KR20120041162A - 희박 연소 엔진용 hc-scr 시스템 - Google Patents

희박 연소 엔진용 hc-scr 시스템 Download PDF

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Publication number
KR20120041162A
KR20120041162A KR20117026031A KR20117026031A KR20120041162A KR 20120041162 A KR20120041162 A KR 20120041162A KR 20117026031 A KR20117026031 A KR 20117026031A KR 20117026031 A KR20117026031 A KR 20117026031A KR 20120041162 A KR20120041162 A KR 20120041162A
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KR
South Korea
Prior art keywords
conduit
catalyst
exhaust stream
exhaust
scr
Prior art date
Application number
KR20117026031A
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English (en)
Korean (ko)
Inventor
충-종 완
패트릭 버크
자이올라이 젱
Original Assignee
바스프 코포레이션
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Application filed by 바스프 코포레이션 filed Critical 바스프 코포레이션
Publication of KR20120041162A publication Critical patent/KR20120041162A/ko

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/20Exhaust 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 ; Methods of operation or control of catalytic converters
    • F01N3/2066Selective catalytic reduction [SCR]
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/20Exhaust 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 ; Methods of operation or control of catalytic converters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • B01D53/56Nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021Exhaust 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
    • F01N3/023Exhaust 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
    • F01N3/0231Exhaust 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]
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/103Oxidation catalysts for HC and CO only
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/24Exhaust 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 constructional aspects of converting apparatus
    • F01N3/28Construction of catalytic reactors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/30Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a fuel reformer
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2410/00By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/03Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)
KR20117026031A 2009-04-02 2010-03-31 희박 연소 엔진용 hc-scr 시스템 KR20120041162A (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US16604709P 2009-04-02 2009-04-02
US61/166,047 2009-04-02
US16660309P 2009-04-03 2009-04-03
US61/166,603 2009-04-03
US16993209P 2009-04-16 2009-04-16
US61/169,932 2009-04-16

Publications (1)

Publication Number Publication Date
KR20120041162A true KR20120041162A (ko) 2012-04-30

Family

ID=42825039

Family Applications (1)

Application Number Title Priority Date Filing Date
KR20117026031A KR20120041162A (ko) 2009-04-02 2010-03-31 희박 연소 엔진용 hc-scr 시스템

Country Status (7)

Country Link
US (1) US20100251700A1 (pt)
EP (1) EP2419612A4 (pt)
JP (1) JP2012522930A (pt)
KR (1) KR20120041162A (pt)
CN (1) CN102388207A (pt)
BR (1) BRPI1015090A2 (pt)
WO (1) WO2010114876A2 (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140105568A (ko) * 2011-12-14 2014-09-01 존슨 맛쎄이 퍼블릭 리미티드 컴파니 자동차 촉매 후처리 시스템
KR20190127953A (ko) * 2017-04-04 2019-11-13 바스프 코포레이션 수소-보조된 통합된 배출물 제어 시스템

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5683267B2 (ja) * 2007-08-30 2015-03-11 クール フレイム テクノロジーズ アクティーゼルスカブ 排気ガス装置、およびNOxトラップと粒子フィルタの再生方法
US20100229539A1 (en) * 2009-03-16 2010-09-16 Caterpillar Inc. Hydrocarbon scr aftertreatment system
US20110283685A1 (en) * 2009-04-27 2011-11-24 Kotrba Adam J Exhaust Treatment System With Hydrocarbon Lean NOx Catalyst
US8904760B2 (en) * 2009-06-17 2014-12-09 GM Global Technology Operations LLC Exhaust gas treatment system including an HC-SCR and two-way catalyst and method of using the same
KR101158816B1 (ko) * 2009-08-21 2012-06-26 기아자동차주식회사 디젤 차량의 배기 장치
GB2485530A (en) * 2010-11-11 2012-05-23 Johnson Matthey Plc Catalyst system
US20120144802A1 (en) * 2010-12-10 2012-06-14 Driscoll James J Exhaust system having doc regeneration strategy
US20120258032A1 (en) * 2011-11-02 2012-10-11 Johnson Matthey Public Limited Company Catalyzed filter for treating exhaust gas
KR101875228B1 (ko) * 2012-01-27 2018-07-05 두산인프라코어 주식회사 Urea-scr 시스템 장치 및 제어방법
DE102013200361B4 (de) * 2012-03-09 2017-04-06 Ford Global Technologies, Llc Abgasnachbehandlungssystem, Kraftfahrzeug und Verfahren zur Abgasnachbehandlung
US8765623B2 (en) 2012-04-26 2014-07-01 Caterpillar Inc. Method for exhaust gas after treatment
KR101535088B1 (ko) * 2012-06-12 2015-07-08 희성촉매 주식회사 고성능 scr 촉매 시스템
US20140170030A1 (en) * 2012-12-14 2014-06-19 International Engine Intellectual Property Company, Llc Aftertreatment System Using LNT and SCR
GB2510171B (en) 2013-01-28 2015-01-28 Cool Flame Technologies As Method and cleaning apparatus for removal of SOx and NOx from exhaust gas
CN104936679B (zh) * 2013-02-14 2017-08-18 托普索公司 用于从烟道气或废气中同时除去一氧化碳和氮氧化物的方法和催化剂
KR101445038B1 (ko) * 2013-06-28 2014-09-26 두산엔진주식회사 선택적 촉매 환원 및 촉매 재생 시스템
FR3013381B1 (fr) * 2013-11-15 2016-01-01 IFP Energies Nouvelles Procede de depollution des gaz d'echappement, notamment de moteur a combustion interne, en particulier pour vehicule automobile, et installation utilisant un tel procede.
CN105089745B (zh) * 2014-04-17 2018-08-14 通用电气公司 减少废排气中的氮氧化物的系统和方法
JP5863885B2 (ja) 2014-06-06 2016-02-17 三菱日立パワーシステムズ株式会社 ボイラシステムおよびそれを備えた発電プラント
CA2961232A1 (en) 2014-10-21 2016-04-28 Basf Corporation Emissions treatment systems with twc catalysts and scr-hct catalysts
US10493434B2 (en) 2015-03-03 2019-12-03 Basf Corporation NOx adsorber catalyst, methods and systems
JP6865696B2 (ja) * 2015-06-12 2021-04-28 ビーエーエスエフ コーポレーション 排ガス処理システム
US9957867B2 (en) 2016-03-25 2018-05-01 Ford Global Technologies, Llc Method and system for emissions reduction
JP7301541B2 (ja) * 2016-06-13 2023-07-03 ビーエーエスエフ コーポレーション 触媒複合体及びnoxの選択接触還元におけるその使用方法
US10473020B2 (en) 2016-07-25 2019-11-12 Ford Global Technologies, Llc Method and system for exhaust aftertreatment
US10337374B2 (en) * 2017-03-15 2019-07-02 Ford Global Technologies, Llc Methods and systems for an aftertreatment catalyst
CN110678630B (zh) 2017-04-04 2023-10-31 巴斯夫公司 在车上生成氨和氢
JP2020515765A (ja) 2017-04-04 2020-05-28 ビーエーエスエフ コーポレーション 触媒的汚染除去のための水素還元剤
JP2020515768A (ja) 2017-04-04 2020-05-28 ビーエーエスエフ コーポレーション 車載型水素発生および排気流中で使用する方法
CN110662890A (zh) 2017-04-04 2020-01-07 巴斯夫公司 用于NOx排放控制的氨生成系统
WO2018185666A1 (en) 2017-04-04 2018-10-11 Basf Corporation Integrated emissions control system
JP2019148232A (ja) * 2018-02-27 2019-09-05 東京濾器株式会社 排気ガス処理システム、排気ガス浄化方法
DK201800098A1 (en) * 2018-03-01 2019-10-09 HANS JENSEN GREENTECH ApS Selective Catalytic Reduction System and Method for NOx Reduction
CN114718698A (zh) * 2021-01-05 2022-07-08 长城汽车股份有限公司 尾气后处理系统、方法及具有该尾气后处理系统的车辆

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329162A (en) * 1980-07-03 1982-05-11 Corning Glass Works Diesel particulate trap
US4522894A (en) * 1982-09-30 1985-06-11 Engelhard Corporation Fuel cell electric power production
US5100632A (en) * 1984-04-23 1992-03-31 Engelhard Corporation Catalyzed diesel exhaust particulate filter
KR100318575B1 (ko) * 1991-11-26 2002-04-22 스티븐 아이. 밀러 세리아-알루미나산화촉매및그사용방법
KR100318576B1 (ko) * 1991-11-26 2002-04-22 스티븐 아이. 밀러 산화촉매및그사용방법
JP2850689B2 (ja) * 1993-01-14 1999-01-27 三菱自動車工業株式会社 排気ガス浄化装置
DE60123628T2 (de) * 2000-08-02 2007-08-23 Mikuni Corp. Elektronisch geregelte Einspritzvorrichtung
JP3905359B2 (ja) * 2001-11-22 2007-04-18 日産ディーゼル工業株式会社 ガスエンジンの排気浄化装置
US7021048B2 (en) * 2002-01-25 2006-04-04 Arvin Technologies, Inc. Combination emission abatement assembly and method of operating the same
US7135153B2 (en) * 2002-03-07 2006-11-14 Southwest Research Institute NOx reduction system for diesel engines, using hydrogen selective catalytic reduction
US6758035B2 (en) * 2002-09-18 2004-07-06 Arvin Technologies, Inc. Method and apparatus for purging SOX from a NOX trap
DE10243270A1 (de) * 2002-09-18 2004-03-25 Robert Bosch Gmbh Abgasreinigungsanlage einer Brennkraftmaschine und Verfahren zur Reinigung deren Abgase
EP1563169A1 (en) * 2002-11-15 2005-08-17 Catalytica Energy Systems, Inc. Devices and methods for reduction of nox emissions from lean burn engines
US6832473B2 (en) * 2002-11-21 2004-12-21 Delphi Technologies, Inc. Method and system for regenerating NOx adsorbers and/or particulate filters
DE10300298A1 (de) * 2003-01-02 2004-07-15 Daimlerchrysler Ag Abgasnachbehandlungseinrichtung und -verfahren
US20050022450A1 (en) * 2003-02-12 2005-02-03 Cher-Dip Tan Reformer system, a method of producing hydrogen in the reformer system, and a method of using the reformer system
EP1484103A1 (en) * 2003-06-06 2004-12-08 Umicore AG & Co. KG Process and apparatus for catalytic conversion of hydrocarbons for generating a gas rich in hydrogen
US7213395B2 (en) * 2004-07-14 2007-05-08 Eaton Corporation Hybrid catalyst system for exhaust emissions reduction
WO2006066043A1 (en) * 2004-12-15 2006-06-22 Donaldson Company, Inc. Control for an engine exhaust treatment system
US7395670B1 (en) * 2005-02-18 2008-07-08 Praxair Technology, Inc. Gas turbine fuel preparation and introduction method
JP4192905B2 (ja) * 2005-03-04 2008-12-10 トヨタ自動車株式会社 内燃機関の排気浄化装置
US20060201139A1 (en) * 2005-03-10 2006-09-14 Navin Khadiya Emission abatement systems and methods
US7721532B2 (en) * 2005-06-30 2010-05-25 General Electric Company Method and system for regeneration of a catalyst
US20070012032A1 (en) * 2005-07-12 2007-01-18 Eaton Corporation Hybrid system comprising HC-SCR, NOx-trapping, and NH3-SCR for exhaust emission reduction
US8056322B2 (en) * 2005-12-12 2011-11-15 General Electric Company System and method for supplying oxygenate reductants to an emission treatment system
JP2007278162A (ja) * 2006-04-06 2007-10-25 Hino Motors Ltd ディーゼルエンジンの排ガス浄化装置
US7562522B2 (en) * 2006-06-06 2009-07-21 Eaton Corporation Enhanced hybrid de-NOx system
US20070289291A1 (en) * 2006-06-14 2007-12-20 Alexander Rabinovich Apparatus and Method for NOx Reduction
JP4453686B2 (ja) * 2006-07-24 2010-04-21 トヨタ自動車株式会社 内燃機関の排気浄化システム
US7802423B2 (en) * 2006-08-21 2010-09-28 General Electric Company Condenser unit for NOx emission reduction system
US8173574B2 (en) * 2006-09-20 2012-05-08 Basf Corporation Catalysts to reduce NOx in an exhaust gas stream and methods of preparation
US7650747B2 (en) * 2007-03-28 2010-01-26 Gm Global Technology Operations, Inc. Method and apparatus for exhaust gas purifying using hydrocarbon-selective catalytic reduction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140105568A (ko) * 2011-12-14 2014-09-01 존슨 맛쎄이 퍼블릭 리미티드 컴파니 자동차 촉매 후처리 시스템
KR20190127953A (ko) * 2017-04-04 2019-11-13 바스프 코포레이션 수소-보조된 통합된 배출물 제어 시스템

Also Published As

Publication number Publication date
EP2419612A2 (en) 2012-02-22
WO2010114876A2 (en) 2010-10-07
JP2012522930A (ja) 2012-09-27
WO2010114876A3 (en) 2011-01-13
EP2419612A4 (en) 2015-05-27
CN102388207A (zh) 2012-03-21
BRPI1015090A2 (pt) 2016-04-26
US20100251700A1 (en) 2010-10-07

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