DE69210745D1 - Verfahren zur Umwandlung der Schadstoffemissionen von mager betriebenen Verbrennungsmotoren - Google Patents
Verfahren zur Umwandlung der Schadstoffemissionen von mager betriebenen VerbrennungsmotorenInfo
- Publication number
- DE69210745D1 DE69210745D1 DE69210745T DE69210745T DE69210745D1 DE 69210745 D1 DE69210745 D1 DE 69210745D1 DE 69210745 T DE69210745 T DE 69210745T DE 69210745 T DE69210745 T DE 69210745T DE 69210745 D1 DE69210745 D1 DE 69210745D1
- 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
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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
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 true DE69210745D1 (de) | 1996-06-20 |
DE69210745T2 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) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE69427602T2 (de) * | 1993-01-11 | 2001-11-22 | Toyota Chuo Kenkyusho Aichi Kk | 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 |
US6038853A (en) | 1996-08-19 | 2000-03-21 | The Regents Of The University Of California | Plasma-assisted catalytic storage 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 |
US5711147A (en) * | 1996-08-19 | 1998-01-27 | The Regents Of The University Of California | Plasma-assisted catalytic 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 |
US6176078B1 (en) | 1998-11-13 | 2001-01-23 | Engelhard Corporation | Plasma fuel processing for NOx control of lean burn engines |
US6125629A (en) * | 1998-11-13 | 2000-10-03 | Engelhard Corporation | Staged reductant injection for improved NOx reduction |
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 |
PL1613417T3 (pl) * | 2003-04-17 | 2009-12-31 | Johnson Matthey Plc | Sposób rozkładu ditlenku azotu |
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 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
1991
- 1991-10-07 US US07/772,410 patent/US5208205A/en not_active Expired - Fee Related
-
1992
- 1992-07-23 US US07/917,261 patent/US5788936A/en not_active Expired - Fee Related
- 1992-09-23 MX MX9205419A patent/MX9205419A/es unknown
- 1992-09-25 CA CA002079123A patent/CA2079123A1/en not_active Abandoned
- 1992-10-05 EP EP92309144A patent/EP0537942B1/de not_active Expired - Lifetime
- 1992-10-05 DE DE69210745T patent/DE69210745T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
MX9205419A (es) | 1993-04-01 |
EP0537942B1 (de) | 1996-05-15 |
EP0537942A1 (de) | 1993-04-21 |
CA2079123A1 (en) | 1993-04-08 |
US5788936A (en) | 1998-08-04 |
US5208205A (en) | 1993-05-04 |
DE69210745T2 (de) | 1996-10-02 |
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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 |