DE69618357T2 - Verfahren zur Reinigung von Verbrennungsabgasen - Google Patents

Verfahren zur Reinigung von Verbrennungsabgasen

Info

Publication number
DE69618357T2
DE69618357T2 DE69618357T DE69618357T DE69618357T2 DE 69618357 T2 DE69618357 T2 DE 69618357T2 DE 69618357 T DE69618357 T DE 69618357T DE 69618357 T DE69618357 T DE 69618357T DE 69618357 T2 DE69618357 T2 DE 69618357T2
Authority
DE
Germany
Prior art keywords
purification
processes
combustion gases
gases
combustion
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 - Lifetime
Application number
DE69618357T
Other languages
English (en)
Other versions
DE69618357D1 (de
Inventor
Yukio Kinugasa
Kouhei Igarashi
Takaaki Itou
Toshifumi Takaoka
Michihiro Ohashi
Koji Yokota
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.)
Toyota Motor Corp
Toyota Central R&D Labs Inc
Original Assignee
Toyota Motor Corp
Toyota Central R&D Labs Inc
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
Application filed by Toyota Motor Corp, Toyota Central R&D Labs Inc filed Critical Toyota Motor Corp
Publication of DE69618357D1 publication Critical patent/DE69618357D1/de
Application granted granted Critical
Publication of DE69618357T2 publication Critical patent/DE69618357T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • 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
    • 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
    • B01D53/9436—Ammonia
    • 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
    • B01D53/9495—Controlling the catalytic process
    • 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
    • F01N13/00—Exhaust 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
    • F01N13/009—Exhaust 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
    • 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
    • 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
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • 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 ; Methods of operation or control of catalytic converters
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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
    • 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
    • F01N3/222—Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only
    • 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
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/04—Catalytic converters
    • 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
    • F01N2240/00—Combination 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
    • F01N2240/25—Combination 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 an ammonia generator
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/12—Combinations of different methods of purification absorption or adsorption, and 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
    • 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)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Materials Engineering (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
DE69618357T 1995-01-27 1996-01-26 Verfahren zur Reinigung von Verbrennungsabgasen Expired - Lifetime DE69618357T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1190395 1995-01-27
JP28079795 1995-10-27

Publications (2)

Publication Number Publication Date
DE69618357D1 DE69618357D1 (de) 2002-02-14
DE69618357T2 true DE69618357T2 (de) 2002-07-11

Family

ID=26347429

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69618357T Expired - Lifetime DE69618357T2 (de) 1995-01-27 1996-01-26 Verfahren zur Reinigung von Verbrennungsabgasen

Country Status (5)

Country Link
US (1) US5783160A (de)
EP (1) EP0723805B1 (de)
KR (1) KR100186852B1 (de)
CN (1) CN1072519C (de)
DE (1) DE69618357T2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017218838A1 (de) * 2017-10-23 2019-04-25 Bayerische Motoren Werke Aktiengesellschaft Brennkraftmaschine mit einer Abgasanlage
DE102019211990A1 (de) * 2019-08-09 2021-02-11 Vitesco Technologies GmbH Otto-Motor mit im Abgasstrang angeordnetem NH3-Sperrkatalysator zur Ammoniak-Konvertierung
WO2022243159A1 (de) * 2021-05-20 2022-11-24 Audi Ag Kaltstart-abgasreinigung

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6133185A (en) * 1995-11-09 2000-10-17 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying catalyst
US6345496B1 (en) 1995-11-09 2002-02-12 Toyota Jidosha Kabushiki Kaisha Method and device for purifying exhaust gas of an engine
CA2235734C (en) * 1995-11-17 2002-02-19 Yukio Kinugasa Method and device for purifying exhaust gas of engine
JP3702544B2 (ja) * 1996-03-22 2005-10-05 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP3713831B2 (ja) * 1996-04-19 2005-11-09 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP3456408B2 (ja) * 1997-05-12 2003-10-14 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE19721440A1 (de) * 1997-05-21 1998-11-26 Degussa Verfahren zur Reinigung eines mageren Abgases und Katalysatorsystem hierfür
DE19820828B4 (de) * 1998-05-09 2004-06-24 Daimlerchrysler Ag Stickoxidemissionsmindernde Abgasreinigungsanlage
JP2000093749A (ja) * 1998-09-25 2000-04-04 Mitsubishi Heavy Ind Ltd 排ガスの脱硝方法
US6293096B1 (en) * 1999-06-23 2001-09-25 Southwest Research Institute Multiple stage aftertreatment system
US6615580B1 (en) 1999-06-23 2003-09-09 Southwest Research Institute Integrated system for controlling diesel engine emissions
EP1246894B1 (de) * 1999-11-23 2012-01-11 Tomah Products, Inc. Treibstoffzusatz, diesen zusatz enthaltende treibstoffzusammensetzungen und verfahren zu deren herstellung
GB9927563D0 (en) * 1999-11-23 2000-01-19 Williamson Ian A process and method for blending a fuel containing a high molecular weight compound
US20040118034A1 (en) * 1999-11-23 2004-06-24 Williamson Ian Vernon Fuel composition containing heavy fraction
US6354079B1 (en) * 1999-11-26 2002-03-12 Hyundai Motor Company Apparatus and method of purifying NOx in the exhaust gas of the diesel engine
KR100492449B1 (ko) * 2000-06-30 2005-05-31 아이씨티 코., 엘티디. 배기 정화용 촉매장치
KR100733689B1 (ko) * 2000-08-09 2007-06-28 바브콕-히다찌 가부시끼가이샤 암모니아 함유 배수(排水)의 처리방법 및 장치
DE10054877A1 (de) 2000-11-06 2002-05-29 Omg Ag & Co Kg Abgasreinigungsanlage für die selektive katalytische Reduktion von Stickoxiden unter mageren Abgasbedingungen und Verfahren zur Abgasreinigung
DE10104160B4 (de) * 2001-01-30 2008-07-10 Umicore Ag & Co. Kg Verfahren zum Betreiben einer Abgasreinigungsanlage für einen Verbrennungsmotor
DE10124548A1 (de) * 2001-05-19 2002-11-28 Degussa Verfahren zur selektiven katalytischen Reduktion von Stickoxiden mit Ammoniak im mageren Abgas eines Verbrennungsprozesses
JP3735594B2 (ja) * 2002-06-28 2006-01-18 株式会社東芝 光ディスク装置と光ディスク装置の待機方法
US7199088B2 (en) 2002-07-01 2007-04-03 Shell Oil Company Lubricating oil for a diesel powered engine and method of operating a diesel powered engine
US7332135B2 (en) 2002-10-22 2008-02-19 Ford Global Technologies, Llc Catalyst system for the reduction of NOx and NH3 emissions
WO2004058641A1 (en) * 2002-12-17 2004-07-15 Clean Diesel Technologies, Inc. Nox control for ic engines
US7490464B2 (en) * 2003-11-04 2009-02-17 Basf Catalysts Llc Emissions treatment system with NSR and SCR catalysts
JP4526831B2 (ja) * 2004-02-16 2010-08-18 本田技研工業株式会社 内燃機関の排気浄化装置
US20070003455A1 (en) * 2004-04-19 2007-01-04 Honda Motor Co., Ltd. Exhaust purifying device for internal combustion engine
JP4370238B2 (ja) * 2004-12-27 2009-11-25 本田技研工業株式会社 内燃機関の排気浄化装置
JP4321485B2 (ja) * 2005-04-12 2009-08-26 トヨタ自動車株式会社 排ガス浄化装置およびその方法
US7473095B2 (en) * 2005-04-29 2009-01-06 Siddhartha Gaur NOx emissions reduction process and apparatus
US7943547B2 (en) * 2005-09-14 2011-05-17 Hamilton Sundstrand Space Systems International, Inc. Selective catalytic oxidation of ammonia to water and nitrogen
JP4372764B2 (ja) * 2006-03-30 2009-11-25 トヨタ自動車株式会社 排ガス浄化装置
WO2008016627A1 (en) * 2006-08-01 2008-02-07 Cormetech, Inc. Compositions and methods for treating exhaust gases
US20080072578A1 (en) * 2006-09-21 2008-03-27 Kumar Sanath V Treatment Systems and Methods for Internal Combustion Engine Exhaust Streams
US8607769B2 (en) * 2006-11-16 2013-12-17 Siddhartha Gaur Combustion controlled NOx reduction method and device
US7707824B2 (en) * 2007-04-10 2010-05-04 Gm Global Technology Operations, Inc. Excess NH3 storage control for SCR catalysts
JP5018325B2 (ja) * 2007-08-08 2012-09-05 トヨタ自動車株式会社 内燃機関の排気浄化装置
US8302379B2 (en) * 2008-05-02 2012-11-06 GM Global Technology Operations LLC Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines
JP2010101310A (ja) * 2008-09-26 2010-05-06 Yamaha Motor Co Ltd 鞍乗り型車両
US8171722B2 (en) * 2008-12-05 2012-05-08 Caterpillar Inc. Fluid delivery system
US8291695B2 (en) * 2008-12-05 2012-10-23 GM Global Technology Operations LLC Method and apparatus for controlling exhaust emissions in a spark-ignition direct-injection engine
CN103877983A (zh) * 2009-03-17 2014-06-25 株式会社日本触媒 制氢催化剂和使用该制氢催化剂的制氢方法
US9662611B2 (en) 2009-04-03 2017-05-30 Basf Corporation Emissions treatment system with ammonia-generating and SCR catalysts
US8943808B2 (en) 2010-09-27 2015-02-03 Caterpillar Inc. Reductant dosing system
US8984870B2 (en) * 2011-02-22 2015-03-24 GM Global Technology Operations LLC Low temperature NOx storage system for lean exhaust aftertreatment
US8101146B2 (en) 2011-04-08 2012-01-24 Johnson Matthey Public Limited Company Catalysts for the reduction of ammonia emission from rich-burn exhaust
JP5549656B2 (ja) 2011-09-27 2014-07-16 トヨタ自動車株式会社 内燃機関の排気浄化装置
CN102423684B (zh) * 2011-10-28 2015-08-12 广西博世科环保科技股份有限公司 一种改性沸石氨氮吸附剂及其使用和再生方法
JP5880682B2 (ja) * 2012-02-15 2016-03-09 トヨタ自動車株式会社 卑金属を利用する排ガス浄化触媒システムとその制御方法
CN104033220A (zh) * 2014-05-27 2014-09-10 东莞市石碣宇商电子厂 一种汽车尾气的改善方法
US9347358B1 (en) * 2014-11-26 2016-05-24 General Electric Company Silencer for mid-bed air injection mixing
CN108730006A (zh) * 2018-08-01 2018-11-02 广西玉柴机器股份有限公司 当量燃烧天然气发动机的氨处理装置及控制方法
CN112443833B (zh) * 2019-09-05 2023-01-06 中国科学院工程热物理研究所 燃烧器底置煤粉锅炉及其控制方法
EP4066923A1 (de) 2021-03-30 2022-10-05 UMICORE AG & Co. KG Katalysator zur entfernung von ammoniak aus dem abgas von benzinverbrennungsmotoren
WO2023272317A1 (en) * 2021-06-30 2023-01-05 Innio Jenbacher Gmbh & Co Og An internal combustion engine and a method for operating an internal combustion engine

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599427A (en) * 1969-09-22 1971-08-17 Ford Motor Co Exhaust gas purification
FR2136960B1 (de) * 1971-05-10 1973-05-11 Fayet Andre
US3825654A (en) * 1972-04-21 1974-07-23 Gulf Research Development Co Process for reducing the content of nitrogen oxides in the exhaust gases from internal combustion engines
JPS5518539B2 (de) * 1972-11-14 1980-05-20
JPS5814251B2 (ja) * 1975-02-20 1983-03-18 トウアネンリヨウコウギヨウ カブシキガイシヤ チツソサンカブツノ セツシヨクカンゲンホウ
JPS51149165A (en) * 1975-05-28 1976-12-21 Kyushu Sekisui Kogyo Kk A process for decomposing ammonia gas
JPS5386694A (en) * 1976-12-28 1978-07-31 Kurita Water Ind Ltd Ammonia oxidation catalyst
JPS5386917A (en) * 1977-01-10 1978-07-31 Toyota Motor Corp Cleaning method for engine exhaust gas
JPS60143833A (ja) * 1983-12-29 1985-07-30 Babcock Hitachi Kk アンモニア除去触媒
US4912776A (en) * 1987-03-23 1990-03-27 W. R. Grace & Co.-Conn. Process for removal of NOx from fluid streams
US5244852A (en) * 1988-11-18 1993-09-14 Corning Incorporated Molecular sieve-palladium-platinum catalyst on a substrate
US5120695A (en) * 1989-07-28 1992-06-09 Degusaa Aktiengesellschaft (Degussa Ag) Catalyst for purifying exhaust gases from internal combustion engines and gas turbines operated at above the stoichiometric ratio
JP2542290B2 (ja) * 1991-02-18 1996-10-09 正勝 平岡 排ガスの浄化方法
JP2967113B2 (ja) * 1991-06-12 1999-10-25 株式会社豊田中央研究所 排気浄化方法
JP3098083B2 (ja) * 1991-12-26 2000-10-10 マツダ株式会社 排気ガス浄化用触媒
JPH06190246A (ja) * 1992-12-25 1994-07-12 Idemitsu Kosan Co Ltd 自動車排気浄化装置
US5433071A (en) * 1993-12-27 1995-07-18 Ford Motor Company Apparatus and method for controlling noxious components in automotive emissions using a conditioning catalyst for removing hydrogen
JP3427581B2 (ja) * 1994-09-13 2003-07-22 トヨタ自動車株式会社 内燃機関の排気浄化装置
JPH08141398A (ja) * 1994-11-21 1996-06-04 Catalysts & Chem Ind Co Ltd アンモニア分解触媒

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017218838A1 (de) * 2017-10-23 2019-04-25 Bayerische Motoren Werke Aktiengesellschaft Brennkraftmaschine mit einer Abgasanlage
DE102019211990A1 (de) * 2019-08-09 2021-02-11 Vitesco Technologies GmbH Otto-Motor mit im Abgasstrang angeordnetem NH3-Sperrkatalysator zur Ammoniak-Konvertierung
WO2022243159A1 (de) * 2021-05-20 2022-11-24 Audi Ag Kaltstart-abgasreinigung

Also Published As

Publication number Publication date
DE69618357D1 (de) 2002-02-14
EP0723805A3 (de) 1997-02-19
EP0723805A2 (de) 1996-07-31
KR960028959A (ko) 1996-08-17
US5783160A (en) 1998-07-21
EP0723805B1 (de) 2002-01-09
KR100186852B1 (ko) 1999-04-15
CN1072519C (zh) 2001-10-10
CN1139020A (zh) 1997-01-01

Similar Documents

Publication Publication Date Title
DE69618357T2 (de) Verfahren zur Reinigung von Verbrennungsabgasen
DE69427602T2 (de) Verfahren zur Reinigung von Abgasen
DE69518994T2 (de) Verfahren zur Reinigung von Abgasen
DE60012250D1 (de) Verfahren zur Reinigung von Verbrennungsabgasen
DE59500615D1 (de) Verfahren zur Reinigung von Verbrennungsabgasen
DE69318433T2 (de) Verfahren zur Behandlung von Verbrennungsabgasen
DE59510832D1 (de) Verfahren zur katalytischen Reinigung von Abgasen
DE69124172T2 (de) Verfahren zur Reinigung von Edelgas
DE69316058T2 (de) Verfahren zur Reinigung von Abgasen
DE69603337D1 (de) Verfahren zur Zersetzung von halogenenthaltendem Gas
DE69706179T2 (de) Verfahren zur reinigung von schwefelwasserstoff-enthaltenden gasen
DE69929396D1 (de) Verfahren zur Reinigung von hochsauerstoffhaltigen Abgasen
DE69118825T2 (de) Verfahren zur katalytischen Reinigung von Abgasen
DE69829261D1 (de) Verfahren zur Rauchgasbehandlung
DE69816509D1 (de) Verfahren zur Abgasbehandlung
DE59603541D1 (de) Verfahren zur Reinigung von Bisphenol-A
DE69504381T2 (de) Verfahren zur Reinigung von Wasserstoffgas
DE68914803D1 (de) Verfahren zur Reinigung von Abgasen.
DE69226710D1 (de) Verfahren zur Abgasreinigung
DE69502313T2 (de) Verfahren zur biologischen Reinigung von Gasströmen
DE69331301T2 (de) Verfahren zur Reinigung von sauerstoffreichem Abgas
DE69531424D1 (de) Verfahren zur Reinigung von Halosilanen
DE69130119T2 (de) Verfahren zur Entschwefelung von Abgasen
DE69129283D1 (de) Verfahren zur katalytischen Reinigung von Abgasen
DE69832649D1 (de) Verfahren zur Abgasbehandlung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)