BR112015028557A2 - catalisador de oxidação, sistema de escape, veículo, uso de um catalisador de oxidação, e, método para modular o teor de nox em um gás de escape - Google Patents
catalisador de oxidação, sistema de escape, veículo, uso de um catalisador de oxidação, e, método para modular o teor de nox em um gás de escapeInfo
- Publication number
- BR112015028557A2 BR112015028557A2 BR112015028557A BR112015028557A BR112015028557A2 BR 112015028557 A2 BR112015028557 A2 BR 112015028557A2 BR 112015028557 A BR112015028557 A BR 112015028557A BR 112015028557 A BR112015028557 A BR 112015028557A BR 112015028557 A2 BR112015028557 A2 BR 112015028557A2
- Authority
- BR
- Brazil
- Prior art keywords
- oxidation catalyst
- vehicle
- modulating
- exhaust gas
- exhaust system
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title abstract 6
- 230000003647 oxidation Effects 0.000 title abstract 5
- 238000007254 oxidation reaction Methods 0.000 title abstract 5
- -1 exhaust system Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 3
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 229910052763 palladium Inorganic materials 0.000 abstract 2
- 229910000420 cerium oxide Inorganic materials 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
Classifications
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
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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
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
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- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9463—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick
- B01D53/9468—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick in different layers
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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
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9463—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick
- B01D53/9472—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick in different zones
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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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- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
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Abstract
1 / 1 resumo âcatalisador de oxidaãão, sistema de escape, veãculo, uso de um catalisador de oxidaãão, e, mãtodo para modular o teor de no em um gãs de escapeâ x um catalisador de oxidaã§ã£o para tratar um gã¡s de escape a partir de um motor de igniã§ã£o por compressã£o, catalisador de oxidaã§ã£o o qual compreende: um substrato; uma primeira regiã£o de revestimento reativo compreendendo palã¡dio (pd) e um primeiro material de suporte compreendendo ã³xido de cã©rio; e uma segunda regiã£o de revestimento reativo compreendendo platina (pt) e um segundo material de suporte.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1308909.9A GB2514177A (en) | 2013-05-17 | 2013-05-17 | Oxidation catalyst for a compression ignition engine |
GB1308909.9 | 2013-05-17 | ||
PCT/GB2014/051499 WO2014184568A1 (en) | 2013-05-17 | 2014-05-16 | Oxidation catalyst for a compression ignition engine |
Publications (2)
Publication Number | Publication Date |
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BR112015028557A2 true BR112015028557A2 (pt) | 2017-07-25 |
BR112015028557B1 BR112015028557B1 (pt) | 2021-05-04 |
Family
ID=48746911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112015028557-0A BR112015028557B1 (pt) | 2013-05-17 | 2014-05-16 | sistema de escape para tratar um gás de escape a partir de um motor de ignição por compressão |
Country Status (10)
Country | Link |
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US (5) | US9707542B2 (pt) |
EP (2) | EP2996806B1 (pt) |
JP (2) | JP2016523693A (pt) |
KR (1) | KR102297643B1 (pt) |
CN (2) | CN109499622A (pt) |
BR (1) | BR112015028557B1 (pt) |
DE (2) | DE102014106943A1 (pt) |
GB (8) | GB2514177A (pt) |
RU (1) | RU2721563C2 (pt) |
WO (2) | WO2014184569A1 (pt) |
Families Citing this family (68)
Publication number | Priority date | Publication date | Assignee | Title |
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- 2014-05-16 CN CN201480028598.3A patent/CN105209171B/zh active Active
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