GB1558167A - Gas purification catalysts - Google Patents

Gas purification catalysts

Info

Publication number
GB1558167A
GB1558167A GB20832/75A GB2083275A GB1558167A GB 1558167 A GB1558167 A GB 1558167A GB 20832/75 A GB20832/75 A GB 20832/75A GB 2083275 A GB2083275 A GB 2083275A GB 1558167 A GB1558167 A GB 1558167A
Authority
GB
United Kingdom
Prior art keywords
gas purification
purification catalysts
catalysts
gas
purification
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
Application number
GB20832/75A
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
Priority to GB20832/75A priority Critical patent/GB1558167A/en
Publication of GB1558167A publication Critical patent/GB1558167A/en
Expired legal-status Critical Current

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
    • B01J23/54—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
    • 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
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/652—Chromium, molybdenum or tungsten
    • B01J23/6527—Tungsten
    • 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
    • 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
GB20832/75A 1976-06-30 1976-06-30 Gas purification catalysts Expired GB1558167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB20832/75A GB1558167A (en) 1976-06-30 1976-06-30 Gas purification catalysts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20832/75A GB1558167A (en) 1976-06-30 1976-06-30 Gas purification catalysts

Publications (1)

Publication Number Publication Date
GB1558167A true GB1558167A (en) 1979-12-19

Family

ID=10152457

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20832/75A Expired GB1558167A (en) 1976-06-30 1976-06-30 Gas purification catalysts

Country Status (1)

Country Link
GB (1) GB1558167A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056729A2 (en) * 1981-01-20 1982-07-28 Johnson Matthey Public Limited Company Catalysts
EP0070736A1 (en) * 1981-07-20 1983-01-26 Ford Motor Company Limited Exhaust gas catalyst
FR2556236A1 (en) * 1983-12-09 1985-06-14 Pro Catalyse PROCESS FOR MANUFACTURING A CATALYST FOR THE TREATMENT OF EXHAUST GASES
EP0499402A1 (en) * 1991-02-15 1992-08-19 Philip Morris Products Inc. Conversion of carbon monoxide using mixed transition metal oxide catalysts
EP0501364A1 (en) * 1991-03-01 1992-09-02 The Minister Of National Defence Of Her Majesty's Canadian Government Low chromium active charcoal

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056729A2 (en) * 1981-01-20 1982-07-28 Johnson Matthey Public Limited Company Catalysts
EP0056729A3 (en) * 1981-01-20 1982-08-11 Johnson Matthey Public Limited Company Catalysts
US4500650A (en) * 1981-01-20 1985-02-19 Johnson Matthey Public Limited Company Three-way catalysts for purification of exhaust gas and method for the preparation of the catalysts
EP0070736A1 (en) * 1981-07-20 1983-01-26 Ford Motor Company Limited Exhaust gas catalyst
FR2556236A1 (en) * 1983-12-09 1985-06-14 Pro Catalyse PROCESS FOR MANUFACTURING A CATALYST FOR THE TREATMENT OF EXHAUST GASES
EP0145584A2 (en) * 1983-12-09 1985-06-19 Société Française des Produits pour Catalyse "PRO-CATALYSE" Catalytic process for the treatment of exhaust gases
EP0145584A3 (en) * 1983-12-09 1985-07-03 Societe Francaise Des Produits Pour Catalyse "Pro-Catalyse" Method of manufacturing a catalyst for the treatment of exhaust gases
EP0499402A1 (en) * 1991-02-15 1992-08-19 Philip Morris Products Inc. Conversion of carbon monoxide using mixed transition metal oxide catalysts
EP0501364A1 (en) * 1991-03-01 1992-09-02 The Minister Of National Defence Of Her Majesty's Canadian Government Low chromium active charcoal

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee