IT976205B - PROCEDURE AND CATALYST FOR THE PURIFICATION OF EXHAUST GAS - Google Patents

PROCEDURE AND CATALYST FOR THE PURIFICATION OF EXHAUST GAS

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
Italian (it)
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/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
    • 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 PROCEDURE AND CATALYST FOR THE PURIFICATION OF EXHAUST GAS IT976205B (en)

Applications Claiming Priority (2)

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

Publications (1)

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

Family

ID=26335567

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7271109A IT976205B (en) 1971-12-28 1972-12-28 PROCEDURE AND CATALYST FOR THE PURIFICATION OF EXHAUST GAS

Country Status (3)

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

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 (en) * 1984-02-14 1985-08-14 Drägerwerk AG, 2400 Lübeck PT CATALYST ON A CARRIER AS AN AIR PURIFIER

Also Published As

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

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