CN102822462B - 柴油发动机排气后处理系统和方法 - Google Patents

柴油发动机排气后处理系统和方法 Download PDF

Info

Publication number
CN102822462B
CN102822462B CN201180013131.8A CN201180013131A CN102822462B CN 102822462 B CN102822462 B CN 102822462B CN 201180013131 A CN201180013131 A CN 201180013131A CN 102822462 B CN102822462 B CN 102822462B
Authority
CN
China
Prior art keywords
catalyst
filter
diesel engine
molecular sieve
scr
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201180013131.8A
Other languages
English (en)
Chinese (zh)
Other versions
CN102822462A (zh
Inventor
D·斯沃洛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42136611&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN102822462(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Johnson Matthey PLC filed Critical Johnson Matthey PLC
Publication of CN102822462A publication Critical patent/CN102822462A/zh
Application granted granted Critical
Publication of CN102822462B publication Critical patent/CN102822462B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/0231—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using special exhaust apparatus upstream of the filter for producing nitrogen dioxide, e.g. for continuous filter regeneration systems [CRT]
    • 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
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors
    • 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
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
    • 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
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/116—Molecular sieves other than zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/915—Catalyst supported on particulate filters
    • B01D2255/9155—Wall flow filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B01D2258/012—Diesel engines and lean burn gasoline engines
    • 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
    • B01D53/9463—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/82—Phosphates
    • B01J29/84—Aluminophosphates containing other elements, e.g. metals, boron
    • B01J29/85—Silicoaluminophosphates [SAPO compounds]
    • 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
    • F01N2510/10—Surface coverings for preventing carbon deposits, e.g. chromium
    • 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
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
CN201180013131.8A 2010-03-08 2011-03-07 柴油发动机排气后处理系统和方法 Expired - Fee Related CN102822462B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB1003784.4A GB201003784D0 (en) 2010-03-08 2010-03-08 Improvement in control OPF emissions
GB1003784.4 2010-03-08
PCT/IB2011/000491 WO2011110919A1 (en) 2010-03-08 2011-03-07 Improvements in control of emissions

Publications (2)

Publication Number Publication Date
CN102822462A CN102822462A (zh) 2012-12-12
CN102822462B true CN102822462B (zh) 2016-06-01

Family

ID=42136611

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201180013131.8A Expired - Fee Related CN102822462B (zh) 2010-03-08 2011-03-07 柴油发动机排气后处理系统和方法

Country Status (9)

Country Link
US (1) US9574474B2 (enExample)
EP (1) EP2545263B2 (enExample)
JP (2) JP6396636B2 (enExample)
KR (1) KR101798030B1 (enExample)
CN (1) CN102822462B (enExample)
BR (1) BR112012021921A2 (enExample)
GB (1) GB201003784D0 (enExample)
RU (1) RU2556480C2 (enExample)
WO (1) WO2011110919A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201207313D0 (en) 2012-04-24 2012-06-13 Johnson Matthey Plc Filter substrate comprising three-way catalyst
GB2513364B (en) 2013-04-24 2019-06-19 Johnson Matthey Plc Positive ignition engine and exhaust system comprising catalysed zone-coated filter substrate
SE538193C2 (sv) * 2012-07-05 2016-03-29 Scania Cv Ab SCR-system och förfarande vid ett SCR-system
DE102013003112B4 (de) 2013-02-25 2017-06-14 Umicore Ag & Co. Kg SCR-Katalysator mit verbessertem NOx-Umsatz
GB2512648B (en) 2013-04-05 2018-06-20 Johnson Matthey Plc Filter substrate comprising three-way catalyst
WO2015074697A1 (de) * 2013-11-21 2015-05-28 Hjs Emission Technology Gmbh & Co. Kg Einrichtung zum reinigen der abgase einer brennkraftmaschine
DE102021118801A1 (de) 2021-07-21 2023-01-26 Umicore Ag & Co. Kg Abgasreinigungssystem zur Reinigung von Abgasen von Benzinmotoren
DE102021118802A1 (de) 2021-07-21 2023-01-26 Umicore Ag & Co. Kg Abgasreinigungssystem zur Reinigung von Abgasen von Benzinmotoren
DE102021118803A1 (de) 2021-07-21 2023-01-26 Umicore Ag & Co. Kg Abgasreinigungssystem zur Reinigung von Abgasen von Benzinmotoren
WO2023198575A1 (de) 2022-04-11 2023-10-19 Umicore Ag & Co. Kg Abgassystem für überwiegend stöchiometrisch betriebene verbrennungsmotoren aufweisend einen katalysator zur verminderung der ammoniakemissionen
DE102023101779A1 (de) 2022-04-11 2023-10-12 Umicore Ag & Co. Kg Abgassystem für überwiegend stöchiometrisch betriebene Verbrennungsmotoren aufweisend einen Katalysator zur Verminderung der Ammoniakemissionen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000043469A2 (en) * 1999-01-21 2000-07-27 Litex, Inc. Combined plasma reactor catalyst systems for effective emission control over a range of operating conditions
WO2008011146A1 (en) * 2006-07-21 2008-01-24 Dow Global Technologies Inc. Improved zone catalyzed soot filter
WO2008030314A1 (en) * 2006-09-08 2008-03-13 Caterpillar Inc. Emissions reduction system
WO2008132452A2 (en) * 2007-04-26 2008-11-06 Johnson Matthey Public Limited Company Transition metal/zeolite scr catalysts
US20090031702A1 (en) * 2007-07-31 2009-02-05 Caterpillar Inc. Particulate filter

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03130522A (ja) 1989-10-12 1991-06-04 Mitsubishi Heavy Ind Ltd デイゼルエンジン排ガス処理装置
US6089014A (en) * 1990-06-08 2000-07-18 Corning Incorporated Engine exhaust system with reduced hydrocarbon emissions
AU705112B2 (en) 1995-06-06 1999-05-13 Johnson Matthey Public Limited Company Combatting air pollution
GB9511421D0 (en) 1995-06-06 1995-08-02 Johnson Matthey Plc Improvements in emissions control
US5531068A (en) * 1995-06-19 1996-07-02 Uop Combination catalyst/adsorber system for treating an engine exhaust gas stream
JP2003521363A (ja) 1998-11-13 2003-07-15 エンゲルハード・コーポレーシヨン 排気ガス放出を減少させる触媒および方法
US6375910B1 (en) 1999-04-02 2002-04-23 Engelhard Corporation Multi-zoned catalytic trap and methods of making and using the same
US7832203B2 (en) 2001-10-27 2010-11-16 Johnson Matthey Public Limited Company Exhaust system for a lean burn internal combustion engine
JP3876705B2 (ja) 2001-12-13 2007-02-07 いすゞ自動車株式会社 ディーゼルエンジンの排気ガス浄化システム
JP2004060494A (ja) 2002-07-26 2004-02-26 Toyota Motor Corp 内燃機関の排気浄化装置
US7134273B2 (en) * 2002-09-04 2006-11-14 Ford Global Technologies, Llc Exhaust emission control and diagnostics
US7332135B2 (en) * 2002-10-22 2008-02-19 Ford Global Technologies, Llc Catalyst system for the reduction of NOx and NH3 emissions
US7492785B2 (en) 2003-06-23 2009-02-17 Computer Associates Think, Inc. Time skew correction in data time stamping
DE10335785A1 (de) * 2003-08-05 2005-03-10 Umicore Ag & Co Kg Katalysatoranordnung und Verfahren zur Reinigung des Abgases von mager betriebenen Verbrennungsmotoren
US7229597B2 (en) 2003-08-05 2007-06-12 Basfd Catalysts Llc Catalyzed SCR filter and emission treatment system
US7722829B2 (en) * 2004-09-14 2010-05-25 Basf Catalysts Llc Pressure-balanced, catalyzed soot filter
JP2006274986A (ja) * 2005-03-30 2006-10-12 Mitsubishi Fuso Truck & Bus Corp 排気後処理装置
US7685813B2 (en) * 2005-06-09 2010-03-30 Eaton Corporation LNT regeneration strategy over normal truck driving cycle
US7673448B2 (en) * 2005-08-05 2010-03-09 Basf Catalysts Llc Diesel exhaust article and catalyst compositions therefor
ES2551703T3 (es) * 2006-06-13 2015-11-23 Volvo Lastvagnar Ab Sistema catalítico para diésel
DE102006038288A1 (de) * 2006-08-16 2008-02-21 Man Nutzfahrzeuge Aktiengesellschaft Abgasnachbehandlungssystem
RU2455503C2 (ru) 2006-12-21 2012-07-10 Джонсон Мэттей Паблик Лимитед Компани Устройство, содержащее двигатель внутреннего сгорания, работающий на бедных смесях, и система выхлопа
US8580228B2 (en) * 2006-12-27 2013-11-12 Chevron U.S.A. Inc. Treatment of cold start engine exhaust
US7998423B2 (en) * 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
US20080314022A1 (en) * 2007-06-19 2008-12-25 Eaton Corporation Strategy for scheduling LNT regeneration
DE502007002874D1 (de) 2007-09-28 2010-04-01 Umicore Ag & Co Kg Entfernung von Partikeln aus dem Abgas von mit überwiegend stöchiometrischem Luft/Kraftstoff-Gemisch betriebenen Verbrennungsmotoren
WO2009060765A1 (ja) * 2007-11-05 2009-05-14 Mitsubishi Fuso Truck And Bus Corporation ハイブリッド電気自動車の排気浄化装置
JP4798511B2 (ja) * 2007-11-21 2011-10-19 トヨタ自動車株式会社 ＮＯｘ浄化装置の診断装置
US9863297B2 (en) * 2007-12-12 2018-01-09 Basf Corporation Emission treatment system
KR101621983B1 (ko) 2008-02-05 2016-05-31 바스프 코포레이션 미립자 트랩을 갖는 가솔린 엔진 배출물 처리 시스템
DE102008018520A1 (de) * 2008-04-12 2009-10-15 Man Nutzfahrzeuge Aktiengesellschaft Schwefelresistentes Abgasnachbehandlungssystem zur Vermeidung von Stickoxiden
EP2138681B1 (de) 2008-06-27 2019-03-27 Umicore AG & Co. KG Verfahren und Vorrichtung zur Reinigung von Dieselabgasen
JP5258426B2 (ja) * 2008-07-14 2013-08-07 Ｕｄトラックス株式会社 エンジンの排気浄化装置
JP4450257B2 (ja) * 2008-07-14 2010-04-14 三菱自動車工業株式会社 排気浄化装置
CN101457681A (zh) * 2008-10-17 2009-06-17 奇瑞汽车股份有限公司 一种柴油机后处理系统
US8544260B2 (en) * 2008-12-24 2013-10-01 Basf Corporation Emissions treatment systems and methods with catalyzed SCR filter and downstream SCR catalyst
US8448424B2 (en) * 2009-01-16 2013-05-28 Ford Global Technologies, Llc. Emission control system with an integrated particulate filter and selective catalytic reduction unit
GB0903262D0 (en) 2009-02-26 2009-04-08 Johnson Matthey Plc Filter
DE102009033635B4 (de) * 2009-07-17 2020-11-05 Umicore Ag & Co. Kg Katalytisch aktives Partikelfilter mit Schwefelwasserstoff-Sperrfunktion, seine Verwendung und Verfahren zur Entfernung von Stickoxiden und Partikeln
US8246922B2 (en) * 2009-10-02 2012-08-21 Basf Corporation Four-way diesel catalysts and methods of use
US8591820B2 (en) * 2011-03-11 2013-11-26 Corning Incorporated Honeycomb filters for reducing NOx and particulate matter in diesel engine exhaust
US8524182B2 (en) * 2011-05-13 2013-09-03 Basf Se Catalyzed soot filter with layered design
GB2492175B (en) * 2011-06-21 2018-06-27 Johnson Matthey Plc Exhaust system for internal combustion engine comprising catalysed filter substrate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000043469A2 (en) * 1999-01-21 2000-07-27 Litex, Inc. Combined plasma reactor catalyst systems for effective emission control over a range of operating conditions
WO2008011146A1 (en) * 2006-07-21 2008-01-24 Dow Global Technologies Inc. Improved zone catalyzed soot filter
WO2008030314A1 (en) * 2006-09-08 2008-03-13 Caterpillar Inc. Emissions reduction system
WO2008132452A2 (en) * 2007-04-26 2008-11-06 Johnson Matthey Public Limited Company Transition metal/zeolite scr catalysts
US20090031702A1 (en) * 2007-07-31 2009-02-05 Caterpillar Inc. Particulate filter

Also Published As

Publication number Publication date
JP6396636B2 (ja) 2018-09-26
EP2545263B1 (en) 2014-07-23
RU2556480C2 (ru) 2015-07-10
GB201003784D0 (en) 2010-04-21
KR101798030B1 (ko) 2017-11-15
CN102822462A (zh) 2012-12-12
JP2013522517A (ja) 2013-06-13
JP2017150493A (ja) 2017-08-31
BR112012021921A2 (pt) 2016-05-31
US9574474B2 (en) 2017-02-21
EP2545263A1 (en) 2013-01-16
US20120324867A1 (en) 2012-12-27
KR20130029377A (ko) 2013-03-22
WO2011110919A1 (en) 2011-09-15
RU2012142678A (ru) 2014-04-27
EP2545263B2 (en) 2022-04-20

Similar Documents

Publication Publication Date Title
CN102822462B (zh) 柴油发动机排气后处理系统和方法
Johnson Diesel emissions in review
US10316739B2 (en) Method and device for the purification of diesel exhaust gases
EP1458960B1 (en) Improvements in selective catalytic reduction
CN104903554B (zh) 紧密耦合的scr系统
KR101659788B1 (ko) 조건에 따라 이산화질소를 제공하기 위한 온도제어식 프리캐탈리스트를 사용하는 디젤기관 배기가스의 질소 산화물 제거
CN109026455B (zh) 包括NOx还原催化剂和EGR回路的排气系统
EP2683468B1 (en) Exhaust system having ammonia slip catalyst in egr circuit
US20090241521A1 (en) Apparatus for purifying exhaust gas
US20110120093A1 (en) Process and apparatus for purifying exhaust gases from an internal combustion engine
CN103702745A (zh) 双功能催化过滤器
CN101809255A (zh) 用于在具有稀燃运行的内燃机的机动车辆中降低二氧化氮排放的方法
EP2292316B1 (en) Apparatus for after-treatment of exhaust from diesel engine
US9777654B2 (en) Method and apparatus for improved lightoff performance of aftertreatment catalysts
Chatterjee et al. Heavy duty diesel engine emission control to meet BS VI regulations
US20170157564A1 (en) Dual-layer catalyst
CN108071451A (zh) 具有NOx存储能力的选择性催化还原过滤器装置
Dong et al. An ethanol SCR for NOx purification: performance evaluation on engine bench and demonstration on bus
WO2015150000A1 (en) Method and system for the removal of particulate matter and noxious compounds from engine exhaust gas

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160601