JPS4952171A - - Google Patents

Info

Publication number
JPS4952171A
JPS4952171A JP48065966A JP6596673A JPS4952171A JP S4952171 A JPS4952171 A JP S4952171A JP 48065966 A JP48065966 A JP 48065966A JP 6596673 A JP6596673 A JP 6596673A JP S4952171 A JPS4952171 A JP S4952171A
Authority
JP
Japan
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.)
Pending
Application number
JP48065966A
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 filed Critical
Publication of JPS4952171A publication Critical patent/JPS4952171A/ja
Pending 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
    • 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)
  • 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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP48065966A 1972-06-14 1973-06-13 Pending JPS4952171A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26274672A 1972-06-14 1972-06-14

Publications (1)

Publication Number Publication Date
JPS4952171A true JPS4952171A (ja) 1974-05-21

Family

ID=22998850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48065966A Pending JPS4952171A (ja) 1972-06-14 1973-06-13

Country Status (5)

Country Link
JP (1) JPS4952171A (ja)
DE (1) DE2329611A1 (ja)
FR (1) FR2188679A5 (ja)
GB (1) GB1383896A (ja)
IT (1) IT985412B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3023943C2 (de) * 1979-06-27 1982-12-02 UOP Inc., 60016 Des Plaines, Ill. Verfahren zur Umwandlung von Kohlenmonoxid, Kohlenwasserstoffen und Stickstoffoxiden im heißen Abgas eines Verbrennungsmotors

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2045487A1 (de) * 1969-09-16 1971-03-25 Johnson Matthey Co Ltd Verfahren und Katalysator zur Reinigung von Gasen
JPS4839362A (ja) * 1971-09-25 1973-06-09
JPS4863985A (ja) * 1971-11-22 1973-09-05
US3801697A (en) * 1972-03-02 1974-04-02 Gulf Research Development Co Process for reducing the content of nitrogen oxides in the exhaust gases from internal combustion engines
JPS4947243A (ja) * 1972-04-17 1974-05-07

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2045487A1 (de) * 1969-09-16 1971-03-25 Johnson Matthey Co Ltd Verfahren und Katalysator zur Reinigung von Gasen
JPS4839362A (ja) * 1971-09-25 1973-06-09
JPS4863985A (ja) * 1971-11-22 1973-09-05
US3801697A (en) * 1972-03-02 1974-04-02 Gulf Research Development Co Process for reducing the content of nitrogen oxides in the exhaust gases from internal combustion engines
JPS4947243A (ja) * 1972-04-17 1974-05-07

Also Published As

Publication number Publication date
FR2188679A5 (ja) 1974-01-18
GB1383896A (en) 1974-02-12
IT985412B (it) 1974-11-30
DE2329611A1 (de) 1974-01-03

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