DE69104210D1 - Herstellung eines dreiwegkatalysators mit hochdispergiertem ceroxid. - Google Patents
Herstellung eines dreiwegkatalysators mit hochdispergiertem ceroxid.Info
- Publication number
- DE69104210D1 DE69104210D1 DE69104210T DE69104210T DE69104210D1 DE 69104210 D1 DE69104210 D1 DE 69104210D1 DE 69104210 T DE69104210 T DE 69104210T DE 69104210 T DE69104210 T DE 69104210T DE 69104210 D1 DE69104210 D1 DE 69104210D1
- Authority
- DE
- Germany
- Prior art keywords
- ceroxide
- production
- way catalyst
- highly dispersed
- ceria
- 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
-
- 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
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
-
- 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)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/576,306 US5064803A (en) | 1990-08-31 | 1990-08-31 | Preparation of three-way catalysts with highly dispersed ceria |
PCT/US1991/003214 WO1992004106A1 (en) | 1990-08-31 | 1991-05-09 | Preparation of three-way catalysts with highly dispersed ceria |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69104210D1 true DE69104210D1 (de) | 1994-10-27 |
DE69104210T2 DE69104210T2 (de) | 1995-03-02 |
Family
ID=24303867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69104210T Expired - Fee Related DE69104210T2 (de) | 1990-08-31 | 1991-05-09 | Herstellung eines dreiwegkatalysators mit hochdispergiertem ceroxid. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5064803A (de) |
EP (1) | EP0545931B1 (de) |
JP (1) | JP2853901B2 (de) |
AT (1) | ATE111764T1 (de) |
AU (1) | AU7881891A (de) |
CA (1) | CA2090012A1 (de) |
DE (1) | DE69104210T2 (de) |
WO (1) | WO1992004106A1 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2684662B1 (fr) * | 1991-12-09 | 1994-05-06 | Rhone Poulenc Chimie | Composition a base d'oxyde cerique, preparation et utilisation. |
FR2698346B1 (fr) * | 1992-11-25 | 1995-01-27 | Rhone Poulenc Chimie | Agrégat de cristallites d'oxyde cérique, procédé d'obtention et son utilisation pour réduire les résidus de combustion. |
JP3314897B2 (ja) * | 1994-08-03 | 2002-08-19 | トヨタ自動車株式会社 | 排気ガス浄化用触媒の製造方法 |
US5556825A (en) * | 1995-01-06 | 1996-09-17 | Ford Motor Company | Automotive catalysts with improved oxygen storage and metal dispersion |
US6129834A (en) * | 1995-05-05 | 2000-10-10 | W. R. Grace & Co. -Conn. | NOx reduction compositions for use in FCC processes |
US6165933A (en) * | 1995-05-05 | 2000-12-26 | W. R. Grace & Co.-Conn. | Reduced NOx combustion promoter for use in FCC processes |
US6326329B1 (en) | 1996-02-21 | 2001-12-04 | Asec Manufacturing | Highly dispersed substantially uniform mixed-metal-oxide composite supports for exhaust conversion catalysts |
DE19714707A1 (de) * | 1997-04-09 | 1998-10-15 | Degussa | Sauerstoff speicherndes Material mit hoher Temperaturstabilität sowie Verfahren zu seiner Herstellung |
US5863856A (en) * | 1997-04-22 | 1999-01-26 | Exxon Research And Engineering Company | Preparation of high activity catalysts the catalysts and their use |
US5856261A (en) * | 1997-04-22 | 1999-01-05 | Exxon Research And Engineering Company | Preparation of high activity catalysts; the catalysts and their use |
US5856260A (en) * | 1997-04-22 | 1999-01-05 | Exxon Research And Engineering Company | Preparation of high activity catalysts; the catalysts and their use |
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 |
EP1180063A2 (de) * | 1999-04-19 | 2002-02-20 | Engelhard Corporation | Katalysatorzusammenstellung mit ceroxid und einem platinmetall |
US20050205465A1 (en) * | 2002-02-22 | 2005-09-22 | Peters Alan W | NOx reduction compositions for use in FCC processes |
US20040147394A1 (en) * | 2002-03-28 | 2004-07-29 | Wagner Jon P. | Catalyst for production of hydrogen |
JP4019357B2 (ja) * | 2002-05-02 | 2007-12-12 | 日産自動車株式会社 | 排気ガス浄化用触媒粉末の製造方法及び排気ガス浄化触媒の製造方法 |
US7465690B2 (en) * | 2003-06-19 | 2008-12-16 | Umicore Ag & Co. Kg | Methods for making a catalytic element, the catalytic element made therefrom, and catalyzed particulate filters |
US6956007B2 (en) * | 2003-08-25 | 2005-10-18 | General Motors Corporation | Noble metal catalyst |
US20050153836A1 (en) * | 2004-01-13 | 2005-07-14 | Yuichi Matsuo | Purification catalyst for exhaust gas, production method therefor, and purification catalyst device for exhaust gas |
JP4204487B2 (ja) * | 2004-01-21 | 2009-01-07 | 本田技研工業株式会社 | 排ガス浄化触媒及びその製造方法、並びに車用排ガス浄化触媒装置 |
US7811961B2 (en) * | 2004-08-12 | 2010-10-12 | Ford Global Technologies, Llc | Methods and formulations for enhancing NH3 adsorption capacity of selective catalytic reduction catalysts |
US20060035782A1 (en) * | 2004-08-12 | 2006-02-16 | Ford Global Technologies, Llc | PROCESSING METHODS AND FORMULATIONS TO ENHANCE STABILITY OF LEAN-NOx-TRAP CATALYSTS BASED ON ALKALI- AND ALKALINE-EARTH-METAL COMPOUNDS |
US7622095B2 (en) * | 2004-08-12 | 2009-11-24 | Ford Global Technologies, Llc | Catalyst composition for use in a lean NOx trap and method of using |
US7749474B2 (en) * | 2004-08-12 | 2010-07-06 | Ford Global Technologies, Llc | Catalyst composition for use in a lean NOx trap and method of using |
KR100640583B1 (ko) * | 2004-08-16 | 2006-10-31 | 삼성전자주식회사 | 산화세륨 연마 입자 및 그 제조 방법과 cmp용 슬러리조성물 및 그 제조 방법과 이들을 이용한 기판 연마 방법 |
FR2905371B1 (fr) | 2006-08-31 | 2010-11-05 | Rhodia Recherches & Tech | Composition a reductibilite elevee a base d'un oxyde de cerium nanometrique sur un support, procede de preparation et utilisation comme catalyseur |
US20080120970A1 (en) * | 2006-11-29 | 2008-05-29 | Marcus Hilgendorff | NOx Storage Materials and Traps Resistant to Thermal Aging |
US8796169B2 (en) * | 2007-02-23 | 2014-08-05 | Basf Se | Catalyst for selective methanization of carbon monoxide |
US8778831B2 (en) * | 2008-03-27 | 2014-07-15 | Umicore Ag & Co. Kg | Base metal and base metal modified diesel oxidation catalysts |
US9403151B2 (en) * | 2009-01-30 | 2016-08-02 | Umicore Ag & Co. Kg | Basic exchange for enhanced redox OS materials for emission control applications |
US20100077727A1 (en) * | 2008-09-29 | 2010-04-01 | Southward Barry W L | Continuous diesel soot control with minimal back pressure penatly using conventional flow substrates and active direct soot oxidation catalyst disposed thereon |
US8449852B1 (en) | 2011-12-01 | 2013-05-28 | Basf Corporation | Diesel oxidation catalysts, systems and methods of treatment |
US9611774B2 (en) * | 2013-03-13 | 2017-04-04 | Basf Corporation | Catalyst with improved hydrothermal stability |
CA2903117C (en) * | 2013-03-13 | 2021-08-24 | Basf Corporation | Nox storage catalyst with improved hydrothermal stability and nox conversion |
KR102369734B1 (ko) * | 2014-08-25 | 2022-03-04 | 바스프 코포레이션 | 개선된 열수 안정성을 갖는 촉매 |
JP2020045291A (ja) * | 2018-09-14 | 2020-03-26 | 恒隆 川口 | 酸化セリウム含有組成物 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57119838A (en) * | 1981-01-20 | 1982-07-26 | Mitsui Mining & Smelting Co Ltd | Production of palladium catalyst |
US4708946A (en) * | 1985-05-23 | 1987-11-24 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Catalyst for purifying exhaust gas |
US4714694A (en) * | 1986-06-30 | 1987-12-22 | Engelhard Corporation | Aluminum-stabilized ceria catalyst compositions, and methods of making the same |
US4868148A (en) * | 1987-08-24 | 1989-09-19 | Allied-Signal Inc. | Layered automotive catalytic composite |
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 |
US4868150A (en) * | 1987-12-22 | 1989-09-19 | Rhone-Poulenc Inc. | Catalyst support material containing lanthanides |
US4868149A (en) * | 1988-05-23 | 1989-09-19 | Allied-Signal Inc. | Palladium-containing catalyst for treatment of automotive exhaust and method of manufacturing the catalyst |
-
1990
- 1990-08-31 US US07/576,306 patent/US5064803A/en not_active Expired - Fee Related
-
1991
- 1991-05-09 AU AU78818/91A patent/AU7881891A/en not_active Abandoned
- 1991-05-09 EP EP91909899A patent/EP0545931B1/de not_active Expired - Lifetime
- 1991-05-09 CA CA002090012A patent/CA2090012A1/en not_active Abandoned
- 1991-05-09 DE DE69104210T patent/DE69104210T2/de not_active Expired - Fee Related
- 1991-05-09 JP JP3509859A patent/JP2853901B2/ja not_active Expired - Lifetime
- 1991-05-09 AT AT91909899T patent/ATE111764T1/de not_active IP Right Cessation
- 1991-05-09 WO PCT/US1991/003214 patent/WO1992004106A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0545931A1 (de) | 1993-06-16 |
WO1992004106A1 (en) | 1992-03-19 |
AU7881891A (en) | 1992-03-30 |
JP2853901B2 (ja) | 1999-02-03 |
EP0545931B1 (de) | 1994-09-21 |
DE69104210T2 (de) | 1995-03-02 |
US5064803A (en) | 1991-11-12 |
CA2090012A1 (en) | 1992-03-01 |
ATE111764T1 (de) | 1994-10-15 |
JPH06500256A (ja) | 1994-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: ASEC MFG. CO., CATOOSA, OKLA., US |
|
8339 | Ceased/non-payment of the annual fee |