RU2015143692A - Каталическая система селективного каталического восстановления - Google Patents

Каталическая система селективного каталического восстановления Download PDF

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RU2015143692A
RU2015143692A RU2015143692A RU2015143692A RU2015143692A RU 2015143692 A RU2015143692 A RU 2015143692A RU 2015143692 A RU2015143692 A RU 2015143692A RU 2015143692 A RU2015143692 A RU 2015143692A RU 2015143692 A RU2015143692 A RU 2015143692A
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catalytic
composition
titanium oxide
catalyst
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RU2015143692A
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English (en)
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Вэйюн ТАН
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Басф Корпорейшн
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    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/50—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the erionite or offretite type, e.g. zeolite T, as exemplified by patent document US2950952
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
    • F01N2510/0682—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having a discontinuous, uneven or partially overlapping coating of catalytic material, e.g. higher amount of material upstream than downstream or vice versa
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
    • F01N2510/0684—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having more than one coating layer, e.g. multi-layered coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/18—Ammonia
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/52712—Plural layers on a support, each layer having a distinct function
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/52712—Plural layers on a support, each layer having a distinct function
    • Y10S502/52713—More than two overlapping layers

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Claims (17)

1. Каталитическая система селективного каталитического восстановления (СКВ), содержащая первый каталитический состав СКВ и второй каталитический состав СКВ, размещенные в системе, при этом первый каталитический состав СКВ способствует большему образованию N2 и меньшему образованию N2O, чем второй каталитический состав СКВ, а второй каталитический состав СКВ отличается по содержанию от первого каталитического состава СКВ, при этом второй каталитический состав СКВ способствует меньшему образованию N2 и большему образованию N2O, чем первый каталитический состав СКВ, и первый каталитический состав расположен сбоку перед вторым каталитическим составом по ходу потока.
2. Каталитическая система СКВ по п. 1, отличающаяся тем, что первый каталитический состав СКВ и второй каталитический состав СКВ расположены на общем носителе.
3. Каталитическая система СКВ по п. 1, отличающаяся тем, что первый каталитический состав СКВ и второй каталитический состав СКВ расположены на разных носителях.
4. Каталитическая система СКВ по любому из пп. 1-3, отличающаяся тем, что первый каталитический состав СКВ содержит смешанный оксид.
5. Каталитическая система СКВ по п. 4, отличающаяся тем, что смешанный оксид выбран из Fe/ оксида титана, Fe/ оксида алюминия, Mg/ оксида титана, Cu/ оксида титана, Се/Zr, оксида ванадия / оксида титана и их смесей.
6. Каталитическая система СКВ по п. 5, отличающаяся тем, что смешанный оксид содержит оксид ванадия/ оксид титана.
7. Каталитическая система СКВ по пп. 5 или 6, отличающаяся тем, что оксид ванадия/ оксид титана стабилизированы вольфрамом.
8. Каталитическая система СКВ по любому из пп. 1-3, 5, 6, отличающаяся тем, что второй катализатор СКВ содержит замещенное металлом 8-кольцевое микропористое молекулярное сито.
9. Каталитическая система селективного каталитического восстановления (СКВ), содержащая первый каталитический состав СКВ, содержащий оксид ванадия/ оксид титана, размещенный на носителе, и второй каталитический состав СКВ, содержащий замещенное металлом 8-кольцевое микропористое молекулярное сито, размещенное на носителе, при этом первый каталитический состав расположен сбоку перед вторым каталитическим составом по ходу потока.
10. Каталитическая система СКВ по п. 9, отличающаяся тем, что молекулярное сито имеет тип каркаса, выбранный из группы, состоящей из AEI, AFT, AFX, СНА, ЕАВ, ERI, KFI, LEV, SAS, SAT, DDR и SAV.
11. Каталитическая система СКВ по любому из пп. 9 и 10, отличающаяся тем, что молекулярное сито является алюмосиликатным цеолитом с типом каркаса СНА.
12. Каталитическая система по п. 11, отличающаяся тем, что цеолит выбран из SSZ-13 и SSZ-62.
13. Каталитическая система по любому из пп. 9 и 10, 12, отличающаяся тем, что металл выбран из группы, состоящей из Cu, Fe, Со, Се и Ni.
14. Каталитическая система по любому из пп. 9 и 10, 12, отличающаяся тем, что металл выбран из Сu и замещается в диапазоне от 2% до 8% по массе.
15. Система очистки выхлопных газов двигателя на обедненной топливной смеси, содержащая каталитическую систему по любому из пп. 1-14, двигатель на обедненной топливной смеси и трубку выхлопных газов, сообщающуюся по текучей среде с двигателем на обедненной топливной смеси, при этом каталитическая система расположена ниже выхода из двигателя.
16. Способ удаления оксидов азота из выхлопного газа двигателя на обедненной топливной смеси, включающий контакт потока выхлопного газа и каталитической системы по любому из пп. 1-14.
17. Каталитическая система по п. 9, отличающаяся тем, что оксид ванадия/ оксид титана способствует большему образованию N2 и меньшему образованию N2O, чем замещенное металлом 8-кольцевое микропористое молекулярное сито, и при этом замещенное металлом 8-кольцевое микропористое молекулярное сито способствует меньшему образованию N2 и большему образованию N2O, чем оксид ванадия / оксид титана, и замещенное металлом 8-кольцевое микропористое молекулярное сито имеет большую накопительную вместимость аммиака, чем оксид ванадия/ оксид титана.
RU2015143692A 2013-03-14 2014-03-13 Каталическая система селективного каталического восстановления RU2015143692A (ru)

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BR112015022045B1 (pt) 2021-12-21
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WO2014160293A1 (en) 2014-10-02
CN105188924B (zh) 2017-10-27
EP2969195A1 (en) 2016-01-20
CA2902414A1 (en) 2014-10-02
US10512901B2 (en) 2019-12-24
KR20150128701A (ko) 2015-11-18
JP2016518244A (ja) 2016-06-23
MX2015011155A (es) 2015-11-09
BR112015022045A2 (pt) 2019-09-10
EP2969197A1 (en) 2016-01-20
CA2902836A1 (en) 2014-10-02
BR112015022048B1 (pt) 2022-03-03
KR20150128697A (ko) 2015-11-18
WO2014160292A1 (en) 2014-10-02
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JP6437520B2 (ja) 2018-12-12
MX2015011354A (es) 2016-01-15
US20140274665A1 (en) 2014-09-18
KR102211490B1 (ko) 2021-02-04
JP2016513585A (ja) 2016-05-16
CN112371164A (zh) 2021-02-19
CN105188925A (zh) 2015-12-23
CN105188924A (zh) 2015-12-23
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BR112015022048A2 (pt) 2019-09-10
US9468915B2 (en) 2016-10-18

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