MX9206318A - Catalizador termicamente estable de alto desempeño - Google Patents

Catalizador termicamente estable de alto desempeño

Info

Publication number
MX9206318A
MX9206318A MX9206318A MX9206318A MX9206318A MX 9206318 A MX9206318 A MX 9206318A MX 9206318 A MX9206318 A MX 9206318A MX 9206318 A MX9206318 A MX 9206318A MX 9206318 A MX9206318 A MX 9206318A
Authority
MX
Mexico
Prior art keywords
high performance
thermally stable
stable high
performance catalyst
catalyst
Prior art date
Application number
MX9206318A
Other languages
English (en)
Inventor
Joseph C Dettling
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
Publication of MX9206318A publication Critical patent/MX9206318A/es

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
    • 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
    • B01J37/04—Mixing
    • 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
    • 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

Abstract

Una composición catalítica incluye un portador sobre el cual se deposita un material catalítico que puede opcionalmente proporcionarse en recubrimientos discretos en una primera y segunda capa.
MX9206318A 1991-11-04 1992-11-03 Catalizador termicamente estable de alto desempeño MX9206318A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/787,192 US5212142A (en) 1991-11-04 1991-11-04 High performance thermally stable catalyst

Publications (1)

Publication Number Publication Date
MX9206318A true MX9206318A (es) 1993-08-01

Family

ID=25140696

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9206318A MX9206318A (es) 1991-11-04 1992-11-03 Catalizador termicamente estable de alto desempeño

Country Status (4)

Country Link
US (1) US5212142A (es)
MX (1) MX9206318A (es)
WO (1) WO1993009146A2 (es)
ZA (1) ZA928480B (es)

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Also Published As

Publication number Publication date
ZA928480B (en) 1993-06-28
WO1993009146A2 (en) 1993-05-13
US5212142A (en) 1993-05-18
WO1993009146A3 (en) 1993-08-05

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