CA1029360A - Catalyst reducing the toxic contaminants of combustion engine exhaust gas - Google Patents

Catalyst reducing the toxic contaminants of combustion engine exhaust gas

Info

Publication number
CA1029360A
CA1029360A CA214,138A CA214138A CA1029360A CA 1029360 A CA1029360 A CA 1029360A CA 214138 A CA214138 A CA 214138A CA 1029360 A CA1029360 A CA 1029360A
Authority
CA
Canada
Prior art keywords
exhaust gas
combustion engine
engine exhaust
toxic contaminants
catalyst reducing
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
CA214,138A
Other languages
French (fr)
Inventor
Jurgen Stenzel
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 DE19732358664 external-priority patent/DE2358664C3/en
Application filed by Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA1029360A publication Critical patent/CA1029360A/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
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/889—Manganese, technetium or rhenium
    • B01J23/8892—Manganese
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8986—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with manganese, technetium or rhenium
    • B01J35/56—
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • 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
CA214,138A 1973-11-24 1974-11-19 Catalyst reducing the toxic contaminants of combustion engine exhaust gas Expired CA1029360A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732358664 DE2358664C3 (en) 1973-11-24 Catalyst for reducing the toxic components in the exhaust gas from internal combustion engines

Publications (1)

Publication Number Publication Date
CA1029360A true CA1029360A (en) 1978-04-11

Family

ID=5898998

Family Applications (1)

Application Number Title Priority Date Filing Date
CA214,138A Expired CA1029360A (en) 1973-11-24 1974-11-19 Catalyst reducing the toxic contaminants of combustion engine exhaust gas

Country Status (17)

Country Link
JP (1) JPS5084484A (en)
AT (1) AT339868B (en)
BE (1) BE822503A (en)
BR (1) BR7409806A (en)
CA (1) CA1029360A (en)
CH (1) CH603995A5 (en)
CS (1) CS193039B2 (en)
DD (1) DD115048A5 (en)
DK (1) DK608574A (en)
FR (1) FR2252487B1 (en)
GB (1) GB1465986A (en)
IL (1) IL46006A (en)
IT (1) IT1023341B (en)
NL (1) NL7415137A (en)
PL (1) PL96832B1 (en)
RO (1) RO63718A (en)
SE (1) SE407157B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312890A1 (en) * 1983-04-11 1984-10-11 Zbigniew Dr. 6078 Neu-Isenburg Boguslawski METHOD AND DEVICE FOR PURIFYING COMBUSTION GASES FROM EXAMPLE HOUSEHOLD HEATERS, COMBUSTION ENGINES OR THE LIKE. FIREPLACES

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5338714B2 (en) * 1971-10-04 1978-10-17
DE2157625C3 (en) * 1971-11-20 1980-06-19 Hoechst Ag, 6000 Frankfurt Support catalyst

Also Published As

Publication number Publication date
BR7409806A (en) 1976-05-25
DE2358664A1 (en) 1975-05-28
DD115048A5 (en) 1975-09-12
JPS5084484A (en) 1975-07-08
DE2358664B2 (en) 1975-10-30
SE407157B (en) 1979-03-19
CH603995A5 (en) 1978-08-31
FR2252487B1 (en) 1980-04-11
PL96832B1 (en) 1978-01-31
AT339868B (en) 1977-11-10
SE7414660L (en) 1975-05-26
IL46006A0 (en) 1975-02-10
GB1465986A (en) 1977-03-02
IL46006A (en) 1977-05-31
DK608574A (en) 1975-07-21
IT1023341B (en) 1978-05-10
FR2252487A1 (en) 1975-06-20
CS193039B2 (en) 1979-09-17
ATA937874A (en) 1977-03-15
RO63718A (en) 1978-10-15
NL7415137A (en) 1975-05-27
BE822503A (en) 1975-05-22

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