ES2145036T3 - Catalizador de oxidacion de monoxido de carbono. - Google Patents

Catalizador de oxidacion de monoxido de carbono.

Info

Publication number
ES2145036T3
ES2145036T3 ES93309782T ES93309782T ES2145036T3 ES 2145036 T3 ES2145036 T3 ES 2145036T3 ES 93309782 T ES93309782 T ES 93309782T ES 93309782 T ES93309782 T ES 93309782T ES 2145036 T3 ES2145036 T3 ES 2145036T3
Authority
ES
Spain
Prior art keywords
catalyst
carbon monoxide
oxidation catalyst
monoxide oxidation
metal oxide
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 - Lifetime
Application number
ES93309782T
Other languages
English (en)
Inventor
Raj Rao Rajaram
John William Hayes
Graham Paul Ansell
Helen Anne Hatcher
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.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
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 Johnson Matthey PLC filed Critical Johnson Matthey PLC
Application granted granted Critical
Publication of ES2145036T3 publication Critical patent/ES2145036T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • 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
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/62—Carbon oxides
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • 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
    • 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
    • B01J23/66—Silver or gold
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

UNA REACCION QUE COMPRENDE LA OXIDACION DE MONOXIDO DE CARBONO EN DIOXIDO DE CARBONO, POR EJEMPLO EN LOS ESCAPES DE LOS VEHICULOS, EMPLEA UN CATALIZADOR COMPUESTO DE OXIDO DE METAL, POR EJEMPLO CERIO, PARTICULAS ENTRE LAS CUALES SE ENCUENTRAN UNIFORMEMENTE INCORPORADAS PARTICULAS DE UN METAL NOBLE, LAS PARTICULAS TIENEN TAN ALTA INTERACCION QUE, SIN PRETRATAMIENTO DE REDUCCION DE HIDROGENO, EL CATALIZADOR EXHIBE LA FORMACION DE LAGUNAS ANIONICAS SOBRE LA SUPERFICIE DEL OXIDO DE METAL A UNA TEMPERATURA INFERIOR QUE LA DEL CORRESPONDIENTE CATALIZADOR PREPARADO MEDIANTE IMPREGNACION. EL CATALIZADOR EMPLEADO SE PREPARA PREFERIBLEMENTE MEDIANTE COPRECIPITACION.
ES93309782T 1992-12-18 1993-12-06 Catalizador de oxidacion de monoxido de carbono. Expired - Lifetime ES2145036T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929226434A GB9226434D0 (en) 1992-12-18 1992-12-18 Catalyst

Publications (1)

Publication Number Publication Date
ES2145036T3 true ES2145036T3 (es) 2000-07-01

Family

ID=10726837

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93309782T Expired - Lifetime ES2145036T3 (es) 1992-12-18 1993-12-06 Catalizador de oxidacion de monoxido de carbono.

Country Status (14)

Country Link
US (2) US5480854A (es)
EP (1) EP0602865B1 (es)
JP (1) JPH06219721A (es)
KR (1) KR940013593A (es)
AT (1) ATE192668T1 (es)
AU (1) AU675463B2 (es)
CA (1) CA2111529C (es)
DE (1) DE69328610T2 (es)
DK (1) DK0602865T3 (es)
ES (1) ES2145036T3 (es)
GB (1) GB9226434D0 (es)
GR (1) GR3033466T3 (es)
PT (1) PT602865E (es)
TW (1) TW341525B (es)

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TW341525B (en) 1998-10-01
GR3033466T3 (en) 2000-09-29
ATE192668T1 (de) 2000-05-15
DK0602865T3 (da) 2000-08-07
DE69328610D1 (de) 2000-06-15
KR940013593A (ko) 1994-07-15
AU675463B2 (en) 1997-02-06
JPH06219721A (ja) 1994-08-09
GB9226434D0 (en) 1993-02-10
CA2111529A1 (en) 1994-06-19
PT602865E (pt) 2000-08-31
US5480854A (en) 1996-01-02
EP0602865B1 (en) 2000-05-10
AU5247493A (en) 1994-06-30
CA2111529C (en) 2006-05-23
DE69328610T2 (de) 2001-01-11
US5993762A (en) 1999-11-30
EP0602865A1 (en) 1994-06-22

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