RU2019100351A
RU2019100351A RU2019100351A RU2019100351A RU2019100351A RU 2019100351 A RU2019100351 A RU 2019100351A RU 2019100351 A RU2019100351 A RU 2019100351A RU 2019100351 A RU2019100351 A RU 2019100351A RU 2019100351 A RU2019100351 A RU 2019100351A
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metal
catalyst
groups
combinations
elements
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RU2019100351A
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RU2019100351A3 (ru
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Наталиа ТРУХАН
Михаэла МАЛТРИ
Ульрих Мюллер
Штефан МАРКС
Карифала ДУМБУЙА
Матиас ФЕЙЕН
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Басф Корпорейшн
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Publication of RU2019100351A publication Critical patent/RU2019100351A/ru
Publication of RU2019100351A3 publication Critical patent/RU2019100351A3/ru

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • C—CHEMISTRY; METALLURGY
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Claims (27)

1. Способ получения катализатора, включающий
(i) получение смеси, содержащей металлоорганический каркасный материал, содержащий ион металла или металлоида, выбранного из групп 2-5, групп 7-9, и групп 11-14 Периодической таблицы элементов, и по меньшей мере одно по меньшей мере монодентатное органическое соединение, цеолитный материал, содержащий металл в качестве некаркасного элемента, систему растворителей,
и необязательно пастирующий агент;
(i.A) гомогенизацию смеси, полученной на стадии (i), где смесь содержит систему растворителей;
(i.B) обеспечение подложки-носителя;
(i.C) покрытие подложки-носителя, обеспеченной на стадии (i.B), гомогенизированной смесью, полученной на стадии (i.A);
(i.D) необязательно сушку покрытой подложки-носителя, полученной на стадии (i.C);
(i.E) кальцинирование покрытой подложки-носителя, полученной на стадии (i.C) или (i.D).
2. Способ по п. 1, где подложка-носитель выбрана из группы, состоящей из гранул, пеллет, сеток, колец, сфер, цилиндров, полых цилиндров, монолитов и смесей и комбинаций двух или более из них.
3. Способ получения катализатора, включающий
(i) получение смеси, содержащей металлоорганический каркасный материал, содержащий ион металла или металлоида, выбранного из групп 2-5, групп 7-9, и групп 11-14 Периодической таблицы элементов, и по меньшей мере одно по меньшей мере монодентатное органическое соединение, цеолитный материал, содержащий металл в качестве некаркасного элемента, необязательно систему растворителей,
и необязательно пастирующий агент,
(ii) кальцинирование смеси, полученной на стадии (i),.
4. Способ по любому из пп. 1-3, где ион, содержащийся в металлоорганическом каркасном материале, представляет собой ион металла, выбранного из группы, состоящей из Mg, Al, Ga, In, Ti, Zr, Hf, Cu, Zn, Fe, Mn, V, Co и комбинаций двух или более из них.
5. Способ по любому из пп. 1-3, где металл, содержащийся в цеолитном материале в качестве некаркасного элемента, выбран из группы, состоящей из элементов групп 3 до 12 Периодической таблицы элементов, и комбинаций двух или более из них.
6. Катализатор, полученный и/или получаемый способом по любому из пп. 1-5.
7. Катализатор, содержащий композитный материал, содержащий аморфный мезопористый оксид металла и/или металлоида и цеолитный материал, где цеолитный материал содержит металл в качестве некаркасного элемента.
8. Катализатор по п. 7, где мезопористый оксид металла и/или металлоида проявляет средний размер пор в интервале от 3 до 10 нм, на основе измеренной пористости в интервале от 2 нм до 50 нм, где средний размер пор определяют согласно ISO 15901-2:2006.
9. Катализатор по п. 7, где катализатор дополнительно содержит подложку-носитель, на которой обеспечивают композитный материал.
10. Катализатор по п. 7, где подложка-носитель выбрана из группы, состоящей из гранул, пеллет, сеток, колец, сфер, цилиндров, полых цилиндров, монолитов и смесей и комбинаций двух или более из них.
11. Катализатор по п. 7, где подложка-носитель содержит керамические и/или металлические вещества.
12. Катализатор по п. 7, где металл и/или металлоид аморфного мезопористого оксида металла и/или металлоида выбран из группы, состоящей из Mg, Al, Ga, In, Ti, Zr, Hf, Cu, Zn, Fe, Mn, V, Co и комбинаций двух или более из них.
13. Катализатор по любому из пп. 7-12, где металл, содержащийся в цеолитном материале в качестве некаркасного элемента, выбран из группы, состоящей из элементов групп 3 до 12 Периодической таблицы элементов, и комбинаций двух или более из них.
14. Способ селективного каталитического восстановления NOx, включающий
(1) обеспечение газового потока, содержащего NOx;
(2) контактирование газового потока, обеспеченного на стадии (1), с катализатором по любому из пп. 6-13.
15. Применение катализатора по любому из пп. 6-13 при обработке выхлопных газов.
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