DE69427602T2 - Verfahren zur Reinigung von Abgasen - Google Patents
Verfahren zur Reinigung von AbgasenInfo
- Publication number
- DE69427602T2 DE69427602T2 DE69427602T DE69427602T DE69427602T2 DE 69427602 T2 DE69427602 T2 DE 69427602T2 DE 69427602 T DE69427602 T DE 69427602T DE 69427602 T DE69427602 T DE 69427602T DE 69427602 T2 DE69427602 T2 DE 69427602T2
- Authority
- DE
- Germany
- Prior art keywords
- exhaust gas
- gas purification
- purification process
- exhaust
- purification
- 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
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
- 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
- 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
- B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
-
- 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
- B01J23/58—Platinum group metals with alkali- or alkaline earth metals
-
- 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
- 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
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/652—Chromium, molybdenum or tungsten
- B01J23/6522—Chromium
-
- 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
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/656—Manganese, technetium or rhenium
- B01J23/6562—Manganese
-
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/894—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0242—Coating followed by impregnation
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- 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
- B01D2255/1021—Platinum
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- 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
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/202—Alkali metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
- B01D2255/2042—Barium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2063—Lanthanum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2065—Cerium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/2073—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20746—Cobalt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20753—Nickel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/91—NOx-storage component incorporated in the catalyst
-
- 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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP249193 | 1993-01-11 | ||
JP20666493A JP3488487B2 (ja) | 1993-08-20 | 1993-08-20 | 排気ガス浄化方法 |
JP23846193A JP3320855B2 (ja) | 1993-01-11 | 1993-09-24 | 排気ガス浄化方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69427602D1 DE69427602D1 (de) | 2001-08-09 |
DE69427602T2 true DE69427602T2 (de) | 2001-11-22 |
Family
ID=27275378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69427602T Expired - Lifetime DE69427602T2 (de) | 1993-01-11 | 1994-01-10 | Verfahren zur Reinigung von Abgasen |
Country Status (3)
Country | Link |
---|---|
US (1) | US5911960A (de) |
EP (1) | EP0613714B1 (de) |
DE (1) | DE69427602T2 (de) |
Families Citing this family (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4098835B2 (ja) * | 1993-12-07 | 2008-06-11 | トヨタ自動車株式会社 | 排気ガス浄化用触媒 |
US5451558A (en) * | 1994-02-04 | 1995-09-19 | Goal Line Environmental Technologies | Process for the reaction and absorption of gaseous air pollutants, apparatus therefor and method of making the same |
JP3363564B2 (ja) * | 1994-02-04 | 2003-01-08 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
US6004521A (en) * | 1994-02-23 | 1999-12-21 | Toyota Jidosha Kabushiki Kaisha | Catalyst for purifying exhaust gases |
JP3391878B2 (ja) * | 1994-02-23 | 2003-03-31 | トヨタ自動車株式会社 | 排気ガス浄化用触媒 |
US6245307B1 (en) * | 1994-06-17 | 2001-06-12 | Ict Co., Ltd. | Catalyst for purifying exhaust gas from lean burn engine and method for purification |
US6497851B1 (en) * | 1994-12-06 | 2002-12-24 | Englehard Corporation | Engine exhaust treatment apparatus and method of use |
US6044644A (en) * | 1994-12-06 | 2000-04-04 | Engelhard Corporation | Close coupled catalyst |
JP3664182B2 (ja) * | 1994-12-19 | 2005-06-22 | トヨタ自動車株式会社 | 高耐熱性排ガス浄化用触媒とその製造方法 |
JP3374569B2 (ja) * | 1995-01-10 | 2003-02-04 | 株式会社日立製作所 | 排ガス浄化触媒および浄化方法 |
FR2730175B1 (fr) * | 1995-02-03 | 1997-04-04 | Inst Francais Du Petrole | Catalyseurs de reduction des oxydes d'azote en azote moleculaire dans un milieu surstoechiometrique en composes oxydants, procede de preparation et utilisations |
US6080377A (en) * | 1995-04-27 | 2000-06-27 | Engelhard Corporation | Method of abating NOx and a catalytic material therefor |
JP3227074B2 (ja) * | 1995-05-01 | 2001-11-12 | 株式会社日立製作所 | リーンバーンとストイキ対応内燃機関の排気ガス浄化用触媒及び排気ガス浄化方法 |
US6471924B1 (en) | 1995-07-12 | 2002-10-29 | Engelhard Corporation | Method and apparatus for NOx abatement in lean gaseous streams |
JPH0929093A (ja) * | 1995-07-21 | 1997-02-04 | Toyota Central Res & Dev Lab Inc | 排ガス浄化用触媒及びその製造方法 |
DE69635641T2 (de) * | 1995-09-11 | 2006-09-14 | Toyota Jidosha K.K., Toyota | Verfahren zum Reinigen von Verbrennungsmotorabgas |
US5837212A (en) * | 1995-09-21 | 1998-11-17 | Ford Global Technologies, Inc. | Potassium/manganese nitrogen oxide traps for lean-burn engine operation |
US5750082A (en) * | 1995-09-21 | 1998-05-12 | Ford Global Technologies, Inc. | Nox trap with improved performance |
JP3861303B2 (ja) * | 1995-10-31 | 2006-12-20 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
JP3381489B2 (ja) * | 1995-11-08 | 2003-02-24 | トヨタ自動車株式会社 | ディーゼル機関の排気ガス浄化触媒及び浄化装置 |
JP3494331B2 (ja) * | 1996-02-02 | 2004-02-09 | トヨタ自動車株式会社 | 排ガス浄化用触媒及びその製造方法 |
JPH09276703A (ja) * | 1996-04-19 | 1997-10-28 | Honda Motor Co Ltd | 排気ガス浄化用触媒 |
US5792436A (en) * | 1996-05-13 | 1998-08-11 | Engelhard Corporation | Method for using a regenerable catalyzed trap |
US5758489A (en) * | 1996-06-13 | 1998-06-02 | Ford Global Technologies, Inc. | Sulfur tolerant Pt/lithium NOx traps |
JP3289879B2 (ja) * | 1996-07-04 | 2002-06-10 | トヨタ自動車株式会社 | ディーゼルエンジン用排ガス浄化装置 |
DE69728341T2 (de) * | 1996-10-07 | 2004-12-30 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Verbundoxid, Verbundoxidträger und Katalysator |
US5939037A (en) * | 1997-02-07 | 1999-08-17 | Ford Global Technologies, Inc. | Sulfur tolerant NOx traps highly loaded with sodium or potassium |
US5922295A (en) * | 1997-03-10 | 1999-07-13 | Ford Global Technologies, Inc. | Sulfur-resistant NOx traps containing tungstophosphoric acid and precious metal |
JPH11285624A (ja) * | 1997-12-18 | 1999-10-19 | Ford Global Technol Inc | 自動車の排出物削減のための白金/アルミナ・窒素酸化物ト ラップの使用 |
DE19813654A1 (de) * | 1998-03-27 | 1999-09-30 | Degussa | Verfahren zum Betreiben einer Abgasreinigungsanlage enthaltend eine Schwefelfalle und einen Stickoxid-Speicherkatalysator |
US6129898A (en) * | 1998-08-17 | 2000-10-10 | Ford Global Technologies, Inc. | NOx trap catalyst for lean burn engines |
DE19847008A1 (de) * | 1998-10-13 | 2000-04-20 | Degussa | Stickoxid-Speicherkatalysator |
JP4012320B2 (ja) * | 1998-10-15 | 2007-11-21 | 株式会社アイシーティー | 希薄燃焼エンジン用排気ガス浄化用触媒 |
JP2000176298A (ja) * | 1998-12-11 | 2000-06-27 | Mazda Motor Corp | 排気ガス浄化用触媒及びその製造方法 |
JP3952617B2 (ja) | 1998-12-11 | 2007-08-01 | 株式会社日立製作所 | 内燃機関の排ガス浄化装置,排ガス浄化方法及び排ガス浄化触媒 |
US6143272A (en) | 1998-12-18 | 2000-11-07 | Ford Global Technologies, Inc. | Sol-gel processed metal-zirconia materials |
US6139813A (en) * | 1998-12-18 | 2000-10-31 | Ford Global Technologies, Inc. | NOx trapping by metal-zirconia materials during lean-burn automotive engine operation |
US6165932A (en) * | 1999-01-11 | 2000-12-26 | Ford Global Technologies, Inc. | Transition metal oxides useful in fabrication of NOx absorbent formulations |
US6182443B1 (en) * | 1999-02-09 | 2001-02-06 | Ford Global Technologies, Inc. | Method for converting exhaust gases from a diesel engine using nitrogen oxide absorbent |
FR2793164B1 (fr) * | 1999-05-07 | 2001-08-10 | Ecia Equip Composants Ind Auto | Composition d'epuration des gaz d'echappement d'un moteur a combustion interne |
FR2793163B1 (fr) * | 1999-05-07 | 2001-08-10 | Ecia Equip Composants Ind Auto | Composition d'epuration avec traitement des nox des gaz d'echappement d'un moteur a combustion interne |
WO2001029387A1 (fr) | 1999-10-21 | 2001-04-26 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Systeme de regulation de gaz d'echappement et procede destine a des moteurs a combustion interne |
JP2001232195A (ja) * | 1999-12-17 | 2001-08-28 | Ngk Insulators Ltd | 触媒体 |
EP1201302B1 (de) | 2000-02-22 | 2007-08-08 | Mazda Motor Corporation | Katalysator zur abgasreinigung und verfahren zu seiner herstellung |
JP4590733B2 (ja) * | 2000-02-22 | 2010-12-01 | マツダ株式会社 | 排気ガス浄化用触媒及び該触媒による排気ガス浄化方法 |
US6296822B1 (en) | 2000-03-29 | 2001-10-02 | Ford Global Technologies, Inc | Process for manufacturing nox traps with improved sulfur tolerance |
FI118326B (fi) * | 2000-04-10 | 2007-10-15 | Ecocat Oy | Adsorbenttikatalyytti |
EP1166853A1 (de) * | 2000-06-22 | 2002-01-02 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Katalysator zur Abgasreinigung |
DE60122243T2 (de) * | 2000-06-28 | 2007-06-28 | Ict Co. Ltd. | Abgasreinigungskatalysator |
JP2002079106A (ja) * | 2000-06-29 | 2002-03-19 | Mazda Motor Corp | 排気ガス浄化用触媒、及び排気ガス浄化装置 |
EP1174173B1 (de) * | 2000-07-17 | 2013-03-20 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Abgasreinigungskatalysator |
EP1250952A1 (de) * | 2001-04-18 | 2002-10-23 | OMG AG & Co. KG | Katalysator sowie Filter und Verfahren zur Beseitigung von Russpartikeln aus dem Abgas eines Dieselmotors |
US6764672B2 (en) | 2001-04-03 | 2004-07-20 | Alcoa Inc. | Thermally stable alumina particulates |
JP4645786B2 (ja) * | 2001-06-08 | 2011-03-09 | 三菱自動車工業株式会社 | 排ガス浄化用触媒 |
JP3758601B2 (ja) * | 2002-05-15 | 2006-03-22 | トヨタ自動車株式会社 | 吸蔵還元型NOx浄化用触媒 |
WO2004025096A1 (en) | 2002-09-13 | 2004-03-25 | Johnson Matthey Public Limited Company | Process for treating compression ignition engine exhaust gas |
RU2003104602A (ru) * | 2003-02-18 | 2004-08-27 | Александр Юрьевич Логинов (RU) | Катализатор для очистки выхлопных газов двигателей |
EP1990081A3 (de) * | 2007-05-07 | 2008-12-10 | Ford Global Technologies, LLC. | LNT Katalysator und Verfahren zur Herstellung eines solchen Katalysators |
US8530372B2 (en) * | 2009-07-22 | 2013-09-10 | Basf Corporation | Oxygen storage catalyst with decreased ceria reduction temperature |
GB2554859A (en) * | 2016-10-04 | 2018-04-18 | Johnson Matthey Plc | NOx adsorber catalyst |
GB201616812D0 (en) | 2016-10-04 | 2016-11-16 | Johnson Matthey Public Limited Company | NOx adsorber catalyst |
Family Cites Families (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5322557B2 (de) * | 1973-04-13 | 1978-07-10 | ||
FR2279463A1 (fr) * | 1974-04-25 | 1976-02-20 | Du Pont | Compositions catalytiques d'oxydes de metaux |
GB1488556A (en) * | 1974-07-27 | 1977-10-12 | Bayer Ag | Process for removing organic compounds from gases |
JPS5319986A (en) * | 1976-08-08 | 1978-02-23 | Nippon Soken | Exhaust gas scrubbing catalysts |
DE2907106C2 (de) * | 1979-02-23 | 1985-12-19 | Degussa Ag, 6000 Frankfurt | Abgaskatalysator und seine Verwendung zur Reinigung der Abgase von Verbrennungskraftmaschinen |
JPS56102940A (en) * | 1980-01-18 | 1981-08-17 | Toyota Motor Corp | Catalyst for cleaning exhaust gas |
JPS5787839A (en) * | 1980-11-20 | 1982-06-01 | Toyota Motor Corp | Catalyst of monolithic construction type for purification of waste gas |
US4497783A (en) * | 1981-08-17 | 1985-02-05 | American Cyanamid Company | Exhaust emission catalyst |
US4480050A (en) * | 1982-08-02 | 1984-10-30 | Uop Inc. | Exhaust gas oxidation catalyst |
US4654319A (en) * | 1983-01-26 | 1987-03-31 | W. R. Grace & Co. | Doubly promoted platinum group metal catalysts for emission control and method for making the catalysts |
US4591580A (en) * | 1983-01-26 | 1986-05-27 | W. R. Grace & Co. | Stabilized and doubly promoted platinum group metal catalysts for emission control and method of making same |
JPS60182325A (ja) * | 1984-02-28 | 1985-09-17 | Toyota Motor Corp | 内燃機関のΝOx低減方法 |
US4755499A (en) * | 1984-10-12 | 1988-07-05 | Noxso Corporation | Sorbent for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams |
JPS6297630A (ja) * | 1985-10-24 | 1987-05-07 | Nippon Shokubai Kagaku Kogyo Co Ltd | 窒素酸化物含有ガスから窒素酸化物を除去する方法 |
JPS62106826A (ja) * | 1985-11-06 | 1987-05-18 | Nippon Shokubai Kagaku Kogyo Co Ltd | デイ−ゼル排ガス中の窒素酸化物を除去する方法 |
US4751005A (en) * | 1986-08-22 | 1988-06-14 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Method for treatment of waste water |
JPS6377543A (ja) * | 1986-09-17 | 1988-04-07 | Toyota Motor Corp | 排気ガス浄化用触媒 |
US4904633A (en) * | 1986-12-18 | 1990-02-27 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Catalyst for purifying exhaust gas and method for production thereof |
JPH0675676B2 (ja) * | 1986-12-24 | 1994-09-28 | トヨタ自動車株式会社 | 排気ガス浄化用触媒 |
US4760044A (en) * | 1987-06-15 | 1988-07-26 | Allied-Signal Inc. | Catalyst for minimizing the H2 S emissions from automotive exhaust and method of its manufacture |
US4780447A (en) * | 1987-07-10 | 1988-10-25 | W. R. Grace & Co.-Conn. | Catalysts for controlling auto exhaust emissions including hydrocarbon, carbon monoxide, nitrogen oxides and hydrogen sulfide and method of making the catalysts |
US4868148A (en) * | 1987-08-24 | 1989-09-19 | Allied-Signal Inc. | Layered automotive catalytic composite |
DE3803122C1 (de) * | 1988-02-03 | 1989-07-13 | Degussa Ag, 6000 Frankfurt, De | |
DE3830318A1 (de) * | 1988-09-07 | 1990-03-15 | Degussa | Abgaskatalysator mit verminderter neigung zu speicherung von schwefeloxiden und schwefelwasserstoffemission |
DE3902913A1 (de) * | 1989-02-01 | 1990-08-09 | Degussa | Traegermaterial fuer platingruppenmetall-haltige dreiweg-katalysatoren mit verringerter neigung zur h(pfeil abwaerts)2(pfeil abwaerts)s-emission |
US4977129A (en) * | 1989-03-13 | 1990-12-11 | W. R Grace & Co.-Conn. | Auto exhaust catalyst composition having low H2 S emissions and method of making the catalyst |
DE4008371A1 (de) * | 1989-03-15 | 1990-09-20 | Riken Kk | Abgasreiniger und verfahren zum reinigen von abgasen |
JP3285857B2 (ja) * | 1989-07-06 | 2002-05-27 | マツダ株式会社 | 排気ガス浄化用触媒 |
US5041407A (en) * | 1989-12-14 | 1991-08-20 | Allied-Signal Inc. | High-temperature three-way catalyst for treating automotive exhaust gases |
EP0439010B1 (de) * | 1990-01-12 | 1997-09-24 | Ngk Spark Plug Co., Ltd | Behandlung von Abgasen, die Silikon- und/oder Phosphorverbindungen enthalten |
DE4003939A1 (de) * | 1990-02-09 | 1991-08-14 | Degussa | Katalysator fuer die reinigung der abgase von brennkraftmaschinen |
GB9020568D0 (en) * | 1990-09-20 | 1990-10-31 | Rover Group | Supported palladium catalysts |
GB2248194B (en) * | 1990-09-25 | 1994-11-09 | Riken Kk | Catalyst for cleaning exhaust gas |
JP2771321B2 (ja) * | 1990-11-09 | 1998-07-02 | 日本碍子株式会社 | 排気ガス浄化用触媒組成物、排気ガス浄化用触媒及びその製造方法 |
JP2773428B2 (ja) * | 1990-11-28 | 1998-07-09 | トヨタ自動車株式会社 | 排気ガス浄化方法 |
AU645632B2 (en) * | 1990-12-06 | 1994-01-20 | Tosoh Corporation | Catalyst for purifying exhaust gas |
JP2821033B2 (ja) * | 1991-01-07 | 1998-11-05 | 株式会社日本触媒 | ディーゼルエンジン排ガス浄化用触媒 |
JP3226558B2 (ja) * | 1991-03-12 | 2001-11-05 | 日石三菱株式会社 | 炭化水素の高温水蒸気改質用触媒 |
CA2064977C (en) * | 1991-04-05 | 1998-09-22 | Eiichi Shiraishi | Catalyst for purifying exhaust gas |
US5271916A (en) * | 1991-07-08 | 1993-12-21 | General Motors Corporation | Device for staged carbon monoxide oxidation |
DE69206707T2 (de) * | 1991-07-29 | 1996-05-09 | Daihatsu Motor Co Ltd | Katalysator zur Reinigung von Abgasen und Verfahren zu seiner Herstellung |
US5380692A (en) * | 1991-09-12 | 1995-01-10 | Sakai Chemical Industry Co., Ltd. | Catalyst for catalytic reduction of nitrogen oxide |
US5208205A (en) * | 1991-10-07 | 1993-05-04 | Ford Motor Company | Catalyst system for converting emissions of a lean-burn engine |
JP2783074B2 (ja) * | 1991-10-29 | 1998-08-06 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US5185305A (en) * | 1991-11-08 | 1993-02-09 | Ford Motor Company | Catalyst system for treating the exhaust from a lean-burn gasoline-fueled engine |
JPH05168860A (ja) * | 1991-12-26 | 1993-07-02 | Toyota Motor Corp | 排気ガス浄化方法 |
DE69218183T2 (de) * | 1991-12-27 | 1997-07-31 | Toyoda Chuo Kenkyusho Kk | Vorrichtung zur emissionsregelung in einem verbrennungsmotor |
JP2979809B2 (ja) * | 1992-01-10 | 1999-11-15 | 日産自動車株式会社 | 排ガス浄化用触媒及びその製造方法 |
DE4244712C2 (de) * | 1992-02-14 | 1996-09-05 | Degussa | Beschichtungsdispersion zur Herstellung von kalysefördernden Überzügen auf einem inerten, strukturverstärkenden Körper |
JP3328318B2 (ja) * | 1992-05-22 | 2002-09-24 | トヨタ自動車株式会社 | 排気ガスの浄化方法 |
JP2605586B2 (ja) * | 1992-07-24 | 1997-04-30 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JPH06304476A (ja) * | 1993-04-21 | 1994-11-01 | Mitsubishi Heavy Ind Ltd | 酸化触媒 |
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 |
-
1994
- 1994-01-10 DE DE69427602T patent/DE69427602T2/de not_active Expired - Lifetime
- 1994-01-10 EP EP94100256A patent/EP0613714B1/de not_active Expired - Lifetime
-
1995
- 1995-10-17 US US08/544,260 patent/US5911960A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5911960A (en) | 1999-06-15 |
EP0613714A2 (de) | 1994-09-07 |
EP0613714B1 (de) | 2001-07-04 |
DE69427602D1 (de) | 2001-08-09 |
EP0613714A3 (en) | 1994-10-05 |
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