DE69819249D1 - Katalysator zur Reinigung von Abgas und Verfahren für seine Herstellung - Google Patents
Katalysator zur Reinigung von Abgas und Verfahren für seine HerstellungInfo
- Publication number
- DE69819249D1 DE69819249D1 DE69819249T DE69819249T DE69819249D1 DE 69819249 D1 DE69819249 D1 DE 69819249D1 DE 69819249 T DE69819249 T DE 69819249T DE 69819249 T DE69819249 T DE 69819249T DE 69819249 D1 DE69819249 D1 DE 69819249D1
- Authority
- DE
- Germany
- Prior art keywords
- manufacture
- exhaust gas
- gas purification
- purification catalyst
- catalyst
- 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
- 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
- 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
- B01J37/0248—Coatings comprising impregnated particles
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22755797 | 1997-08-08 | ||
JP22755797A JP4164884B2 (ja) | 1997-08-08 | 1997-08-08 | 排気ガス浄化用触媒 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69819249D1 true DE69819249D1 (de) | 2003-12-04 |
DE69819249T2 DE69819249T2 (de) | 2004-08-26 |
Family
ID=16862780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69819249T Expired - Lifetime DE69819249T2 (de) | 1997-08-08 | 1998-08-06 | Katalysator zur Reinigung von Abgas und Verfahren für seine Herstellung |
Country Status (4)
Country | Link |
---|---|
US (1) | US6077808A (de) |
EP (1) | EP0895810B1 (de) |
JP (1) | JP4164884B2 (de) |
DE (1) | DE69819249T2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5200315B2 (ja) * | 2004-12-22 | 2013-06-05 | 日産自動車株式会社 | 排気ガス浄化触媒、及び排気ガス浄化触媒の製造方法 |
US8895667B2 (en) | 2009-07-17 | 2014-11-25 | Tyco Electronics Corporation | Methods of making reversible crosslinked polymers and related methods |
KR101459436B1 (ko) | 2012-12-17 | 2014-11-07 | 현대자동차 주식회사 | 내연 기관용 가스 정화 촉매 |
CN112916000B (zh) * | 2021-01-15 | 2021-09-28 | 兰州大学 | 一种可用于还原氮气产氨的光催化材料及其制备方法和应用 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4206087A (en) * | 1977-01-06 | 1980-06-03 | Engelhard Minerals & Chemicals Corporation | Catalyst for reducing pollutants in waste gas streams and process for preparing the catalyst |
JPS60110335A (ja) * | 1983-11-21 | 1985-06-15 | Nissan Motor Co Ltd | 排ガス浄化用触媒 |
JPS60215253A (ja) * | 1984-04-11 | 1985-10-28 | Nec Corp | 情報処理装置 |
US4714694A (en) * | 1986-06-30 | 1987-12-22 | Engelhard Corporation | Aluminum-stabilized ceria catalyst compositions, and methods of making the same |
US4904633A (en) * | 1986-12-18 | 1990-02-27 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Catalyst for purifying exhaust gas and method for production thereof |
US4839146A (en) * | 1987-04-15 | 1989-06-13 | General Motors Corporation | Catalyst for simultaneous NO decomposition and CO oxidation under cycled operating conditions |
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 |
US4782038C1 (en) * | 1987-10-26 | 2001-04-17 | Ford Motor Co | Platinum group alumina-supported metal oxidation catalysts and method of making same |
JP2730750B2 (ja) * | 1989-02-16 | 1998-03-25 | マツダ株式会社 | 排気ガス浄化用触媒およびその製造方法 |
US5057483A (en) * | 1990-02-22 | 1991-10-15 | Engelhard Corporation | Catalyst composition containing segregated platinum and rhodium components |
EP0614398B1 (de) * | 1991-11-26 | 2000-03-08 | Engelhard Corporation | Oxidationskatalysator und verfahren zur anwendung |
JP3574655B2 (ja) * | 1991-11-26 | 2004-10-06 | エンゲルハード・コーポレーシヨン | 改良されたセリア−アルミナ酸化触媒および使用方法 |
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 |
JP3375358B2 (ja) * | 1993-01-29 | 2003-02-10 | マツダ株式会社 | 排気ガス浄化用触媒 |
KR100431476B1 (ko) * | 1993-06-25 | 2004-08-25 | 엥겔하드 코포레이션 | 적층된촉매복합체 |
-
1997
- 1997-08-08 JP JP22755797A patent/JP4164884B2/ja not_active Expired - Fee Related
-
1998
- 1998-08-06 EP EP98114816A patent/EP0895810B1/de not_active Expired - Lifetime
- 1998-08-06 DE DE69819249T patent/DE69819249T2/de not_active Expired - Lifetime
- 1998-08-07 US US09/130,456 patent/US6077808A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0895810B1 (de) | 2003-10-29 |
US6077808A (en) | 2000-06-20 |
JP4164884B2 (ja) | 2008-10-15 |
DE69819249T2 (de) | 2004-08-26 |
EP0895810A1 (de) | 1999-02-10 |
JPH1157472A (ja) | 1999-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) |