DE69523646D1 - Verfahren zur Herstellung eines Abgasreinigungskatalysators - Google Patents

Verfahren zur Herstellung eines Abgasreinigungskatalysators

Info

Publication number
DE69523646D1
DE69523646D1 DE69523646T DE69523646T DE69523646D1 DE 69523646 D1 DE69523646 D1 DE 69523646D1 DE 69523646 T DE69523646 T DE 69523646T DE 69523646 T DE69523646 T DE 69523646T DE 69523646 D1 DE69523646 D1 DE 69523646D1
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 - Lifetime
Application number
DE69523646T
Other languages
English (en)
Other versions
DE69523646T2 (de
Inventor
Hiromasa 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
Priority claimed from JP6012747A external-priority patent/JPH07171349A/ja
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of DE69523646D1 publication Critical patent/DE69523646D1/de
Application granted granted Critical
Publication of DE69523646T2 publication Critical patent/DE69523646T2/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
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • 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
    • B01J23/70—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
    • B01J23/78—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 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
    • B01J23/70—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
    • 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)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Chemistry (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
DE69523646T 1994-02-04 1995-02-03 Verfahren zur Herstellung eines Abgasreinigungskatalysators Expired - Lifetime DE69523646T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6012747A JPH07171349A (ja) 1993-10-27 1994-02-04 排気ガス浄化方法

Publications (2)

Publication Number Publication Date
DE69523646D1 true DE69523646D1 (de) 2001-12-20
DE69523646T2 DE69523646T2 (de) 2002-08-01

Family

ID=11814021

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69523646T Expired - Lifetime DE69523646T2 (de) 1994-02-04 1995-02-03 Verfahren zur Herstellung eines Abgasreinigungskatalysators

Country Status (2)

Country Link
EP (1) EP0666102B1 (de)
DE (1) DE69523646T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5968462A (en) * 1994-02-04 1999-10-19 Toyota Jidosha Kabushiki Kaisha Process for purifying exhaust gases
GB2303565A (en) * 1995-07-26 1997-02-26 Ford Motor Co Exhaust gas treatment
US6497848B1 (en) 1999-04-02 2002-12-24 Engelhard Corporation Catalytic trap with potassium component and method of using the same
DE60043522D1 (de) 1999-08-20 2010-01-28 Mitsubishi Motors Corp Katalysator zur Reinigung von Abgasen
GB0022786D0 (en) 2000-09-16 2000-11-01 Johnson Matthey Plc NOx-Trap composition
US6756338B2 (en) * 2001-09-19 2004-06-29 Johnson Matthey Public Limited Company Lean NOx trap/conversion catalyst
CN114289036B (zh) * 2022-01-14 2023-05-16 福州大学 一种含稀土元素的硫化物光催化剂及其制备方法和应用

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5536380B2 (de) * 1971-11-12 1980-09-20
GB8519319D0 (en) * 1985-07-31 1985-09-04 Shell Int Research Catalyst
JPH0616852B2 (ja) * 1988-04-19 1994-03-09 新技術事業団 Ｙ−Ｂａ−Ｃｏ系複合酸化物触媒
JPH0741142B2 (ja) * 1991-06-11 1995-05-10 川崎重工業株式会社 道路トンネル換気ガス中の低濃度窒素酸化物の除去方法
US5471836A (en) * 1991-10-14 1995-12-05 Toyota Jidosha Kabushiki Kaisha Exhaust purification device of internal combustion engine
JP2783074B2 (ja) * 1991-10-29 1998-08-06 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE69218183T2 (de) * 1991-12-27 1997-07-31 Toyoda Chuo Kenkyusho Kk Vorrichtung zur emissionsregelung in einem verbrennungsmotor
DE69326417T2 (de) * 1992-06-12 2000-04-13 Toyota Motor Co Ltd Abgasemissionssteuerungssystem für verbrennungsmotoren
JP2605586B2 (ja) * 1992-07-24 1997-04-30 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE4319294C1 (de) * 1993-06-10 1994-05-19 Daimler Benz Ag Verfahren zur Reduzierung von Stickoxiden im Abgas einer Brennkraftmaschine

Also Published As

Publication number Publication date
EP0666102A1 (de) 1995-08-09
EP0666102B1 (de) 2001-11-07
DE69523646T2 (de) 2002-08-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition