BR0101208A - Catalisador de camada única de alto desempenho - Google Patents

Catalisador de camada única de alto desempenho

Info

Publication number
BR0101208A
BR0101208A BR0101208-8A BR0101208A BR0101208A BR 0101208 A BR0101208 A BR 0101208A BR 0101208 A BR0101208 A BR 0101208A BR 0101208 A BR0101208 A BR 0101208A
Authority
BR
Brazil
Prior art keywords
catalyst
support
platinum
high performance
single layer
Prior art date
Application number
BR0101208-8A
Other languages
English (en)
Other versions
BR0101208B1 (pt
Inventor
Lothar Mussmann
Dieter Lindner
Martin Votsmeier
Egbert Lox
Homas Kreuzer
Original Assignee
Dmc2 Degussa Metals Catalysts
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 Dmc2 Degussa Metals Catalysts filed Critical Dmc2 Degussa Metals Catalysts
Publication of BR0101208A publication Critical patent/BR0101208A/pt
Publication of BR0101208B1 publication Critical patent/BR0101208B1/pt

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
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • 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
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum
    • 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
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/464—Rhodium
    • 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
    • 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
    • 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 After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

Patente de Invenção: "CATALISADOR DE CAMADA úNICA DEALTO DESEMPENHO". A invenção refere-se a um catalisador decamada única de alto desempenho contendo em uma estruturaportadora inerte um revestimento catalítico composto de platina,ródio e vários óxidos. O catalisador é caracterizado pelo fato dorevestimento catalítico compreender pelo menos um material doprimeiro suporte selecionado do grupo que compreende umaprimeira alumina ativa, óxido misto céria/zircónia rico em céria e umcomponente zircónia, o referido pelo menos um material do primeirosuporte sendo catalisado com uma primeira parte do montante totalde platina do catalisador, e um material do segundo suportecatalisado com uma segunda parte do montante total de platina ecom ródio, o referido material do segundo suporte sendo umasegunda alumina ativa.
BRPI0101208-8A 2000-03-28 2001-03-28 catalisador de camada única de alto desempenho e seus processos de fabricação. BR0101208B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00106611 2000-03-28

Publications (2)

Publication Number Publication Date
BR0101208A true BR0101208A (pt) 2001-10-30
BR0101208B1 BR0101208B1 (pt) 2012-01-10

Family

ID=8168257

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0101208-8A BR0101208B1 (pt) 2000-03-28 2001-03-28 catalisador de camada única de alto desempenho e seus processos de fabricação.

Country Status (17)

Country Link
US (1) US6524992B2 (pt)
JP (1) JP4813677B2 (pt)
KR (1) KR100776186B1 (pt)
CN (1) CN1150983C (pt)
AR (1) AR027724A1 (pt)
AT (1) ATE297805T1 (pt)
AU (1) AU780885B2 (pt)
BR (1) BR0101208B1 (pt)
CA (1) CA2342029C (pt)
CZ (1) CZ20011120A3 (pt)
DE (1) DE50106490T2 (pt)
ES (1) ES2242673T3 (pt)
MX (1) MXPA01003171A (pt)
PL (1) PL346684A1 (pt)
RU (1) RU2279311C2 (pt)
TW (1) TWI290484B (pt)
ZA (1) ZA200102502B (pt)

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Also Published As

Publication number Publication date
KR20010093713A (ko) 2001-10-29
AU780885B2 (en) 2005-04-21
JP4813677B2 (ja) 2011-11-09
KR100776186B1 (ko) 2007-11-16
ZA200102502B (en) 2001-09-28
TWI290484B (en) 2007-12-01
DE50106490T2 (de) 2006-03-30
JP2001310129A (ja) 2001-11-06
AR027724A1 (es) 2003-04-09
CN1150983C (zh) 2004-05-26
ES2242673T3 (es) 2005-11-16
CA2342029A1 (en) 2001-09-28
PL346684A1 (en) 2001-10-08
CA2342029C (en) 2008-08-19
DE50106490D1 (de) 2005-07-21
US20010046941A1 (en) 2001-11-29
MXPA01003171A (es) 2004-07-30
RU2279311C2 (ru) 2006-07-10
AU3133901A (en) 2001-10-04
ATE297805T1 (de) 2005-07-15
CZ20011120A3 (cs) 2002-01-16
BR0101208B1 (pt) 2012-01-10
US6524992B2 (en) 2003-02-25
CN1317366A (zh) 2001-10-17

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