BR112012013026A2 - artigo catalisador heterogêneo, e, método para tratar um gás de escapamento - Google Patents
artigo catalisador heterogêneo, e, método para tratar um gás de escapamentoInfo
- Publication number
- BR112012013026A2 BR112012013026A2 BR112012013026A BR112012013026A BR112012013026A2 BR 112012013026 A2 BR112012013026 A2 BR 112012013026A2 BR 112012013026 A BR112012013026 A BR 112012013026A BR 112012013026 A BR112012013026 A BR 112012013026A BR 112012013026 A2 BR112012013026 A2 BR 112012013026A2
- Authority
- BR
- Brazil
- Prior art keywords
- heterogeneous catalyst
- catalyst article
- treating
- exhaust gas
- combination
- Prior art date
Links
- 239000002638 heterogeneous catalyst Substances 0.000 title abstract 3
- 239000002808 molecular sieve Substances 0.000 abstract 3
- 239000011148 porous material Substances 0.000 abstract 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 abstract 3
- 239000013078 crystal Substances 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
Classifications
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- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J29/00—Catalysts comprising molecular sieves
- B01J29/88—Ferrosilicates; Ferroaluminosilicates
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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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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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
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
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Abstract
artigo catalisador heterogêneo, e, método para tratar um gás de escapamento. um artigo catalisador heterogêneo tendo pelo menos uma combinação de uma primeira peneira molecula tendo uma estrutura cristalina de poro médio, poro grande, ou mesoporo e opcionalmente contendo um primeiro metal, e uma segunda peneira molecular tendo uma estrutura cristalina de poro pequeno e opcionalmente contendo um segundo metal, e um substrato monolítico sobre ou dentro do qual o dito componente catalítico é incorporado, em que a combinação das primeira e segunda peneiras moleculares é uma mistura, uma pluralidade de camadas, e/ou uma pluralidade de zonas.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR122012013545-3A BR122012013545A2 (pt) | 2009-11-30 | 2010-11-30 | Catalisador, artigo catalisador, sistema de tratamento de gás de escapamento, processo para o tratamento de uma corrente de gás compreendendo nox, combinação catalítica, e, método para tratar uma corrente de gás de escapamento |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0920927.1 | 2009-11-30 | ||
GB0920927.1A GB2475740B (en) | 2009-11-30 | 2009-11-30 | Catalysts for treating transient NOx emissions |
PCT/IB2010/003186 WO2011064666A2 (en) | 2009-11-30 | 2010-11-30 | Catalysts for treating transient nox emissions |
Publications (2)
Publication Number | Publication Date |
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BR112012013026A2 true BR112012013026A2 (pt) | 2016-11-22 |
BR112012013026B1 BR112012013026B1 (pt) | 2019-01-15 |
Family
ID=41572892
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112012013026-9A BR112012013026B1 (pt) | 2009-11-30 | 2010-11-30 | composição de catalisador para tratar gás de escapamento, artigo catalisador, e, método para tratar um gás de escapamento |
BR122012013545-3A BR122012013545A2 (pt) | 2009-11-30 | 2010-11-30 | Catalisador, artigo catalisador, sistema de tratamento de gás de escapamento, processo para o tratamento de uma corrente de gás compreendendo nox, combinação catalítica, e, método para tratar uma corrente de gás de escapamento |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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BR122012013545-3A BR122012013545A2 (pt) | 2009-11-30 | 2010-11-30 | Catalisador, artigo catalisador, sistema de tratamento de gás de escapamento, processo para o tratamento de uma corrente de gás compreendendo nox, combinação catalítica, e, método para tratar uma corrente de gás de escapamento |
Country Status (9)
Country | Link |
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US (3) | US20120275977A1 (pt) |
EP (2) | EP2506969B1 (pt) |
JP (4) | JP5836966B2 (pt) |
KR (5) | KR101969688B1 (pt) |
CN (3) | CN104588092B (pt) |
BR (2) | BR112012013026B1 (pt) |
GB (1) | GB2475740B (pt) |
RU (2) | RU2582341C2 (pt) |
WO (1) | WO2011064666A2 (pt) |
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