DE3806960C2 - - Google Patents
Info
- Publication number
- DE3806960C2 DE3806960C2 DE3806960A DE3806960A DE3806960C2 DE 3806960 C2 DE3806960 C2 DE 3806960C2 DE 3806960 A DE3806960 A DE 3806960A DE 3806960 A DE3806960 A DE 3806960A DE 3806960 C2 DE3806960 C2 DE 3806960C2
- Authority
- DE
- Germany
- Prior art keywords
- carrier
- rhodium
- alumina granules
- oxide
- 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
-
- 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)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (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 |
---|---|---|---|
JP5109687 | 1987-03-05 | ||
JP62119765A JPH0626672B2 (ja) | 1987-03-05 | 1987-05-15 | 排気浄化触媒及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3806960A1 DE3806960A1 (de) | 1988-09-15 |
DE3806960C2 true DE3806960C2 (US08087162-20120103-C00010.png) | 1990-09-06 |
Family
ID=26391626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3806960A Granted DE3806960A1 (de) | 1987-03-05 | 1988-03-03 | Katalysator zur reinigung von auspuffgas und verfahren fuer seine herstellung |
Country Status (3)
Country | Link |
---|---|
US (1) | US4843056A (US08087162-20120103-C00010.png) |
JP (1) | JPH0626672B2 (US08087162-20120103-C00010.png) |
DE (1) | DE3806960A1 (US08087162-20120103-C00010.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4316508A1 (de) * | 1992-07-30 | 1994-02-03 | Ngk Insulators Ltd | Katalysator zur Abgasreinigung und Verfahren zu seiner Herstellung |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5286699A (en) * | 1988-12-09 | 1994-02-15 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Exhaust gas purifying catalyst suppressing the generation of hydrogen sulfide and method of making the catalyst |
JP3285857B2 (ja) * | 1989-07-06 | 2002-05-27 | マツダ株式会社 | 排気ガス浄化用触媒 |
US5474441A (en) * | 1989-08-22 | 1995-12-12 | Engelhard Corporation | Catalyst configuration for catalytic combustion systems |
US5378142A (en) * | 1991-04-12 | 1995-01-03 | Engelhard Corporation | Combustion process using catalysts containing binary oxides |
US5593654A (en) * | 1992-03-12 | 1997-01-14 | Condea Vista Company | Preparation of stabilized alumina having enhanced resistance to loss of surface area at high temperatures |
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 |
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 |
US5837634A (en) * | 1992-11-12 | 1998-11-17 | Condea Vista Company | Process for producing stabilized alumina having enhanced resistance to loss of surface area at high temperatures |
FR2697832B1 (fr) * | 1992-11-12 | 1994-12-30 | Rhone Poulenc Chimie | Alumine stabilisée par du lanthane et son procédé de préparation. |
JP3281087B2 (ja) * | 1993-02-10 | 2002-05-13 | 日本碍子株式会社 | 排ガス浄化用触媒 |
JPH07132212A (ja) * | 1993-09-16 | 1995-05-23 | Toyota Central Res & Dev Lab Inc | 排気ガス浄化方法及びその触媒コンバータ |
JPH08164332A (ja) * | 1994-12-13 | 1996-06-25 | Mazda Motor Corp | 窒素酸化物吸着剤及び窒素酸化物吸着浄化装置 |
US5895636A (en) * | 1997-12-02 | 1999-04-20 | Engelhard Corporation | Catalytic compositions and methods for suppression of halogenation of organic compounds with oxidation products of halogenated organic compounds in gaseous emission streams |
KR100326747B1 (ko) * | 1998-03-09 | 2002-03-13 | 하나와 요시카즈 | 산소 과잉 배기 가스의 정화 장치 |
DE19908394A1 (de) * | 1999-02-26 | 2000-08-31 | Degussa | Katalysatormaterial und Verfahren zu seiner Herstellung |
EP1040870A3 (en) * | 1999-03-29 | 2002-02-06 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Noble metal based catalyst functioning at ordinary temperature and method for destroying noxious gaseous compounds using the same |
US6540968B1 (en) * | 1999-05-19 | 2003-04-01 | Ford Global Technologies, Inc. | Low-precious metal/high-rare earth oxide catalysts |
JP3777589B2 (ja) * | 2000-02-28 | 2006-05-24 | 日産自動車株式会社 | 排気ガス浄化用触媒および排気ガス浄化用触媒の製造方法 |
US6296822B1 (en) | 2000-03-29 | 2001-10-02 | Ford Global Technologies, Inc | Process for manufacturing nox traps with improved sulfur tolerance |
JP2002282702A (ja) * | 2001-01-19 | 2002-10-02 | Ngk Insulators Ltd | 触媒体 |
US8277773B2 (en) | 2004-02-13 | 2012-10-02 | Velocys Corp. | Steam reforming method |
US7722854B2 (en) * | 2003-06-25 | 2010-05-25 | Velocy's | Steam reforming methods and catalysts |
US7163963B2 (en) * | 2003-09-08 | 2007-01-16 | Conocophillips Company | Chemically and thermally stabilized alumina for Fischer-Tropsch catalysts |
JP4794834B2 (ja) * | 2004-07-22 | 2011-10-19 | 株式会社豊田中央研究所 | 排ガス浄化用触媒 |
JP5100085B2 (ja) * | 2006-10-31 | 2012-12-19 | 株式会社キャタラー | 排ガス浄化用触媒 |
KR20090072534A (ko) * | 2007-12-28 | 2009-07-02 | 삼성전자주식회사 | 비자연발화성 수성가스 쉬프트 반응 촉매 및 그 제조 방법 |
JP5328403B2 (ja) * | 2009-02-17 | 2013-10-30 | トヨタ自動車株式会社 | 高耐熱性排ガス浄化用触媒用担体 |
WO2013136821A1 (ja) | 2012-03-14 | 2013-09-19 | エヌ・イーケムキャット株式会社 | 排気ガス浄化用触媒組成物および自動車用排気ガス浄化用触媒 |
WO2014002667A1 (ja) | 2012-06-28 | 2014-01-03 | エヌ・イーケムキャット株式会社 | 排気ガス浄化用触媒組成物および自動車用排気ガス浄化用触媒 |
JP7114219B2 (ja) * | 2013-03-12 | 2022-08-08 | ビーエーエスエフ コーポレーション | No酸化用触媒材料 |
EP3581268A4 (en) | 2017-02-13 | 2021-01-06 | N.E. Chemcat Corporation | EMISSION CONTROL CATALYST COMPOSITION, METHOD OF MANUFACTURING THEREOF, AND EMISSION CONTROL CATALYST FOR AUTOMOBILES |
KR102268466B1 (ko) * | 2019-09-27 | 2021-06-24 | 한국과학기술원 | 완전 분산과 환원된 금속 상태를 갖는 고내구성 금속 앙상블 촉매 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE322350C (de) * | 1919-02-06 | 1920-06-28 | Fritz Seibel | Messerputzmaschine |
US3892836A (en) * | 1974-01-07 | 1975-07-01 | Int Harvester Co | Sintered NO{HD x {b reduction catalysts |
JPS51101780A (US08087162-20120103-C00010.png) * | 1975-03-06 | 1976-09-08 | Nissan Motor | |
MX4509E (es) * | 1975-08-27 | 1982-06-02 | Engelhard Min & Chem | Composicion catalitica mejorada para oxidar en forma simultanea hidrocarburos gascosos y monoxido de carbono y reducir oxidos de nitrogeno |
US4170573A (en) * | 1978-04-07 | 1979-10-09 | W. R. Grace & Co. | Rare earth and platinum group metal catalyst compositions |
JPS54159391A (en) * | 1978-06-07 | 1979-12-17 | Toyota Motor Corp | Exhaust gas cleaning catalyst |
JPS5522357A (en) * | 1978-08-08 | 1980-02-18 | Nippon Shokubai Kagaku Kogyo Co Ltd | Monolithic catalyst for purification of waste gas |
JPS599217B2 (ja) * | 1978-07-12 | 1984-03-01 | 株式会社日本触媒 | 排気ガス浄化用触媒およびその製法 |
GB2027358B (en) * | 1978-07-12 | 1983-04-27 | Nippon Catalytic Chem Ind | Exhaust gas purification catalysts |
JPS55162343A (en) * | 1979-06-06 | 1980-12-17 | Toyota Motor Corp | Preparation of catalyst support |
JPS609861B2 (ja) * | 1979-12-19 | 1985-03-13 | 株式会社豊田中央研究所 | 排気ガス浄化用触媒 |
JPS57140649A (en) * | 1981-02-20 | 1982-08-31 | Toyota Motor Corp | Catalyst for purifying exhaust gas |
JPS57147439A (en) * | 1981-03-07 | 1982-09-11 | Toyota Motor Corp | Preparation of rhodium-supported catalyst |
ZA837689B (en) * | 1982-10-18 | 1984-06-27 | Universal Matthey Prod | Oxidation catalysts |
FR2546078B1 (fr) * | 1983-05-19 | 1987-05-07 | Pro Catalyse | Procede de fabrication de catalyseurs pour le traitement des gaz d'echappement des moteurs a combustion interne |
US4585752A (en) * | 1984-08-15 | 1986-04-29 | W. R. Grace & Co. | Catalyst composition for ultra high temperature operation |
US4711870A (en) * | 1985-04-27 | 1987-12-08 | Bridgestone Corporation | Exhaust gas purifying catalyst |
JPS6380850A (ja) * | 1986-09-25 | 1988-04-11 | Toyota Motor Corp | 排ガス浄化用触媒 |
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 |
JPS63175640A (ja) * | 1987-01-16 | 1988-07-20 | Toyota Central Res & Dev Lab Inc | 触媒担体 |
-
1987
- 1987-05-15 JP JP62119765A patent/JPH0626672B2/ja not_active Expired - Lifetime
-
1988
- 1988-03-03 DE DE3806960A patent/DE3806960A1/de active Granted
- 1988-03-04 US US07/164,237 patent/US4843056A/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4316508A1 (de) * | 1992-07-30 | 1994-02-03 | Ngk Insulators Ltd | Katalysator zur Abgasreinigung und Verfahren zu seiner Herstellung |
US5439865A (en) * | 1992-07-30 | 1995-08-08 | Ngk Insulators, Ltd. | Catalyst for exhaust gas purification and process for production thereof |
Also Published As
Publication number | Publication date |
---|---|
JPS644250A (en) | 1989-01-09 |
US4843056A (en) | 1989-06-27 |
JPH0626672B2 (ja) | 1994-04-13 |
DE3806960A1 (de) | 1988-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8125 | Change of the main classification |
Ipc: B01J 23/56 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: TIEDTKE, H., DIPL.-ING. BUEHLING, G., DIPL.-CHEM. KINNE, R., DIPL.-ING. GRUPE, P., DIPL.-ING. PELLMANN, H., DIPL.-ING. GRAMS, K., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |