DE69210745T2 - Verfahren zur Umwandlung der Schadstoffemissionen von mager betriebenen Verbrennungsmotoren - Google Patents

Verfahren zur Umwandlung der Schadstoffemissionen von mager betriebenen Verbrennungsmotoren

Info

Publication number
DE69210745T2
DE69210745T2 DE69210745T DE69210745T DE69210745T2 DE 69210745 T2 DE69210745 T2 DE 69210745T2 DE 69210745 T DE69210745 T DE 69210745T DE 69210745 T DE69210745 T DE 69210745T DE 69210745 T2 DE69210745 T2 DE 69210745T2
Authority
DE
Germany
Prior art keywords
lean
internal combustion
combustion engines
pollutant emissions
burn internal
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
DE69210745T
Other languages
English (en)
Other versions
DE69210745D1 (de
Inventor
Somasundaram Subramanian
Robert J Kudla
Mohinder S Chattha
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.)
Ford Werke GmbH
Original Assignee
Ford Werke GmbH
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 Ford Werke GmbH filed Critical Ford Werke GmbH
Publication of DE69210745D1 publication Critical patent/DE69210745D1/de
Application granted granted Critical
Publication of DE69210745T2 publication Critical patent/DE69210745T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F01N3/08—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
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/208—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/21—Organic compounds not provided for in groups B01D2251/206 or B01D2251/208
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1023—Palladium
    • 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
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
    • 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)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
DE69210745T 1991-10-07 1992-10-05 Verfahren zur Umwandlung der Schadstoffemissionen von mager betriebenen Verbrennungsmotoren Expired - Fee Related DE69210745T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/772,410 US5208205A (en) 1991-10-07 1991-10-07 Catalyst system for converting emissions of a lean-burn engine

Publications (2)

Publication Number Publication Date
DE69210745D1 DE69210745D1 (de) 1996-06-20
DE69210745T2 true DE69210745T2 (de) 1996-10-02

Family

ID=25094980

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69210745T Expired - Fee Related DE69210745T2 (de) 1991-10-07 1992-10-05 Verfahren zur Umwandlung der Schadstoffemissionen von mager betriebenen Verbrennungsmotoren

Country Status (5)

Country Link
US (2) US5208205A (de)
EP (1) EP0537942B1 (de)
CA (1) CA2079123A1 (de)
DE (1) DE69210745T2 (de)
MX (1) MX9205419A (de)

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KR100201748B1 (ko) * 1990-05-28 1999-06-15 사또 다께오 배기가스로부터 질소산화물을 제거하는 방법
CA2046951A1 (en) * 1990-07-19 1992-01-20 Akinori Eshita Catalyst for purifying exhaust gas and method of using same
US5534237A (en) * 1991-07-23 1996-07-09 Kubushiki Kaisha Riken Method of cleaning an exhaust gas and exhaust gas cleaner therefor
JP3311012B2 (ja) * 1992-03-23 2002-08-05 株式会社豊田中央研究所 排気ガス浄化用触媒および排気ガス浄化方法
US6010673A (en) * 1992-09-21 2000-01-04 Toyota Jidosha Kabushiki Kaisha Method for purifying exhaust gas
EP0605251A1 (de) * 1992-12-28 1994-07-06 Kabushiki Kaisha Riken Abgasreiniger
EP0613714B1 (de) * 1993-01-11 2001-07-04 Toyota Jidosha Kabushiki Kaisha Verfahren zur Reinigung von Abgasen
US6080377A (en) * 1995-04-27 2000-06-27 Engelhard Corporation Method of abating NOx and a catalytic material therefor
US6471924B1 (en) 1995-07-12 2002-10-29 Engelhard Corporation Method and apparatus for NOx abatement in lean gaseous streams
US5792436A (en) * 1996-05-13 1998-08-11 Engelhard Corporation Method for using a regenerable catalyzed trap
US5711147A (en) * 1996-08-19 1998-01-27 The Regents Of The University Of California Plasma-assisted catalytic reduction system
US6038854A (en) * 1996-08-19 2000-03-21 The Regents Of The University Of California Plasma regenerated particulate trap and NOx reduction system
US6038853A (en) * 1996-08-19 2000-03-21 The Regents Of The University Of California Plasma-assisted catalytic storage reduction system
US5891409A (en) * 1996-08-19 1999-04-06 The Regents Of The University Of California Pre-converted nitric oxide gas in catalytic reduction system
DE19704558A1 (de) * 1997-02-06 1998-08-13 Siemens Ag Verfahren und Einrichtung zur katalytischen Abgasreinigung sowie Verbrennungsanlage
US6016052A (en) * 1998-04-03 2000-01-18 Cts Corporation Pulse frequency modulation drive circuit for piezoelectric transformer
FR2784309B1 (fr) * 1998-10-12 2000-11-17 Inst Francais Du Petrole Procede de diminution des emissions d'oxydes d'azote dans un milieu surstoechiometrique en oxydants
US6125629A (en) * 1998-11-13 2000-10-03 Engelhard Corporation Staged reductant injection for improved NOx reduction
US6176078B1 (en) 1998-11-13 2001-01-23 Engelhard Corporation Plasma fuel processing for NOx control of lean burn engines
FR2787037B1 (fr) * 1998-12-09 2002-01-11 Inst Francais Du Petrole Procede et dispositif d'elimination des oxydes d'azote dans une ligne d'echappement de moteur a combustion interne
US6497848B1 (en) 1999-04-02 2002-12-24 Engelhard Corporation Catalytic trap with potassium component and method of using the same
US6314722B1 (en) 1999-10-06 2001-11-13 Matros Technologies, Inc. Method and apparatus for emission control
US6919047B1 (en) 2000-10-10 2005-07-19 Corning Incorporated Reduction of nitrogen oxides in diesel exhaust gases and fuel injection system
DE10065473A1 (de) 2000-12-28 2002-07-04 Basf Ag Verfahren und Konverter zur katalytischen Umwandlung von Kraftstoff
US7374728B2 (en) * 2003-03-06 2008-05-20 Honda Motor Co., Ltd. Exhaust gas purification system
WO2004094045A1 (en) * 2003-04-17 2004-11-04 Johnson Matthey Public Limited Company Method of decomposing nitrogen dioxide
GB0422549D0 (en) * 2004-10-12 2004-11-10 Johnson Matthey Plc Method of decomposing nitrogen dioxide
US7361321B2 (en) * 2005-07-11 2008-04-22 General Electric Company Exhaust stream treatment
US9103248B2 (en) 2006-01-19 2015-08-11 Cummins Inc. Method and system for optimizing fuel and reductant consumption
US7861518B2 (en) * 2006-01-19 2011-01-04 Cummins Inc. System and method for NOx reduction optimization
JP2008168228A (ja) * 2007-01-12 2008-07-24 Okayama Univ 未燃カーボンを用いてディーゼルエンジン排ガス中の窒素酸化物を浄化するための触媒と方法
FR2913453A1 (fr) * 2007-03-08 2008-09-12 Peugeot Citroen Automobiles Sa Ligne d'echappement d'un vehicule de type diesel et vehicule comportant une telle ligne d'echappement
CN102527198B (zh) * 2012-03-08 2014-12-31 昆明理工大学 液相催化氧化-碱液吸收净化含氮氧化物烟气的方法
KR101646108B1 (ko) * 2012-12-10 2016-08-08 현대자동차 주식회사 질소산화물 환원 반응용 담지 촉매, 이의 제조 방법 및 이를 이용한 질소산화물 제거방법
CN106964377B (zh) * 2017-04-05 2020-04-10 滨州学院 一种柴油车尾气脱硝用scr催化剂及其制备方法

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US3896616A (en) * 1972-04-21 1975-07-29 Engelhard Min & Chem Process and apparatus
US4087384A (en) * 1975-11-12 1978-05-02 Davis Robert E Method of catalyst preparation for use in suppressing hydrocarbon and carbon monoxide emission from internal combustion engines
JPS593216B2 (ja) * 1976-06-17 1984-01-23 日産自動車株式会社 排ガス処理用触媒
DE4003515A1 (de) * 1990-02-06 1991-08-08 Bayer Ag Verfahren zur reduktion von in abgasen enthaltenen stickoxiden
US5139994A (en) * 1990-11-28 1992-08-18 Ford Motor Company Low temperature light-off platinum catalyst

Also Published As

Publication number Publication date
DE69210745D1 (de) 1996-06-20
US5788936A (en) 1998-08-04
EP0537942A1 (de) 1993-04-21
CA2079123A1 (en) 1993-04-08
EP0537942B1 (de) 1996-05-15
US5208205A (en) 1993-05-04
MX9205419A (es) 1993-04-01

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FORD-WERKE GMBH, 50735 KOELN, DE

8339 Ceased/non-payment of the annual fee