IT976205B - Procedimento e catalizzatore per la purificazione di gas di scarico - Google Patents

Procedimento e catalizzatore per la purificazione di gas di scarico

Info

Publication number
IT976205B
IT976205B IT7271109A IT7110972A IT976205B IT 976205 B IT976205 B IT 976205B IT 7271109 A IT7271109 A IT 7271109A IT 7110972 A IT7110972 A IT 7110972A IT 976205 B IT976205 B IT 976205B
Authority
IT
Italy
Prior art keywords
purification
catalyst
procedure
exhaust gas
exhaust
Prior art date
Application number
IT7271109A
Other languages
English (en)
Original Assignee
Mitsui Mining & Smelting Co
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
Priority claimed from JP47002226A external-priority patent/JPS4871388A/ja
Priority claimed from JP47005882A external-priority patent/JPS4875456A/ja
Application filed by Mitsui Mining & Smelting Co filed Critical Mitsui Mining & Smelting Co
Application granted granted Critical
Publication of IT976205B publication Critical patent/IT976205B/it

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
    • 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)
  • Combustion & Propulsion (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)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
IT7271109A 1971-12-28 1972-12-28 Procedimento e catalizzatore per la purificazione di gas di scarico IT976205B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP47002226A JPS4871388A (it) 1971-12-28 1971-12-28
JP47005882A JPS4875456A (it) 1972-01-14 1972-01-14

Publications (1)

Publication Number Publication Date
IT976205B true IT976205B (it) 1974-08-20

Family

ID=26335567

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7271109A IT976205B (it) 1971-12-28 1972-12-28 Procedimento e catalizzatore per la purificazione di gas di scarico

Country Status (3)

Country Link
DE (1) DE2263387A1 (it)
FR (1) FR2170614A5 (it)
IT (1) IT976205B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297328A (en) * 1979-09-28 1981-10-27 Union Carbide Corporation Three-way catalytic process for gaseous streams
DE3405100A1 (de) * 1984-02-14 1985-08-14 Drägerwerk AG, 2400 Lübeck Pt-katalysator auf einem traeger als luftreinigungsmittel

Also Published As

Publication number Publication date
FR2170614A5 (en) 1973-09-14
DE2263387A1 (de) 1973-07-26

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