CA1007034A - Catalytic removal of nitrogen oxides from internal combustion engine exhaust gases - Google Patents

Catalytic removal of nitrogen oxides from internal combustion engine exhaust gases

Info

Publication number
CA1007034A
CA1007034A CA164,886A CA164886A CA1007034A CA 1007034 A CA1007034 A CA 1007034A CA 164886 A CA164886 A CA 164886A CA 1007034 A CA1007034 A CA 1007034A
Authority
CA
Canada
Prior art keywords
combustion engine
internal combustion
exhaust gases
nitrogen oxides
engine exhaust
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
CA164,886A
Other versions
CA164886S (en
Inventor
Tadeusz P. Kobylinski
Brian W. Taylor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gulf Research and Development Co
Original Assignee
Gulf Research and Development 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
Application filed by Gulf Research and Development Co filed Critical Gulf Research and Development Co
Application granted granted Critical
Publication of CA1007034A publication Critical patent/CA1007034A/en
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
    • 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
CA164,886A 1972-03-20 1973-02-20 Catalytic removal of nitrogen oxides from internal combustion engine exhaust gases Expired CA1007034A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23616572A 1972-03-20 1972-03-20

Publications (1)

Publication Number Publication Date
CA1007034A true CA1007034A (en) 1977-03-22

Family

ID=22888396

Family Applications (1)

Application Number Title Priority Date Filing Date
CA164,886A Expired CA1007034A (en) 1972-03-20 1973-02-20 Catalytic removal of nitrogen oxides from internal combustion engine exhaust gases

Country Status (5)

Country Link
JP (1) JPS495860A (en)
CA (1) CA1007034A (en)
DE (1) DE2313700A1 (en)
FR (1) FR2177330A5 (en)
IT (1) IT979898B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4981659A (en) * 1988-12-14 1991-01-01 Atomic Energy Of Canada Limited Reduction of nitrogen oxides

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4981659A (en) * 1988-12-14 1991-01-01 Atomic Energy Of Canada Limited Reduction of nitrogen oxides

Also Published As

Publication number Publication date
IT979898B (en) 1974-09-30
DE2313700A1 (en) 1973-10-04
JPS495860A (en) 1974-01-19
FR2177330A5 (en) 1973-11-02

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