IT1080900B - OXIDATION-REDUCTION CATALYST FOR COMBUSTION GAS TREATMENT AND ITS MANUFACTURING PROCESS - Google Patents

OXIDATION-REDUCTION CATALYST FOR COMBUSTION GAS TREATMENT AND ITS MANUFACTURING PROCESS

Info

Publication number
IT1080900B
IT1080900B IT24698/77A IT2469877A IT1080900B IT 1080900 B IT1080900 B IT 1080900B IT 24698/77 A IT24698/77 A IT 24698/77A IT 2469877 A IT2469877 A IT 2469877A IT 1080900 B IT1080900 B IT 1080900B
Authority
IT
Italy
Prior art keywords
oxidation
manufacturing process
combustion gas
gas treatment
reduction catalyst
Prior art date
Application number
IT24698/77A
Other languages
Italian (it)
Inventor
Jacqueline Chabot
Raymond Darras
Roger Gabilly
De La Perriere Gisele
Original Assignee
Commissariat Energie Atomique
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 Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Application granted granted Critical
Publication of IT1080900B publication Critical patent/IT1080900B/en

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
    • B01J23/63—Platinum group metals with rare earths or actinides
    • 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
    • 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)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
IT24698/77A 1976-06-17 1977-06-15 OXIDATION-REDUCTION CATALYST FOR COMBUSTION GAS TREATMENT AND ITS MANUFACTURING PROCESS IT1080900B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7618403A FR2354813A1 (en) 1976-06-17 1976-06-17 OXIDO-REDUCTION CATALYST FOR THE TREATMENT OF COMBUSTION GASES AND ITS MANUFACTURING PROCESS

Publications (1)

Publication Number Publication Date
IT1080900B true IT1080900B (en) 1985-05-16

Family

ID=9174525

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24698/77A IT1080900B (en) 1976-06-17 1977-06-15 OXIDATION-REDUCTION CATALYST FOR COMBUSTION GAS TREATMENT AND ITS MANUFACTURING PROCESS

Country Status (8)

Country Link
JP (1) JPS5325291A (en)
CA (1) CA1101398A (en)
DE (1) DE2727198C2 (en)
ES (1) ES459861A1 (en)
FR (1) FR2354813A1 (en)
GB (1) GB1563647A (en)
IT (1) IT1080900B (en)
SE (1) SE438448B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56166925A (en) * 1980-05-26 1981-12-22 Toyota Motor Corp Filter for exhaust gas from internal combustion engine
JPS5868456A (en) * 1981-10-21 1983-04-23 Nippon Kokan Kk <Nkk> Production of clean steel
DE3513726A1 (en) * 1985-04-17 1986-10-23 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING CATALYSTS FOR EXHAUST GAS DETECTING
JP2797306B2 (en) * 1987-03-13 1998-09-17 三菱自動車工業株式会社 Oxygen sensor and air-fuel ratio control device for internal combustion engine using the sensor
JPH067920B2 (en) * 1987-03-31 1994-02-02 株式会社リケン Exhaust gas purification material and exhaust gas purification method
US4791091A (en) * 1987-09-30 1988-12-13 Allied-Signal Inc. Catalyst for treatment of exhaust gases from internal combustion engines and method of manufacturing the catalyst
JP4631360B2 (en) * 2004-09-02 2011-02-16 トヨタ自動車株式会社 Method for producing exhaust gas purification catalyst
US7504085B2 (en) 2005-05-12 2009-03-17 Basf Catalysts Llc Alumina-based perovskite catalysts and catalyst supports

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819536A (en) * 1972-12-26 1974-06-25 Ford Motor Co Process for preparing a catalyst based on ruthenium

Also Published As

Publication number Publication date
FR2354813B1 (en) 1981-04-17
JPS5325291A (en) 1978-03-08
JPS6117544B2 (en) 1986-05-08
SE438448B (en) 1985-04-22
SE7707026L (en) 1977-12-18
DE2727198C2 (en) 1987-01-29
CA1101398A (en) 1981-05-19
DE2727198A1 (en) 1977-12-29
ES459861A1 (en) 1978-08-16
GB1563647A (en) 1980-03-26
FR2354813A1 (en) 1978-01-13

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