DK0428753T3 - Katalysator til rensning af udstødningsgas med udmærket varmebestandighed samt fremgangsmåde til dens fremstilling - Google Patents

Katalysator til rensning af udstødningsgas med udmærket varmebestandighed samt fremgangsmåde til dens fremstilling

Info

Publication number
DK0428753T3
DK0428753T3 DK90908628.2T DK90908628T DK0428753T3 DK 0428753 T3 DK0428753 T3 DK 0428753T3 DK 90908628 T DK90908628 T DK 90908628T DK 0428753 T3 DK0428753 T3 DK 0428753T3
Authority
DK
Denmark
Prior art keywords
oxide
exhaust gas
preparation
heat resistance
catalytic converter
Prior art date
Application number
DK90908628.2T
Other languages
Danish (da)
English (en)
Inventor
Masaki Funabiki
Kunihide Kayano
Teiji Yamada
Original Assignee
N E Chemcat 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 N E Chemcat Corp filed Critical N E Chemcat Corp
Application granted granted Critical
Publication of DK0428753T3 publication Critical patent/DK0428753T3/da

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
    • B01J23/63—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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • 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
    • B01J37/0244—Coatings comprising several layers
    • 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
    • B01J37/03—Precipitation; Co-precipitation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/902—Multilayered catalyst
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
DK90908628.2T 1989-06-09 1990-06-08 Katalysator til rensning af udstødningsgas med udmærket varmebestandighed samt fremgangsmåde til dens fremstilling DK0428753T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14549189 1989-06-09

Publications (1)

Publication Number Publication Date
DK0428753T3 true DK0428753T3 (da) 1995-07-03

Family

ID=15386495

Family Applications (2)

Application Number Title Priority Date Filing Date
DK90908628.2T DK0428753T3 (da) 1989-06-09 1990-06-08 Katalysator til rensning af udstødningsgas med udmærket varmebestandighed samt fremgangsmåde til dens fremstilling
DK90908627.4T DK0428752T3 (da) 1989-06-09 1990-06-08 Udstødningsgasrensningskatalysator med fortrinlig termisk bestandighed og fremgangsmåde til fremstilling deraf

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK90908627.4T DK0428752T3 (da) 1989-06-09 1990-06-08 Udstødningsgasrensningskatalysator med fortrinlig termisk bestandighed og fremgangsmåde til fremstilling deraf

Country Status (8)

Country Link
US (2) US5147842A (de)
EP (2) EP0428752B1 (de)
JP (1) JP2858945B2 (de)
AT (2) ATE110586T1 (de)
DE (2) DE69018571T2 (de)
DK (2) DK0428753T3 (de)
ES (2) ES2071099T3 (de)
WO (2) WO1990014888A1 (de)

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US6521440B1 (en) 1997-09-15 2003-02-18 Genencor International, Inc. Proteases from gram-positive organisms
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US6129898A (en) * 1998-08-17 2000-10-10 Ford Global Technologies, Inc. NOx trap catalyst for lean burn engines
JP2000167402A (ja) 1998-12-09 2000-06-20 Daihatsu Motor Co Ltd 排気ガス浄化用触媒
JP4382180B2 (ja) * 1998-11-06 2009-12-09 株式会社キャタラー 排ガス浄化用触媒
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JP4584555B2 (ja) * 2002-10-17 2010-11-24 株式会社デンソー セラミック触媒体
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JP4648089B2 (ja) * 2005-05-27 2011-03-09 株式会社キャタラー 排ガス浄化用触媒
JP5021188B2 (ja) * 2005-08-01 2012-09-05 株式会社キャタラー 排ガス浄化用触媒
JP5322526B2 (ja) * 2008-07-17 2013-10-23 エヌ・イーケムキャット株式会社 自動車から排出される排気ガスを浄化するためのハニカム構造型触媒及びその製造方法、並びに、その触媒を使用した排気ガス浄化方法
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Also Published As

Publication number Publication date
WO1990014887A1 (en) 1990-12-13
ATE120985T1 (de) 1995-04-15
DE69012059D1 (de) 1994-10-06
WO1990014888A1 (en) 1990-12-13
EP0428753B1 (de) 1995-04-12
DE69018571D1 (de) 1995-05-18
EP0428753A4 (en) 1991-11-21
EP0428753A1 (de) 1991-05-29
ES2071099T3 (es) 1995-06-16
US5147842A (en) 1992-09-15
JP2858945B2 (ja) 1999-02-17
DE69012059T2 (de) 1995-03-02
DK0428752T3 (da) 1994-10-03
DE69018571T2 (de) 1995-09-28
ATE110586T1 (de) 1994-09-15
EP0428752A4 (en) 1991-11-21
US5200384A (en) 1993-04-06
EP0428752A1 (de) 1991-05-29
EP0428752B1 (de) 1994-08-31
ES2058919T3 (es) 1994-11-01

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