CA1067060A - Catalyseur d'equilibre - Google Patents

Catalyseur d'equilibre

Info

Publication number
CA1067060A
CA1067060A CA254,473A CA254473A CA1067060A CA 1067060 A CA1067060 A CA 1067060A CA 254473 A CA254473 A CA 254473A CA 1067060 A CA1067060 A CA 1067060A
Authority
CA
Canada
Prior art keywords
catalyst
ppm
present
oxygen
amount
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
CA254,473A
Other languages
English (en)
Inventor
Haren S. Gandhi
Mordecai Shelef
Original Assignee
Ford Motor Company of Canada Ltd
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 Ford Motor Company of Canada Ltd filed Critical Ford Motor Company of Canada Ltd
Application granted granted Critical
Publication of CA1067060A publication Critical patent/CA1067060A/fr
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
    • 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
    • B01J23/656—Manganese, technetium or rhenium
    • B01J23/6567—Rhenium
    • 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)
  • 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)
CA254,473A 1975-08-25 1976-06-09 Catalyseur d'equilibre Expired CA1067060A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60765975A 1975-08-25 1975-08-25

Publications (1)

Publication Number Publication Date
CA1067060A true CA1067060A (fr) 1979-11-27

Family

ID=24433163

Family Applications (1)

Application Number Title Priority Date Filing Date
CA254,473A Expired CA1067060A (fr) 1975-08-25 1976-06-09 Catalyseur d'equilibre

Country Status (4)

Country Link
JP (1) JPS5227087A (fr)
CA (1) CA1067060A (fr)
DE (1) DE2638300C2 (fr)
GB (1) GB1558004A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5387920A (en) * 1977-01-13 1978-08-02 Sumitomo Metal Ind Ltd Manufacture of normalized steel plate preventable from weld cracking
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
EP0070736B1 (fr) * 1981-07-20 1985-07-10 Ford Motor Company Limited Catalysateur pour gaz d'échappement
JPS5884925A (ja) * 1981-11-13 1983-05-21 Kawasaki Steel Corp 電縫鋼管の熱処理方法
JPS60181254A (ja) * 1984-02-20 1985-09-14 Kawasaki Steel Corp 耐溶融亜鉛めっき割れ性に優れる溶接構造物用高張力圧延鋼材
GB8501012D0 (en) * 1985-01-16 1985-02-20 Gen Electric Co Plc Automated vehicle drift correction
US5085841A (en) * 1990-07-13 1992-02-04 Robinson Barnett J Method for reduction of pollution from combustion chambers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2214604C3 (de) * 1972-03-25 1975-06-12 Deutsche Gold- U. Silber-Scheideanstalt, Vormals Roessler, 6000 Frankfurt Verfahren zur Herstellung verbesserter Abgasreinigungs-Katalysatoren

Also Published As

Publication number Publication date
DE2638300A1 (de) 1977-03-10
GB1558004A (en) 1979-12-19
DE2638300C2 (de) 1986-02-27
JPS5227087A (en) 1977-03-01

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