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
Application number
DE69104210T
Other languages
English (en)
Other versions
DE69104210T2 (de
Inventor
John Nunan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Umicore Autocat USA Inc
Original Assignee
AlliedSignal Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AlliedSignal Inc filed Critical AlliedSignal Inc
Application granted granted Critical
Publication of DE69104210D1 publication Critical patent/DE69104210D1/de
Publication of DE69104210T2 publication Critical patent/DE69104210T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE69104210T 1990-08-31 1991-05-09 Herstellung eines dreiwegkatalysators mit hochdispergiertem ceroxid. Expired - Fee Related DE69104210T2 (de)

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)

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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)

* Cited by examiner, † Cited by third party
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

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