DE69208206D1 - Katalysatorsystem zur Behandlung von Abgasen aus Brennkraftmaschinen mit Verbrennung eines armen Gemisches - Google Patents
Katalysatorsystem zur Behandlung von Abgasen aus Brennkraftmaschinen mit Verbrennung eines armen GemischesInfo
- Publication number
- DE69208206D1 DE69208206D1 DE69208206T DE69208206T DE69208206D1 DE 69208206 D1 DE69208206 D1 DE 69208206D1 DE 69208206 T DE69208206 T DE 69208206T DE 69208206 T DE69208206 T DE 69208206T DE 69208206 D1 DE69208206 D1 DE 69208206D1
- Authority
- DE
- Germany
- Prior art keywords
- treatment
- exhaust gases
- catalyst system
- internal combustion
- poor mixture
- 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
- 238000002485 combustion reaction Methods 0.000 title 2
- 239000003054 catalyst Substances 0.000 title 1
- 239000007789 gas Substances 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
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
- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/19—Catalysts containing parts with different compositions
-
- 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)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/789,706 US5185305A (en) | 1991-11-08 | 1991-11-08 | Catalyst system for treating the exhaust from a lean-burn gasoline-fueled engine |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69208206D1 true DE69208206D1 (de) | 1996-03-21 |
DE69208206T2 DE69208206T2 (de) | 1996-06-27 |
Family
ID=25148448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69208206T Expired - Fee Related DE69208206T2 (de) | 1991-11-08 | 1992-10-22 | Katalysatorsystem zur Behandlung von Abgasen aus Brennkraftmaschinen mit Verbrennung eines armen Gemisches |
Country Status (5)
Country | Link |
---|---|
US (1) | US5185305A (de) |
EP (1) | EP0541271B1 (de) |
CA (1) | CA2081963A1 (de) |
DE (1) | DE69208206T2 (de) |
MX (1) | MX9205421A (de) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2046951A1 (en) * | 1990-07-19 | 1992-01-20 | Akinori Eshita | Catalyst for purifying exhaust gas and method of using same |
FR2670400B1 (fr) * | 1990-12-13 | 1993-04-02 | Inst Francais Du Petrole | Procede de preparation de catalyseurs multimetalliques. |
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 |
EP0593898B1 (de) * | 1992-10-20 | 1997-01-29 | Corning Incorporated | Verfahren zur Konvertierung von Abgasen und Vorrichtung mit thermisch stabilen Zeolithen |
DE69427602T2 (de) * | 1993-01-11 | 2001-11-22 | Toyota Chuo Kenkyusho Aichi Kk | Verfahren zur Reinigung von Abgasen |
GB9315679D0 (en) * | 1993-07-29 | 1993-09-15 | Rover Group | Base metal catalyst,catalytic support and two-stage process for the purification of vehicle exhaust gases |
DE4326121C2 (de) * | 1993-08-04 | 1995-05-04 | Degussa | Verfahren zum Schutz von Katalysatoren für die Reinigung der Abgase von Verbrennungskraftmaschinen vor Katalysatorgiften |
JP3291086B2 (ja) * | 1993-09-24 | 2002-06-10 | トヨタ自動車株式会社 | 排ガス浄化用触媒及び排ガス浄化方法 |
FI94318C (fi) * | 1993-10-08 | 1995-08-25 | Kemira Oy | Katalyytti dieselmoottorin pakokaasujen puhdistamiseksi |
JP3409894B2 (ja) * | 1993-11-17 | 2003-05-26 | トヨタ自動車株式会社 | 排ガス浄化用触媒及び排ガス浄化方法 |
US5587137A (en) * | 1994-01-18 | 1996-12-24 | Corning Incorporated | Exhaust gas conversion method using thermally stable zeolites |
US5925590A (en) * | 1994-05-25 | 1999-07-20 | Eltron Research, Inc. | Catalysts utilizing oxygen-deficient metal oxide compound for removal of exhaust gas constituents |
DE69505902T2 (de) * | 1994-07-05 | 1999-04-01 | Ford Werke Ag | Katalysator System |
US6187709B1 (en) * | 1995-10-30 | 2001-02-13 | Ford Global Technologies, Inc. | Palladium catalyst pre-oxidation to reduce light-off temperature |
US5727385A (en) * | 1995-12-08 | 1998-03-17 | Ford Global Technologies, Inc. | Lean-burn nox catalyst/nox trap system |
DE19721440A1 (de) * | 1997-05-21 | 1998-11-26 | Degussa | Verfahren zur Reinigung eines mageren Abgases und Katalysatorsystem hierfür |
DE60038075T2 (de) * | 1999-07-02 | 2009-02-19 | Nissan Motor Co., Ltd., Yokohama-shi | Abgasreinigungssystem |
CN1171676C (zh) | 1999-12-28 | 2004-10-20 | 康宁股份有限公司 | 沸石/氧化铝催化剂载体组合物及其制备方法 |
WO2001049409A1 (en) | 1999-12-29 | 2001-07-12 | Corning Incorporated | High strength and high surface area catalyst, catalyst support or adsorber compositions |
EP1174173B1 (de) * | 2000-07-17 | 2013-03-20 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Abgasreinigungskatalysator |
GB2376903A (en) * | 2001-04-05 | 2002-12-31 | Johnson Matthey Plc | Nitrogen oxides emission control under lean-burn conditions |
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 |
EP1961933B1 (de) * | 2007-02-23 | 2010-04-14 | Umicore AG & Co. KG | Katalytisch aktiviertes Dieselpartikelfilter mit Ammoniak-Sperrwirkung |
US8716165B2 (en) * | 2008-04-30 | 2014-05-06 | Corning Incorporated | Catalysts on substrates and methods for providing the same |
US20090324468A1 (en) * | 2008-06-27 | 2009-12-31 | Golden Stephen J | Zero platinum group metal catalysts |
DE102009060290A1 (de) * | 2009-12-23 | 2011-06-30 | Volkswagen AG, 38440 | Abgasreinigung bei Ottomotoren mit Direkteinspritzung unter Verwendung von Adsorbern mit Partikelabscheidefunktion |
US8293182B2 (en) * | 2010-05-05 | 2012-10-23 | Basf Corporation | Integrated SCR and AMOx catalyst systems |
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 |
DE102012006449A1 (de) * | 2012-03-30 | 2013-10-02 | Man Truck & Bus Ag | Verfahren zur Anwendung in Verbindung mit einer Abgasnachbehandlungsanlage |
US9511355B2 (en) | 2013-11-26 | 2016-12-06 | Clean Diesel Technologies, Inc. (Cdti) | System and methods for using synergized PGM as a three-way catalyst |
US20140274662A1 (en) | 2013-03-15 | 2014-09-18 | Cdti | Systems and Methods for Variations of ZPGM Oxidation Catalysts Compositions |
US9511350B2 (en) | 2013-05-10 | 2016-12-06 | Clean Diesel Technologies, Inc. (Cdti) | ZPGM Diesel Oxidation Catalysts and methods of making and using same |
US9545626B2 (en) | 2013-07-12 | 2017-01-17 | Clean Diesel Technologies, Inc. | Optimization of Zero-PGM washcoat and overcoat loadings on metallic substrate |
US9511358B2 (en) | 2013-11-26 | 2016-12-06 | Clean Diesel Technologies, Inc. | Spinel compositions and applications thereof |
US9512735B2 (en) | 2014-10-24 | 2016-12-06 | United Technologies Corporation | Sliding seal |
KR102085652B1 (ko) * | 2017-12-29 | 2020-03-06 | 현대자동차 주식회사 | 규칙적인 메조 기공을 가진 제오라이트 입자에 금속이 함침된 탄화수소 흡착제 및 그 제조방법 |
CN111001434B (zh) * | 2018-10-08 | 2021-03-16 | 中自环保科技股份有限公司 | 一种当量燃烧天然气车集成催化剂体系及其制备方法 |
CN112805089A (zh) * | 2018-12-13 | 2021-05-14 | 庄信万丰股份有限公司 | 用于改善osc和twc性能的过渡金属掺杂的氧化铝 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4331644A (en) * | 1977-12-27 | 1982-05-25 | Union Carbide Corporation | Combustion catalyst and process for using same |
US4791091A (en) * | 1987-09-30 | 1988-12-13 | Allied-Signal Inc. | Catalyst for treatment of exhaust gases from internal combustion engines and method of manufacturing the catalyst |
JPH01159029A (ja) * | 1987-12-16 | 1989-06-22 | Toyota Motor Corp | ディーゼルエンジンの排気浄化装置 |
JP2701433B2 (ja) * | 1989-03-07 | 1998-01-21 | トヨタ自動車株式会社 | 排気浄化触媒 |
JPH0338250A (ja) * | 1989-07-06 | 1991-02-19 | Mazda Motor Corp | 排気ガス浄化用触媒 |
US5021389A (en) * | 1989-11-22 | 1991-06-04 | Ford Motor Company | Three-way catalyst for automotive emission control and method of making the catalyst |
JP2712758B2 (ja) * | 1990-05-28 | 1998-02-16 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US5051244A (en) * | 1990-07-20 | 1991-09-24 | Uop | Use of a molecular sieve bed to minimize emissions during cold start of internal combustion engines |
-
1991
- 1991-11-08 US US07/789,706 patent/US5185305A/en not_active Expired - Fee Related
-
1992
- 1992-09-23 MX MX9205421A patent/MX9205421A/es unknown
- 1992-10-22 EP EP92309657A patent/EP0541271B1/de not_active Expired - Lifetime
- 1992-10-22 DE DE69208206T patent/DE69208206T2/de not_active Expired - Fee Related
- 1992-11-02 CA CA002081963A patent/CA2081963A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
MX9205421A (es) | 1993-05-01 |
CA2081963A1 (en) | 1993-05-09 |
DE69208206T2 (de) | 1996-06-27 |
EP0541271A1 (de) | 1993-05-12 |
US5185305A (en) | 1993-02-09 |
EP0541271B1 (de) | 1996-02-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |