ATE392944T1 - Katalysatorzusammensetzung zur reinigung von abgasen - Google Patents

Katalysatorzusammensetzung zur reinigung von abgasen

Info

Publication number
ATE392944T1
ATE392944T1 AT01970694T AT01970694T ATE392944T1 AT E392944 T1 ATE392944 T1 AT E392944T1 AT 01970694 T AT01970694 T AT 01970694T AT 01970694 T AT01970694 T AT 01970694T AT E392944 T1 ATE392944 T1 AT E392944T1
Authority
AT
Austria
Prior art keywords
catalyst composition
exhaust gases
purifying exhaust
composite
cerium
Prior art date
Application number
AT01970694T
Other languages
English (en)
Inventor
Shiang Sung
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 ATE392944T1 publication Critical patent/ATE392944T1/de

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/006—Compounds containing, besides zirconium, two or more other elements, with the exception of oxygen or hydrogen
    • 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
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • 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
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • 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)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (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)
AT01970694T 2000-09-15 2001-09-07 Katalysatorzusammensetzung zur reinigung von abgasen ATE392944T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/663,312 US6492297B1 (en) 2000-09-15 2000-09-15 Catalyst composition for purifying exhaust gas

Publications (1)

Publication Number Publication Date
ATE392944T1 true ATE392944T1 (de) 2008-05-15

Family

ID=24661276

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01970694T ATE392944T1 (de) 2000-09-15 2001-09-07 Katalysatorzusammensetzung zur reinigung von abgasen

Country Status (12)

Country Link
US (2) US6492297B1 (de)
EP (1) EP1333909B1 (de)
JP (1) JP4292005B2 (de)
KR (1) KR100795267B1 (de)
AT (1) ATE392944T1 (de)
AU (1) AU2001290673A1 (de)
DE (1) DE60133760T2 (de)
DK (1) DK1333909T3 (de)
ES (1) ES2305105T3 (de)
PT (1) PT1333909E (de)
WO (1) WO2002022242A1 (de)
ZA (1) ZA200302090B (de)

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Also Published As

Publication number Publication date
KR20030034185A (ko) 2003-05-01
US6492297B1 (en) 2002-12-10
WO2002022242A1 (en) 2002-03-21
EP1333909A1 (de) 2003-08-13
JP2004508186A (ja) 2004-03-18
JP4292005B2 (ja) 2009-07-08
ZA200302090B (en) 2004-02-16
PT1333909E (pt) 2008-06-16
DK1333909T3 (da) 2008-07-14
AU2001290673A1 (en) 2002-03-26
US20030083194A1 (en) 2003-05-01
DE60133760D1 (de) 2008-06-05
ES2305105T3 (es) 2008-11-01
DE60133760T2 (de) 2009-07-02
US7041263B2 (en) 2006-05-09
KR100795267B1 (ko) 2008-01-15
EP1333909B1 (de) 2008-04-23

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