DE69529946D1 - Verfahren zur Herstellung eines Abgasreinigungskatalysators - Google Patents

Verfahren zur Herstellung eines Abgasreinigungskatalysators

Info

Publication number
DE69529946D1
DE69529946D1 DE69529946T DE69529946T DE69529946D1 DE 69529946 D1 DE69529946 D1 DE 69529946D1 DE 69529946 T DE69529946 T DE 69529946T DE 69529946 T DE69529946 T DE 69529946T DE 69529946 D1 DE69529946 D1 DE 69529946D1
Authority
DE
Germany
Prior art keywords
producing
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 - Fee Related
Application number
DE69529946T
Other languages
English (en)
Other versions
DE69529946T2 (de
Inventor
Norio Taguchi
Juji Suzuki
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Application granted granted Critical
Publication of DE69529946D1 publication Critical patent/DE69529946D1/de
Publication of DE69529946T2 publication Critical patent/DE69529946T2/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
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • 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
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • 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
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
    • 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
    • B01J37/0201—Impregnation
    • 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
    • B01J37/0201—Impregnation
    • B01J37/0203—Impregnation the impregnation liquid containing organic compounds
    • 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
DE69529946T 1994-08-03 1995-08-01 Verfahren zur Herstellung eines Abgasreinigungskatalysators Expired - Fee Related DE69529946T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18254494A JP3314897B2 (ja) 1994-08-03 1994-08-03 排気ガス浄化用触媒の製造方法

Publications (2)

Publication Number Publication Date
DE69529946D1 true DE69529946D1 (de) 2003-04-24
DE69529946T2 DE69529946T2 (de) 2003-12-24

Family

ID=16120148

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69529946T Expired - Fee Related DE69529946T2 (de) 1994-08-03 1995-08-01 Verfahren zur Herstellung eines Abgasreinigungskatalysators

Country Status (4)

Country Link
US (1) US5866500A (de)
EP (1) EP0695580B1 (de)
JP (1) JP3314897B2 (de)
DE (1) DE69529946T2 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6165429A (en) * 1997-01-10 2000-12-26 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying catalyst and exhaust gas purifying method
JPH11123330A (ja) * 1997-08-20 1999-05-11 Hino Motors Ltd 排ガス浄化触媒及びその製法
US6440378B1 (en) 1997-12-22 2002-08-27 Toyota Jidosha Kabushiki Kaisha Catalyst for purifying exhaust gases, a method of producing the same, and a method of purifying exhaust gases
US20040228792A1 (en) * 1998-06-30 2004-11-18 Assink Gerrit Jan Barend Catalyst comprising two catalytically-active metals
US6559094B1 (en) * 1999-09-09 2003-05-06 Engelhard Corporation Method for preparation of catalytic material for selective oxidation and catalyst members thereof
JP4525879B2 (ja) * 1999-10-14 2010-08-18 戸田工業株式会社 多孔性機能粉体及びその製造法
ATE297805T1 (de) * 2000-03-28 2005-07-15 Umicore Ag & Co Kg Einschichtiger hochleistungskatalysator
GB0214383D0 (en) * 2002-06-21 2002-07-31 Isis Innovation Catalyst
US7655137B2 (en) * 2003-07-14 2010-02-02 Headwaters Technology Innovation, Llc Reforming catalysts having a controlled coordination structure and methods for preparing such compositions
US7569508B2 (en) * 2004-11-17 2009-08-04 Headwaters Technology Innovation, Llc Reforming nanocatalysts and method of making and using such catalysts
JP5217072B2 (ja) * 2003-11-14 2013-06-19 トヨタ自動車株式会社 排ガス浄化用触媒およびその製法
US7632775B2 (en) * 2004-11-17 2009-12-15 Headwaters Technology Innovation, Llc Multicomponent nanoparticles formed using a dispersing agent
US7541309B2 (en) * 2006-05-16 2009-06-02 Headwaters Technology Innovation, Llc Reforming nanocatalysts and methods of making and using such catalysts
JP5112966B2 (ja) * 2008-06-20 2013-01-09 旭化成株式会社 リーンバーン排ガス浄化用触媒
KR20100016819A (ko) * 2008-08-05 2010-02-16 삼성전기주식회사 마그네슘 바나듐 복합산화물 나노입자 제조방법 및그로부터 제조된 마그네슘 바나듐 복합산화물 나노입자
KR20100073704A (ko) * 2008-12-23 2010-07-01 삼성전기주식회사 복합산화물 나노 입자의 제조방법 및 그로부터 제조된 복합산화물 나노입자
EP2520354A1 (de) 2010-06-24 2012-11-07 N.E. Chemcat Corporation Einheit für katalytische abgasreinigung mit einem katalysator für selektive reduktion, abgasreinigungsverfahren sowie mit der einheit für katalytische abgasreinigung ausgestattetes kraftfahrzeug
JP5937067B2 (ja) 2011-04-28 2016-06-22 エヌ・イーケムキャット株式会社 排気ガス浄化装置
US20160045905A1 (en) * 2014-08-12 2016-02-18 Umicore Ag & Co. Kg Application of methyl cellulose on washcoats and precious metal solution
KR101619248B1 (ko) * 2014-12-02 2016-05-10 현대자동차 주식회사 하이브리드 차량의 배기 가스 촉매 활성화 장치 및 방법
JP6398918B2 (ja) * 2015-09-02 2018-10-03 マツダ株式会社 排気ガス浄化用触媒材の製造方法及び排気ガス浄化用触媒材並びに同排気ガス浄化用触媒材を含む排気ガス浄化用触媒
US9855547B2 (en) 2015-10-05 2018-01-02 GM Global Technology Operations LLC Low-temperature oxidation catalysts
US10046310B2 (en) 2015-10-05 2018-08-14 GM Global Technology Operations LLC Catalytic converters with age-suppressing catalysts
US9827562B2 (en) 2015-10-05 2017-11-28 GM Global Technology Operations LLC Catalytic converters with age-suppressing catalysts
US10422036B2 (en) 2015-10-23 2019-09-24 GM Global Technology Operations LLC Suppressing aging of platinum group metal particles in a catalytic converter
US9901907B1 (en) 2016-08-31 2018-02-27 GM Global Technology Operations LLC Catalytic converters with age-suppressing catalysts
US10159960B2 (en) 2016-10-25 2018-12-25 GM Global Technology Operations LLC Catalysts with atomically dispersed platinum group metal complexes
US10035133B2 (en) 2016-10-25 2018-07-31 GM Global Technology Operations LLC Catalysts with atomically dispersed platinum group metal complexes and a barrier disposed between the complexes

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US3993572A (en) * 1972-08-04 1976-11-23 Engelhard Minerals & Chemicals Corporation Rare earth containing catalyst composition
US4165276A (en) * 1977-09-14 1979-08-21 Uop Inc. Hydrocarbon conversion with a superactive multimetallic catalytic composite
US4284531A (en) * 1979-09-05 1981-08-18 Union Oil Co. Of California Methanation catalysts and process for their preparation
DE3223500A1 (de) * 1982-06-24 1983-12-29 Degussa Ag, 6000 Frankfurt Katalysator zur reinigung der abgase von verbrennungskraftmaschinen, verfahren zur herstellung des katalysators und verwendung
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
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
DE3803122C1 (de) * 1988-02-03 1989-07-13 Degussa Ag, 6000 Frankfurt, De
DE58903128D1 (de) * 1989-07-31 1993-02-04 Siemens Ag Anordnung und verfahren zur fehlererkennung bei einem tankentlueftungssystem.
JP2895114B2 (ja) * 1989-11-02 1999-05-24 バブコツク日立株式会社 排ガス浄化用触媒体
DE4003939A1 (de) * 1990-02-09 1991-08-14 Degussa Katalysator fuer die reinigung der abgase von brennkraftmaschinen
US5064803A (en) * 1990-08-31 1991-11-12 Allied-Signal Inc. Preparation of three-way catalysts with highly dispersed ceria
JPH04122441A (ja) * 1990-09-12 1992-04-22 Toyota Motor Corp 排ガス浄化用触媒の製造方法
JPH057778A (ja) * 1991-07-05 1993-01-19 Toyota Motor Corp 排気ガス浄化用触媒の製造方法
JP3433956B2 (ja) * 1992-09-21 2003-08-04 トヨタ自動車株式会社 排気ガス浄化方法
JP3229054B2 (ja) * 1993-01-20 2001-11-12 ダイハツ工業株式会社 排ガス浄化用触媒及びその製造方法
JPH06210174A (ja) * 1993-01-20 1994-08-02 Daihatsu Motor Co Ltd 排ガス浄化用触媒及びその製造方法

Also Published As

Publication number Publication date
EP0695580A3 (de) 1997-07-09
DE69529946T2 (de) 2003-12-24
JP3314897B2 (ja) 2002-08-19
US5866500A (en) 1999-02-02
EP0695580B1 (de) 2003-03-19
JPH0838897A (ja) 1996-02-13
EP0695580A2 (de) 1996-02-07

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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)
8339 Ceased/non-payment of the annual fee