KR950031907A - 환원성이 높은 알루미나-, 산화 세륨- 및 산화 지르코늄-기재 화합물, 이의 제조 방법및 촉매 제조에 있어서 용도 - Google Patents

환원성이 높은 알루미나-, 산화 세륨- 및 산화 지르코늄-기재 화합물, 이의 제조 방법및 촉매 제조에 있어서 용도 Download PDF

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KR950031907A
KR950031907A KR1019950013393A KR19950013393A KR950031907A KR 950031907 A KR950031907 A KR 950031907A KR 1019950013393 A KR1019950013393 A KR 1019950013393A KR 19950013393 A KR19950013393 A KR 19950013393A KR 950031907 A KR950031907 A KR 950031907A
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compound
alumina
mixture
preparation
compound according
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쇼펭 띠에리
뚜레뜨 올리비에
비맹 가브리엘
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필립 뒤브릭
롱-쁠랑 쉬미
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    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0018—Mixed oxides or hydroxides
    • C01G49/0054—Mixed oxides or hydroxides containing one rare earth metal, yttrium or scandium
    • 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
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/83—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/006—Compounds containing, besides zirconium, two or more other elements, with the exception of oxygen or hydrogen
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/10—Solid density
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • 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

Abstract

본 발명은 알루미나, 산화세륨, 및 산화 지르코늄을 함유하며, 1,000℃ 이상의 온도에서도 안정화된 수소-흡수능을 갖는 화합물임을 특징으로 하는 화합물에 관한 것이다. 본 발명의 화합물은 -세륨 아세테이트 및 지르코늄 염 또는 콜로이드성 용액, 및 잠재적으로 상기 언급한 타입의 다른 원소의 염 또는 콜로이드성 용액을 함유하는 제1혼합물을 제조하고; -제1혼합물을 염기성 매질과 접하여 놓고, 형성된 반응성 매질을 염기성 pH에서 유지시키며; -형성된 침전물을 반응성 매질로부터 분리시킬 수 있고; -수득한 침전물과 알루미나를 함유하는 제2혼합물을 형성시키며; -상기 방법으로 형성된 제2혼합물을 분무 건도조시키고; -수득한 무수생성물을 소결시키는 단계들로 이루어진 공정에 따라 제조한다.
본 발명의 화합물은 촉매로서 사용할 수 있다.

Description

환원성이 높은 알루미나-, 산화 세륨- 및 산화 지르코늄-기재 화합물, 이의 제조 방법및 촉매 제조에 있어서 용도
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (13)

1,000℃ 이상의 온도에서도 안정화된 수소-흡수능을 갖는, 알루미나, 산화 세륨 및 산화지르코늄을 함유하는화합물.
제1항에 있어서, 1,000℃ 이상의 온도에 2회 연속 노출시키는 사이클 후 측정한 바, 최대 50%, 더욱 특히는 최대 25%의, 수소-흡수능의 변화를 나타내는 화합물.
제1항 또는 2항에 있어서, 사이 화합물의 수소-흡수능이 1,000℃ 이상의 온도에서도 10㎖/g 이상, 더욱 특히 20㎖/g 이상인 화합물.
제1항 내지 3항 중 어느 한 항에 있어서, 화합물이 비스므트, 희토류, 바륨, 실리콘, 및 원소 주기율표의 Ⅷ족 원소 중에서 선택된 다른 원소의 산화물을 더 포함하는 화합물.
제1항 내지 4항 중 어느 한 항에 있어서, 상기 화합물이 프라세오디뮴, 란탄 및(또는)철을 포함하는 화합물.
제1항 내지 5항중 어느 한 항에 있어서, 비균질성의 범위가 100n㎡ 미만, 더욱 특히 50m㎡ 미만일 정도로 화학적 균질성을 갖는 화합물.
-세륨 아세티이트 및 지르코늄 염 또는 콜로이드성 용액, 및 잠재적으로 제4항 또는 5항에서 언급한 타입의 다른 원소의 염 또는 콜로이드성 용액을 함유하는 제1 혼합물을 제조하고; -제1혼합물을 염기성 매질과 접하여 놓고, 형성된 반응성 매질을 염기성 pH에서 유지시키며; -형성된 침전물을 반응성 매질로부터 분리시킬 수 있고; -수득한 침전물과 알루미나를 함유하는 제2혼합물을 형성시키며; -상기 방법으로 형성된 제2 혼합물을 분무 건조시키고; -수득한 무수 생성물을 소결시키는 단계들로 이루어진, 제1항 내지 6항중 어느 한 항에 따른 화합물의 제조 방법.
제7항에 있어서, 염기성 매질로서 액체 암모니아 용액을 사용하는 방법.
제7항 또는 8항에 있어서, 반응성 매질의 pH를 최대치 9, 더욱 특히 9.5 내지 11에서 유지시키는 방법.
제7항 내지 9항중 어느 한 항에 있어서, 희토류, 바륨, 실리콘, 및 지르코늄 중에서 선택된 원소로 안정화된 알루미나를 사용하는 방법.
-세륨 아세테이트 및 지르코늄 염 또는 콜로이드성 용액, 및 잠재적으로 제4항 또는 5항에서 언급한 타입의 다른 원소의 염 또는 콜로이드성 용액을 함유하는 제1혼합물을 제조하고; -상기 제1혼합물을 염기성 매질과 접하여 놓고 형성된 반응성 매질을 염기성 pH에서 유지시키며; -형성된 침천물을 반응성 매질로부터 분리시킬 수 있고; -수득한 침전물 및 알루미나를 함유하는 제2혼합물을 형성시키며; -상기 방법으로 형성된 제2혼합물을 분무 건조시키는 단계들로 이루어진 공정에 의해 얻어지는, 제1항 내지 6항중 어느 한 항에 따른 화합물의 전구체.
촉매, 특히 내연 기관으로부터의 배기 가스를 처리하기 위한 촉매의 제조를 위한, 제1항 내지 6항중 어느 한 항에 따른 화합물의 용도.
기판, 및 제1항 내지 6항중 어느 한 항에 따른 화합물을 사용하여 생산한 피복물로 이루어지는, 내연기관으로부터의 배기 가스를 처리하기 위한 촉매.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950013393A 1994-05-27 1995-05-26 환원성이높은알루미나-,산화세륨-및산화지르코늄-기재화합물,이의제조방법및촉매제조에있어서용도 KR100364189B1 (ko)

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FR9406447 1994-05-27
FR9406447A FR2720296B1 (fr) 1994-05-27 1994-05-27 Composés à base d'alumine, d'oxyde de cérium et d'oxyde de zirconium à réductibilité élevée, leur procédé de préparation et leur utilisation dans la préparation de catalyseurs.

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US (1) US5883037A (ko)
EP (1) EP0684073B1 (ko)
JP (1) JP2789313B2 (ko)
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CN (1) CN1085109C (ko)
AT (1) ATE189974T1 (ko)
AU (1) AU2025995A (ko)
BR (1) BR9502567A (ko)
CA (1) CA2150296C (ko)
DE (1) DE69515209T2 (ko)
FI (1) FI952567A (ko)
FR (1) FR2720296B1 (ko)
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Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729309B1 (fr) * 1995-01-13 1997-04-18 Rhone Poulenc Chimie Composition catalytique a base d'oxyde de cerium et d'oxyde de manganese, de fer ou de praseodyme, son procede de preparation et son utilisation en catalyse postcombustion automobile
US5849256A (en) * 1996-04-26 1998-12-15 Engelhard Corporation Method for oxidizing carbon monoxide in a gas stream containing oxidizable sulphur compounds
US6248688B1 (en) * 1996-09-27 2001-06-19 Engelhard Corporation Catalyst composition containing oxygen storage components
US5898014A (en) * 1996-09-27 1999-04-27 Engelhard Corporation Catalyst composition containing oxygen storage components
DE69728341T2 (de) 1996-10-07 2004-12-30 Kabushiki Kaisha Toyota Chuo Kenkyusho Verbundoxid, Verbundoxidträger und Katalysator
US6506705B2 (en) 1996-12-06 2003-01-14 Rhodia Chimie Composition based on cerium oxide or on cerium and zirconium oxides, in the extruded form, process for the preparation thereof and use thereof as catalyst
JP4053623B2 (ja) 1996-12-27 2008-02-27 阿南化成株式会社 ジルコニウム−セリウム系複合酸化物及びその製造方法
CN1069616C (zh) * 1997-12-19 2001-08-15 化学工业部天津化工研究院 氧化锆-氧化铝复合物的制法及其用途
JP4045002B2 (ja) * 1998-02-02 2008-02-13 三井金属鉱業株式会社 複合酸化物及びそれを用いた排ガス浄化用触媒
JP3388255B2 (ja) * 1998-06-03 2003-03-17 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
US6037307A (en) * 1998-07-10 2000-03-14 Goal Line Environmental Technologies Llc Catalyst/sorber for treating sulfur compound containing effluent
US6165932A (en) * 1999-01-11 2000-12-26 Ford Global Technologies, Inc. Transition metal oxides useful in fabrication of NOx absorbent formulations
JP4443685B2 (ja) * 1999-09-10 2010-03-31 三井金属鉱業株式会社 排気ガス浄化用助触媒の製造方法
US6909024B1 (en) 1999-11-22 2005-06-21 The Dow Chemical Company Process for the conversion of ethylene to vinyl chloride and novel catalyst compositions useful for such process
US6680415B1 (en) * 1999-11-22 2004-01-20 Dow Global Technologies Inc. Oxyhalogenation process using catalyst having porous rare earth halide support
US6933417B1 (en) 1999-11-22 2005-08-23 Dow Global Technologies Inc. Process for vinyl chloride manufacture from ethane and ethylene with partial CHl recovery from reactor effluent
US6797845B1 (en) 1999-11-22 2004-09-28 Dow Global Technologies Inc. Process for vinyl chloride manufacture from ethane and ethylene with immediate HCl recovery from reactor effluent
US20020032123A1 (en) * 2000-02-23 2002-03-14 Ford Global Technologies, Inc. Exhaust gas catalyst and method of manufacturing same
KR100384016B1 (ko) * 2000-12-05 2003-05-14 현대자동차주식회사 질소산화물 제거용 팔라듐-로듐 삼원촉매와 그 제조방법
AU2002307548B2 (en) * 2001-05-23 2007-06-28 Dow Global Technologies Inc. Oxidative halogenation and optional dehydrogenation of C3+ hydrocarbons
EP1287876B1 (en) 2001-08-30 2006-05-10 Kabushiki Kaisha Toyota Chuo Kenkyusho Composite oxide, process for producing the same, and exhaust gas reducing co-catalyst
JP4345909B2 (ja) * 2001-12-11 2009-10-14 吟也 足立 低温酸化還元能を有する複合酸化物とその製造方法
US7390768B2 (en) * 2002-01-22 2008-06-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Stabilized tin-oxide-based oxidation/reduction catalysts
JP3985054B2 (ja) * 2002-02-22 2007-10-03 マツダ株式会社 排気ガス浄化用触媒
FR2846648B1 (fr) * 2002-10-31 2005-01-28 Centre Nat Rech Scient Stockage d'hydrogene dans des compositions solides a base d'oxydes mixtes.
FR2852592B1 (fr) * 2003-03-18 2007-02-23 Rhodia Elect & Catalysis Compositions a base d'un oxyde de cerium, d'un oxyde de zirconium et, eventuellement d'un oxyde d'une autre terre rare, a surface specifique elevee a 1100 c, leur procede de preparation et leur utilisation comme catalyseur
US6939663B2 (en) * 2003-07-08 2005-09-06 Kodak Polychrome Graphics Llc Sulfated phenolic resins and printing plate precursors comprising sulfated phenolic resins
GB0428555D0 (en) * 2004-12-30 2005-02-09 Magnesium Elektron Ltd Composite material for automotive catalyst applications and method of manufacturing
JP5194397B2 (ja) 2006-07-12 2013-05-08 トヨタ自動車株式会社 排ガス浄化触媒及びその製造方法
EP2253591B1 (en) * 2008-02-12 2014-06-04 Santoku Corporation Composite oxide
FR2928364B1 (fr) 2008-03-05 2011-10-14 Rhodia Operations Composition a base d'un oxyde de zirconium,d'un oxyde de titane ou d'un oxyde mixte de zirconium et de titane sur un support en alumine,procedes de preparation et utilisation comme catalyseur
WO2009131118A1 (ja) * 2008-04-23 2009-10-29 Ｄｏｗａエレクトロニクス株式会社 排ガス浄化触媒用複合酸化物とその製造方法および排ガス浄化触媒用塗料とディーゼル排ガス浄化用フィルタ
US8507403B2 (en) * 2008-06-27 2013-08-13 Cabot Corporation Process for producing exhaust treatment catalyst powders, and their use
US8530372B2 (en) * 2009-07-22 2013-09-10 Basf Corporation Oxygen storage catalyst with decreased ceria reduction temperature
CN102000558B (zh) * 2010-10-27 2013-01-02 重庆海特汽车排气系统有限公司 机动车尾气催化净化用复合氧化物及其制备方法
EP2665555A4 (en) 2010-11-16 2017-03-29 Rhodia Operations Porous inorganic composite oxide
CN102553653B (zh) * 2010-12-22 2016-09-14 太平洋工业发展公司 具有储氧能力的催化剂载体材料及其制造方法
CN102092683A (zh) * 2011-01-06 2011-06-15 昆明理工大学 一种催化部分氧化甲烷制合成气用氧载体
DE102011107702A1 (de) * 2011-07-14 2013-01-17 Sasol Germany Gmbh Verfahren zur Herstellung von Kompositen aus Aluminiumoxid und Cer-/Zirkonium-Mischoxiden
KR102033797B1 (ko) 2011-07-14 2019-10-17 트라이바허 인두스트리 아게 증가된 내열성을 갖는 세리아 지르코니아 알루미나 조성물
EP2604337A1 (en) 2011-12-16 2013-06-19 Treibacher Industrie AG Ceria zirconia alumina composition with enhanced thermal stability
US20130108530A1 (en) 2011-10-27 2013-05-02 Johnson Matthey Public Limited Company Process for producing ceria-zirconia-alumina composite oxides and applications thereof
CA2876863A1 (en) 2012-06-15 2013-12-19 Basf Corporation Composites of mixed metal oxides for oxygen storage
US8545780B1 (en) 2012-07-27 2013-10-01 Basf Corporation Catalyst materials
US8835346B2 (en) 2012-07-27 2014-09-16 Basf Corporation Catalyst materials
US20140369912A1 (en) * 2013-06-13 2014-12-18 Basf Corporation Integrated Supports for Emission Control Catalysts
CN103349978A (zh) * 2013-06-25 2013-10-16 上海华明高纳稀土新材料有限公司 铈锆铝基复合氧化物催化材料及其制备方法
MX2016008194A (es) 2013-12-23 2017-03-06 Rhodia Operations Material de oxido inorganico.
CN107206358B (zh) 2015-02-06 2021-03-16 庄信万丰股份有限公司 三效催化剂及其在排气系统中的应用
JP6497351B2 (ja) * 2016-04-15 2019-04-10 トヨタ自動車株式会社 排ガス浄化用触媒の製造方法
EP3266519A1 (en) * 2016-06-16 2018-01-10 Pacific Industrial Development Corporation Doped ceria-zirconia-alumina catalyst support materials with oxygen storage capacity (osc) and method of making thereof
WO2019160124A1 (en) * 2018-02-15 2019-08-22 Sumitomo Chemical Company, Limited Inorganic oxide
CN108947570A (zh) * 2018-09-07 2018-12-07 长沙理工大学 一种多孔陶瓷微球及其制备方法
JP7255459B2 (ja) * 2019-11-15 2023-04-11 トヨタ自動車株式会社 排ガス浄化用触媒
US11541373B2 (en) 2019-11-19 2023-01-03 Toyota Motor Engineering & Manufacturing North America, Inc. Mixed oxide catalyst for oxygen storage applications and a method for making the catalyst

Family Cites Families (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2152908A (en) * 1936-05-11 1939-04-04 Universal Oil Prod Co Dehydrogenation of hydrocarbons
FR2257326B1 (ko) 1973-06-19 1976-05-28 Rhone Progil
DE2501810A1 (de) * 1974-02-25 1975-08-28 Babcock Hitachi Kk Katalysator und verfahren zur reduktion von stickstoffoxiden
FR2419754A1 (fr) 1978-03-14 1979-10-12 Rhone Poulenc Ind Dispositif pour la mise en contact de substances se presentant sous au moins deux phases differentes
FR2431321A1 (fr) 1978-07-21 1980-02-15 Rhone Poulenc Ind Procede de traitement de substances se presentant sous des phases differentes, tel que traitement de substances sous forme liquide, semi-liquide, ou pateuse, par une autre phase notamment gazeuse
DE2907106C2 (de) * 1979-02-23 1985-12-19 Degussa Ag, 6000 Frankfurt Abgaskatalysator und seine Verwendung zur Reinigung der Abgase von Verbrennungskraftmaschinen
JPS55139832A (en) * 1979-04-19 1980-11-01 Mitsubishi Heavy Ind Ltd Catalyst for removing nitrogen oxides in exhaust gas and removing method of nitrogen oxides
JPS56152742A (en) * 1980-04-25 1981-11-26 Kobe Steel Ltd Catalyst composition for high-temperature waste gas denitration
JPS58124544A (ja) * 1982-01-19 1983-07-25 Matsushita Electric Ind Co Ltd 燃焼用触媒体
CA1213874A (en) * 1983-05-12 1986-11-12 Tomohisa Ohata Process for producing honeycomb catalyst for exhaust gas conversion
DE3340569A1 (de) * 1983-11-09 1985-05-23 Sued Chemie Ag Katalysator zur herstellung von synthesegas bzw. von wasserstoff und verfahren zu dessen herstellung
FR2568143B1 (fr) * 1984-07-30 1986-12-05 Prod Catalyse Ste Fse Catalyseur et procede pour le traitement des gaz d'echappement des moteurs a combustion interne
FR2590887B1 (fr) * 1985-12-02 1990-09-07 Rhone Poulenc Spec Chim Composition a base d'oxyde de zirconium et procede de preparation
FR2595265B1 (fr) * 1986-03-07 1992-10-09 Pro Catalyse Catalyseur et procede pour le traitement des gaz d'echappement des moteurs a combustion interne
JPS62282641A (ja) * 1986-06-02 1987-12-08 Nissan Motor Co Ltd 排ガス浄化用触媒の製造方法
US4714694A (en) * 1986-06-30 1987-12-22 Engelhard Corporation Aluminum-stabilized ceria catalyst compositions, and methods of making the same
JPS6320036A (ja) * 1986-07-10 1988-01-27 Nissan Motor Co Ltd 排ガス浄化用触媒の製造方法
JPS6388040A (ja) * 1986-09-30 1988-04-19 Nippon Engeruharudo Kk 車輌用排気ガス浄化用触媒及びその製造方法
AU595655B2 (en) * 1986-11-04 1990-04-05 Kabushiki Kaisha Toyota Chuo Kenkyusho Catalyst for the purification of exhaust gas
JPH0615040B2 (ja) * 1987-07-06 1994-03-02 株式会社豊田中央研究所 排気浄化用触媒
ATE76783T1 (de) * 1987-10-30 1992-06-15 Degussa Rhodium-freier dreiwegkatalysator.
DE3803122C1 (ko) * 1988-02-03 1989-07-13 Degussa Ag, 6000 Frankfurt, De
JPH01210032A (ja) * 1988-02-18 1989-08-23 Nippon Engeruharudo Kk 排気ガス浄化用触媒及びその製造方法
EP0333037B1 (en) * 1988-03-12 1994-06-22 Igarashi, Akira c/o Kohgakuin University Process for steam reforming of hydrocarbon
JPH0644999B2 (ja) * 1988-04-30 1994-06-15 株式会社豊田中央研究所 排気ガス浄化用触媒
DE3830319C1 (ko) * 1988-09-07 1989-07-20 Degussa Ag, 6000 Frankfurt, De
JP2744275B2 (ja) * 1989-02-16 1998-04-28 マツダ株式会社 排気ガス浄化用触媒の製造方法
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
DE3912915C1 (ko) * 1989-04-20 1990-12-13 Degussa Ag, 6000 Frankfurt, De
EP0428752B1 (en) * 1989-06-09 1994-08-31 N.E. Chemcat Corporation Exhaust gas purifying catalyst excellent in thermal resistance and method of production thereof
JP2578219B2 (ja) * 1989-10-18 1997-02-05 日産自動車株式会社 排ガス浄化用触媒の製造方法
JPH03196841A (ja) * 1989-12-26 1991-08-28 Nok Corp 排気ガス浄化用触媒
JPH044043A (ja) * 1990-04-20 1992-01-08 Nissan Motor Co Ltd 排気ガス浄化用耐熱性触媒
CA2064977C (en) * 1991-04-05 1998-09-22 Eiichi Shiraishi Catalyst for purifying exhaust gas
US5378142A (en) * 1991-04-12 1995-01-03 Engelhard Corporation Combustion process using catalysts containing binary oxides
WO1993016799A1 (en) * 1992-02-21 1993-09-02 Imperial Chemical Industries Plc Oxidation catalysts
FR2695574B1 (fr) * 1992-09-15 1994-11-04 Rhone Poulenc Chimie Composition à base d'oxyde cérique, préparation et utilisation.
JPH06114264A (ja) * 1992-10-05 1994-04-26 Nissan Motor Co Ltd 排ガス浄化用触媒の製造方法
FR2699524B1 (fr) * 1992-12-21 1995-02-10 Rhone Poulenc Chimie Composition à base d'un oxyde mixte de cérium et de zirconium, préparation et utilisation.
FR2701472B1 (fr) * 1993-02-10 1995-05-24 Rhone Poulenc Chimie Procédé de préparation de compositions à base d'oxydes mixtes de zirconium et de cérium.
FR2701471B1 (fr) * 1993-02-10 1995-05-24 Rhone Poulenc Chimie Procédé de synthèse de compositions à base d'oxydes mixtes de zirconium et de cérium, compositions ainsi obtenues et utilisations de ces dernières.
US5427995A (en) * 1993-02-24 1995-06-27 W. R. Grace & Co.-Conn. SOx/NOx sorbent and process of use
JP3041662B2 (ja) * 1993-06-21 2000-05-15 三徳金属工業株式会社 酸素吸収・放出能を有する複合酸化物、その製造法、及びその使用方法
FR2708482B1 (fr) * 1993-07-29 1995-09-29 Inst Francais Du Petrole Procéédé de fabrication de catalyseurs sur supports incluant une étape de centrifugation du support après enduction.
JPH07300315A (ja) * 1994-04-28 1995-11-14 Nissan Motor Co Ltd 複合体、その複合体を用いた触媒体及びそれらの製造方法
JP3402542B2 (ja) * 1994-07-01 2003-05-06 株式会社豊田中央研究所 複合酸化物粉末の製造方法
WO1996005161A1 (de) * 1994-08-16 1996-02-22 Basf Aktiengesellschaft Verfahren zur herstellung von aromatischen aldehyden
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

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KR100364189B1 (ko) 2004-05-27
BR9502567A (pt) 1996-06-04
FR2720296B1 (fr) 1996-07-12
CA2150296C (fr) 2000-04-25
FI952567A (fi) 1995-11-28
ATE189974T1 (de) 2000-03-15
FI952567A0 (fi) 1995-05-26
ZA954058B (en) 1996-01-19
JP2789313B2 (ja) 1998-08-20
DE69515209T2 (de) 2000-09-07
CA2150296A1 (fr) 1995-11-28
US5883037A (en) 1999-03-16
EP0684073A1 (fr) 1995-11-29
FR2720296A1 (fr) 1995-12-01
JPH07315840A (ja) 1995-12-05
EP0684073B1 (fr) 2000-03-01
CN1116965A (zh) 1996-02-21
AU2025995A (en) 1995-12-07
CN1085109C (zh) 2002-05-22

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