CA2053703A1 - Composition de catalyseur servant a purifier les gaz d'echappement, catalyseur servant a purifier les gaz d'echappement, et procede de fabrication connexe - Google Patents

Composition de catalyseur servant a purifier les gaz d'echappement, catalyseur servant a purifier les gaz d'echappement, et procede de fabrication connexe

Info

Publication number
CA2053703A1
CA2053703A1 CA2053703A CA2053703A CA2053703A1 CA 2053703 A1 CA2053703 A1 CA 2053703A1 CA 2053703 A CA2053703 A CA 2053703A CA 2053703 A CA2053703 A CA 2053703A CA 2053703 A1 CA2053703 A1 CA 2053703A1
Authority
CA
Canada
Prior art keywords
catalyst
exhaust gas
purification
producing
composition
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.)
Granted
Application number
CA2053703A
Other languages
English (en)
Other versions
CA2053703C (fr
Inventor
Fumio Abe
Junichi Suzuki
Naomi Noda
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.)
NGK Insulators Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2053703A1 publication Critical patent/CA2053703A1/fr
Application granted granted Critical
Publication of CA2053703C publication Critical patent/CA2053703C/fr
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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
    • B01J29/068—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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0242—Coating followed by 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
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0246—Coatings comprising a zeolite
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
    • 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)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
CA002053703A 1990-11-09 1991-10-18 Composition de catalyseur servant a purifier les gaz d'echappement, catalyseur servant a purifier les gaz d'echappement, et procede de fabrication connexe Expired - Fee Related CA2053703C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2305429A JP2771321B2 (ja) 1990-11-09 1990-11-09 排気ガス浄化用触媒組成物、排気ガス浄化用触媒及びその製造方法
JP2-305429 1990-11-09

Publications (2)

Publication Number Publication Date
CA2053703A1 true CA2053703A1 (fr) 1992-05-10
CA2053703C CA2053703C (fr) 1997-12-09

Family

ID=17945029

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002053703A Expired - Fee Related CA2053703C (fr) 1990-11-09 1991-10-18 Composition de catalyseur servant a purifier les gaz d'echappement, catalyseur servant a purifier les gaz d'echappement, et procede de fabrication connexe

Country Status (7)

Country Link
US (1) US5164350A (fr)
EP (1) EP0485180B1 (fr)
JP (1) JP2771321B2 (fr)
AU (1) AU651143B2 (fr)
CA (1) CA2053703C (fr)
DE (1) DE69105921T2 (fr)
ES (1) ES2068524T3 (fr)

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* Cited by examiner, † Cited by third party
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EP0614692A1 (fr) * 1990-05-03 1994-09-14 Sakai Chemical Industry Co., Ltd., Catalyseurs et procédés pour la dénitration
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DE4206699C2 (de) * 1992-03-04 1996-02-01 Degussa NO¶x¶-Verminderung im mageren Abgas von Kraftfahrzeugmotoren
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JP4098835B2 (ja) * 1993-12-07 2008-06-11 トヨタ自動車株式会社 排気ガス浄化用触媒
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JP3129377B2 (ja) * 1994-08-12 2001-01-29 三菱重工業株式会社 排気ガス浄化用触媒
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EP0755714A3 (fr) * 1995-07-27 1997-03-19 General Motors Corporation Adsorbeur d'hydrocarbures à large gamme et catalyseur de grillage rapide
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JP7340198B2 (ja) 2017-05-31 2023-09-07 国立大学法人北海道大学 機能性構造体及び機能性構造体の製造方法
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Also Published As

Publication number Publication date
EP0485180B1 (fr) 1994-12-14
JP2771321B2 (ja) 1998-07-02
AU8673391A (en) 1992-05-14
EP0485180A1 (fr) 1992-05-13
DE69105921D1 (de) 1995-01-26
AU651143B2 (en) 1994-07-14
JPH04176337A (ja) 1992-06-24
ES2068524T3 (es) 1995-04-16
DE69105921T2 (de) 1995-06-29
CA2053703C (fr) 1997-12-09
US5164350A (en) 1992-11-17

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