FR2194479A1 - Catalyst system for oxidn of combustion gases - contg oxides of copper, chromium and a rare earth metal, and platinum or palladium on catalytically active, refractory carrier - Google Patents

Catalyst system for oxidn of combustion gases - contg oxides of copper, chromium and a rare earth metal, and platinum or palladium on catalytically active, refractory carrier

Info

Publication number
FR2194479A1
FR2194479A1 FR7327966A FR7327966A FR2194479A1 FR 2194479 A1 FR2194479 A1 FR 2194479A1 FR 7327966 A FR7327966 A FR 7327966A FR 7327966 A FR7327966 A FR 7327966A FR 2194479 A1 FR2194479 A1 FR 2194479A1
Authority
FR
France
Prior art keywords
contg
catalyst system
oxidn
palladium
platinum
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.)
Withdrawn
Application number
FR7327966A
Other languages
French (fr)
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.)
Engelhard Minerals and Chemicals Corp
Original Assignee
Engelhard Minerals and Chemicals 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 Minerals and Chemicals Corp filed Critical Engelhard Minerals and Chemicals Corp
Publication of FR2194479A1 publication Critical patent/FR2194479A1/en
Withdrawn legal-status Critical Current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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8993—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with chromium, molybdenum or tungsten
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (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)

Abstract

Catalyst system pref. contg. 5-10% CeO2, 1-5% CuO, 4-10% Cr2O3 and 0.02% Pt or Pd, the remainder being the carrier, pref. alumina, is highly effective with respect to oxidation of gases produced by combustion of hydrocarbon fuels, it has good stability at high temps. and long service life.
FR7327966A 1972-08-04 1973-07-31 Catalyst system for oxidn of combustion gases - contg oxides of copper, chromium and a rare earth metal, and platinum or palladium on catalytically active, refractory carrier Withdrawn FR2194479A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27808372A 1972-08-04 1972-08-04

Publications (1)

Publication Number Publication Date
FR2194479A1 true FR2194479A1 (en) 1974-03-01

Family

ID=23063611

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7327966A Withdrawn FR2194479A1 (en) 1972-08-04 1973-07-31 Catalyst system for oxidn of combustion gases - contg oxides of copper, chromium and a rare earth metal, and platinum or palladium on catalytically active, refractory carrier

Country Status (6)

Country Link
AU (1) AU5876973A (en)
BR (1) BR7305945D0 (en)
DD (1) DD107603A5 (en)
DE (1) DE2339512A1 (en)
FR (1) FR2194479A1 (en)
IT (1) IT990134B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498086A2 (en) * 1979-06-22 1982-07-23 Renault Alloy with high catalytic activity - stabilised by cpds. such as thorium di:oxide and cerium di:oxide, and used for treating motor vehicle exhaust gas

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100413581C (en) * 2005-08-15 2008-08-27 中国石油化工股份有限公司 Catalyst for preparing cinnamene through ethyl benzene dehydrogenation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498086A2 (en) * 1979-06-22 1982-07-23 Renault Alloy with high catalytic activity - stabilised by cpds. such as thorium di:oxide and cerium di:oxide, and used for treating motor vehicle exhaust gas

Also Published As

Publication number Publication date
BR7305945D0 (en) 1974-05-16
AU5876973A (en) 1975-02-06
DD107603A5 (en) 1974-08-12
IT990134B (en) 1975-06-20
DE2339512A1 (en) 1974-02-21

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Legal Events

Date Code Title Description
ST Notification of lapse