DE3688537D1 - Katalysatorzusammensetzungen zur anwendung bei hohen temperaturen fuer verbrennungsmotoren. - Google Patents

Katalysatorzusammensetzungen zur anwendung bei hohen temperaturen fuer verbrennungsmotoren.

Info

Publication number
DE3688537D1
DE3688537D1 DE8686302704T DE3688537T DE3688537D1 DE 3688537 D1 DE3688537 D1 DE 3688537D1 DE 8686302704 T DE8686302704 T DE 8686302704T DE 3688537 T DE3688537 T DE 3688537T DE 3688537 D1 DE3688537 D1 DE 3688537D1
Authority
DE
Germany
Prior art keywords
particles
high temperatures
combustion engines
catalyst compositions
thermally stable
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
DE8686302704T
Other languages
English (en)
Other versions
DE3688537T2 (de
Inventor
Wan Chung-Zong
Joseph C Dettling
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.)
BASF Catalysts LLC
Original Assignee
Engelhard 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 Engelhard Corp filed Critical Engelhard Corp
Application granted granted Critical
Publication of DE3688537D1 publication Critical patent/DE3688537D1/de
Publication of DE3688537T2 publication Critical patent/DE3688537T2/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
    • B01J23/54—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
    • 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
    • B01J37/0248—Coatings comprising impregnated particles
    • 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
    • B01J37/04—Mixing
    • 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)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE86302704T 1985-04-12 1986-04-11 Katalysatorzusammensetzungen zur Anwendung bei hohen Temperaturen für Verbrennungsmotoren. Expired - Fee Related DE3688537T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/722,905 US4624940A (en) 1985-04-12 1985-04-12 High temperature catalyst compositions for internal combustion engine

Publications (2)

Publication Number Publication Date
DE3688537D1 true DE3688537D1 (de) 1993-07-15
DE3688537T2 DE3688537T2 (de) 1994-01-13

Family

ID=24903911

Family Applications (1)

Application Number Title Priority Date Filing Date
DE86302704T Expired - Fee Related DE3688537T2 (de) 1985-04-12 1986-04-11 Katalysatorzusammensetzungen zur Anwendung bei hohen Temperaturen für Verbrennungsmotoren.

Country Status (8)

Country Link
US (1) US4624940A (de)
EP (1) EP0199509B1 (de)
JP (1) JPH0651116B2 (de)
CN (1) CN86102130A (de)
AT (1) ATE90226T1 (de)
AU (1) AU588032B2 (de)
CA (1) CA1262123A (de)
DE (1) DE3688537T2 (de)

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JP3285857B2 (ja) * 1989-07-06 2002-05-27 マツダ株式会社 排気ガス浄化用触媒
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DE69636789T2 (de) * 1995-12-27 2007-10-11 Ict Co. Ltd. Reinigungskatalysator für Verbrennungsmotorabgas
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US20010026838A1 (en) * 1996-06-21 2001-10-04 Engelhard Corporation Monolithic catalysts and related process for manufacture
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US5948723A (en) * 1996-09-04 1999-09-07 Engelhard Corporation Layered catalyst composite
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DE19714536A1 (de) * 1997-04-09 1998-10-15 Degussa Autoabgaskatalysator
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US6110862A (en) * 1998-05-07 2000-08-29 Engelhard Corporation Catalytic material having improved conversion performance
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JP4878099B2 (ja) * 2000-09-20 2012-02-15 大倉工業株式会社 熱可塑性樹脂配合用燃焼促進剤およびそれを配合したごみ袋または買い物袋
US20030175192A1 (en) * 2001-01-26 2003-09-18 Engelhard Corporation SOx trap for enhancing NOx trap performance and methods of making and using the same
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JP2003164760A (ja) * 2001-11-29 2003-06-10 Denso Corp セラミック触媒体
WO2004000454A1 (en) * 2002-06-20 2003-12-31 The Regents Of The University Of California Supported metal catalyst with improved thermal stability
JP4079717B2 (ja) * 2002-08-05 2008-04-23 株式会社日本自動車部品総合研究所 セラミック触媒体
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Also Published As

Publication number Publication date
AU5604186A (en) 1986-10-16
JPH0651116B2 (ja) 1994-07-06
DE3688537T2 (de) 1994-01-13
ATE90226T1 (de) 1993-06-15
CA1262123A (en) 1989-10-03
US4624940A (en) 1986-11-25
EP0199509A2 (de) 1986-10-29
EP0199509B1 (de) 1993-06-09
EP0199509A3 (en) 1988-07-20
JPS61238341A (ja) 1986-10-23
CN86102130A (zh) 1986-10-08
AU588032B2 (en) 1989-09-07

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