BR112023015514A2 - Sistemas para o tratamento de um gás de escape, processo para preparar um sistema para o tratamento de um gás de escape, método para o tratamento de um gás de escape e uso de um sistema - Google Patents
Sistemas para o tratamento de um gás de escape, processo para preparar um sistema para o tratamento de um gás de escape, método para o tratamento de um gás de escape e uso de um sistemaInfo
- Publication number
- BR112023015514A2 BR112023015514A2 BR112023015514A BR112023015514A BR112023015514A2 BR 112023015514 A2 BR112023015514 A2 BR 112023015514A2 BR 112023015514 A BR112023015514 A BR 112023015514A BR 112023015514 A BR112023015514 A BR 112023015514A BR 112023015514 A2 BR112023015514 A2 BR 112023015514A2
- Authority
- BR
- Brazil
- Prior art keywords
- exhaust gas
- treatment
- treating
- preparing
- component
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 238000011282 treatment Methods 0.000 title 3
- 239000003463 adsorbent Substances 0.000 abstract 3
- 239000003054 catalyst Substances 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 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
- 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
- B01D53/9477—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 separate bricks, e.g. exhaust systems
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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
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0842—Nitrogen oxides
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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
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
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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
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9427—Processes characterised by a specific catalyst for removing nitrous oxide
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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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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
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- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
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- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
sistemas para o tratamento de um gás de escape, processo para preparar um sistema para o tratamento de um gás de escape, método para o tratamento de um gás de escape e uso de um sistema. a presente invenção refere-se a um sistema para o tratamento de um gás de escape de um motor de combustão a diesel, um processo para a preparação de tal sistema e um uso do mesmo. em particular, o referido sistema compreende um componente adsorvente de nox e um componente de armadilha de nox pobre, em que o componente adsorvente de nox está compreendido em um primeiro catalisador compreendendo um primeiro substrato e um primeiro revestimento compreendendo um metal do grupo da platina suportado em um material zeolítico; e em que o componente de armadilha de nox pobre está compreendido em um segundo catalisador compreendendo um segundo substrato e um segundo revestimento compreendendo pt e pd ambos suportados em um primeiro material de suporte óxido não zeolítico específico, em que no referido sistema o componente adsorvente de nox é disposto a montante do componente de armadilha de nox pobre.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21163535 | 2021-03-18 | ||
PCT/EP2022/057142 WO2022195072A1 (en) | 2021-03-18 | 2022-03-18 | System for the treatment of an exhaust gas of a diesel combustion engine |
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BR112023015514A2 true BR112023015514A2 (pt) | 2023-10-03 |
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EP (1) | EP4308274A1 (pt) |
JP (1) | JP2024511060A (pt) |
KR (1) | KR20230159411A (pt) |
CN (1) | CN116997402A (pt) |
BR (1) | BR112023015514A2 (pt) |
WO (1) | WO2022195072A1 (pt) |
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JP3799651B2 (ja) * | 1995-04-28 | 2006-07-19 | マツダ株式会社 | 排気ガス浄化用触媒 |
JP6236995B2 (ja) * | 2013-08-28 | 2017-11-29 | マツダ株式会社 | 排気ガス浄化用触媒及びその製造方法並びにそれを用いた排気ガス浄化方法 |
GB2520148B (en) | 2013-09-16 | 2017-10-18 | Johnson Matthey Plc | Exhaust system with a modified lean NOx trap |
EP3626330B1 (en) | 2013-12-06 | 2023-11-22 | Johnson Matthey Public Limited Company | Passive nox adsorber consisting of palladium and small pore zeolite |
US10145281B2 (en) * | 2015-01-29 | 2018-12-04 | GM Global Technology Operations LLC | Synergistic combinations of low temperature NOx adsorbers |
KR20180026484A (ko) * | 2015-07-02 | 2018-03-12 | 존슨 맛쎄이 퍼블릭 리미티드 컴파니 | 수동 NOx 흡착제 |
GB201517580D0 (en) * | 2015-10-06 | 2015-11-18 | Johnson Matthey Plc | Exhaust system comprising a passive nox adsorber |
US20180058286A1 (en) * | 2016-08-31 | 2018-03-01 | GM Global Technology Operations LLC | METHOD AND APPARATUS TO MINIMIZE DEACTIVATION OF A LOW TEMPERATURE NOx ADSORBER IN AN EXHAUST AFTERTREATMENT SYSTEM |
GB201616269D0 (en) | 2016-09-26 | 2016-11-09 | Johnson Matthey Public Limited Company | Oxidation catalyst for a diesel engine exhaust |
GB2562875B (en) | 2017-03-31 | 2020-06-17 | Johnson Matthey Plc | An exhaust purification system having an air injection system to protect a catalyst from oxygen deprived exhaust |
WO2019229675A1 (en) * | 2018-05-29 | 2019-12-05 | Basf Corporation | Diesel oxidation catalysts for ultralow nox control |
EP3824988A1 (en) * | 2019-11-20 | 2021-05-26 | UMICORE AG & Co. KG | Catalyst for reducing nitrogen oxides |
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CN116997402A (zh) | 2023-11-03 |
US20240157348A1 (en) | 2024-05-16 |
WO2022195072A1 (en) | 2022-09-22 |
EP4308274A1 (en) | 2024-01-24 |
JP2024511060A (ja) | 2024-03-12 |
KR20230159411A (ko) | 2023-11-21 |
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