DE69633889D1 - Katalysator zur Reinigung von Abgasen - Google Patents

Katalysator zur Reinigung von Abgasen

Info

Publication number
DE69633889D1
DE69633889D1 DE69633889T DE69633889T DE69633889D1 DE 69633889 D1 DE69633889 D1 DE 69633889D1 DE 69633889 T DE69633889 T DE 69633889T DE 69633889 T DE69633889 T DE 69633889T DE 69633889 D1 DE69633889 D1 DE 69633889D1
Authority
DE
Germany
Prior art keywords
exhaust gas
gas purification
purification catalyst
catalyst
exhaust
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
Application number
DE69633889T
Other languages
English (en)
Other versions
DE69633889T2 (de
Inventor
Koiti Yamasita
Masahiko Sugiyama
Mikio Murachi
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
Publication of DE69633889D1 publication Critical patent/DE69633889D1/de
Application granted granted Critical
Publication of DE69633889T2 publication Critical patent/DE69633889T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B01J23/58—Platinum group metals with alkali- or alkaline earth 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
    • B01J23/38—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
    • 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
    • B01J23/8933—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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/894—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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • 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
DE69633889T 1995-07-20 1996-07-19 Katalysator zur Reinigung von Abgasen Expired - Lifetime DE69633889T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP18413495 1995-07-20
JP18413495 1995-07-20
JP9432796 1996-04-16
JP9432796 1996-04-16
JP18446596A JP3304771B2 (ja) 1995-07-20 1996-07-15 排ガス浄化用触媒
JP18446596 1996-07-15

Publications (2)

Publication Number Publication Date
DE69633889D1 true DE69633889D1 (de) 2004-12-30
DE69633889T2 DE69633889T2 (de) 2005-11-03

Family

ID=27307521

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69633889T Expired - Lifetime DE69633889T2 (de) 1995-07-20 1996-07-19 Katalysator zur Reinigung von Abgasen

Country Status (4)

Country Link
US (1) US5906959A (de)
EP (1) EP0754494B1 (de)
JP (1) JP3304771B2 (de)
DE (1) DE69633889T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6217837B1 (en) * 1998-11-02 2001-04-17 Ford Global Technologies, Inc. Use of sol-gel processed alumina-based metal oxides for absorbing nitrogen oxides in oxidizing exhaust gas
US6143272A (en) * 1998-12-18 2000-11-07 Ford Global Technologies, Inc. Sol-gel processed metal-zirconia materials
JP3575307B2 (ja) * 1998-12-28 2004-10-13 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
US6165932A (en) * 1999-01-11 2000-12-26 Ford Global Technologies, Inc. Transition metal oxides useful in fabrication of NOx absorbent formulations
US6146602A (en) * 1999-02-08 2000-11-14 Ford Global Technologies, Inc. Mesoporous oxide molecular sieves for absorbing nitrogen oxides in oxidizing engine exhaust gas
JP3757715B2 (ja) * 1999-11-09 2006-03-22 トヨタ自動車株式会社 排気ガス浄化用触媒
JP5106748B2 (ja) * 2004-11-08 2012-12-26 株式会社キャタラー 排ガス浄化用触媒
DE102005004670B4 (de) * 2005-02-02 2007-05-24 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Verfahren zur Diagnose des Alterungsgrades eines im Abgaskanal einer Brennkraftmaschine angeordneten Katalysators
EP1854538A4 (de) * 2005-03-04 2011-06-08 Daihatsu Motor Co Ltd Katalysatorzusammensetzung
JP4979900B2 (ja) 2005-06-16 2012-07-18 株式会社キャタラー 排ガス浄化用触媒
JP2006346603A (ja) * 2005-06-16 2006-12-28 Cataler Corp 触媒組成物
JP5216189B2 (ja) 2005-12-22 2013-06-19 株式会社キャタラー 排ガス浄化用触媒
JP4435750B2 (ja) * 2006-03-30 2010-03-24 株式会社キャタラー 排ガス浄化用触媒及びその製造方法
JP4831753B2 (ja) * 2006-06-13 2011-12-07 株式会社豊田中央研究所 排ガス浄化用触媒
CN101460243B (zh) 2006-07-05 2012-11-21 卡塔勒公司 排气净化用催化剂及其制造方法
JP5533783B2 (ja) * 2011-05-19 2014-06-25 トヨタ自動車株式会社 内燃機関の排気浄化用触媒
JP2014069151A (ja) * 2012-09-28 2014-04-21 Daihatsu Motor Co Ltd 排ガス浄化用触媒
JP2020131125A (ja) * 2019-02-20 2020-08-31 三菱重工業株式会社 脱硝触媒、および脱硝装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1568370A (en) * 1975-10-31 1980-05-29 Johnson Matthey Co Ltd Catalysis
US4134852A (en) * 1977-09-02 1979-01-16 The International Nickel Company, Inc. Process for preparing mixed metal oxide catalysts
US4522706A (en) * 1982-06-16 1985-06-11 Exxon Research & Engineering Co. Hydrocarbon treating processes using perovskite-containing catalytic compositions
JPS6133232A (ja) * 1984-07-25 1986-02-17 Matsushita Electric Ind Co Ltd 触媒燃焼用酸化触媒
JPS62277150A (ja) 1986-05-26 1987-12-02 Toyota Motor Corp 排ガス浄化用触媒
JP2768946B2 (ja) * 1988-04-13 1998-06-25 東洋シーシーアイ株式会社 耐熱性貴金属触媒及びその製造方法
FR2665089B1 (fr) * 1990-07-25 1993-11-19 Stts Catalyseurs de post-combustion.
GB2248194B (en) * 1990-09-25 1994-11-09 Riken Kk Catalyst for cleaning exhaust gas
JP3285614B2 (ja) * 1992-07-30 2002-05-27 日本碍子株式会社 排ガス浄化用触媒及びその製造方法

Also Published As

Publication number Publication date
EP0754494A3 (de) 1997-02-05
US5906959A (en) 1999-05-25
EP0754494B1 (de) 2004-11-24
DE69633889T2 (de) 2005-11-03
EP0754494A2 (de) 1997-01-22
JPH10358A (ja) 1998-01-06
JP3304771B2 (ja) 2002-07-22

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