CH603995A5 - - Google Patents

Info

Publication number
CH603995A5
CH603995A5 CH1343474A CH1343474A CH603995A5 CH 603995 A5 CH603995 A5 CH 603995A5 CH 1343474 A CH1343474 A CH 1343474A CH 1343474 A CH1343474 A CH 1343474A CH 603995 A5 CH603995 A5 CH 603995A5
Authority
CH
Switzerland
Application number
CH1343474A
Inventor
Juergen Dr Stenzel
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/de
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of CH603995A5 publication Critical patent/CH603995A5/xx

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
CH1343474A 1973-11-24 1974-10-07 CH603995A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732358664 DE2358664C3 (de) 1973-11-24 Katalysator zur Verminderung der toxischen Bestandteile im Abgas von Verbrennungsmotoren

Publications (1)

Publication Number Publication Date
CH603995A5 true CH603995A5 (xx) 1978-08-31

Family

ID=5898998

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1343474A CH603995A5 (xx) 1973-11-24 1974-10-07

Country Status (17)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312890A1 (de) * 1983-04-11 1984-10-11 Zbigniew Dr. 6078 Neu-Isenburg Boguslawski Verfahren und vorrichtung zur reinigung von verbrennungsgasen aus beispielsweise haushaltsheizungen, verbrennungsmotoren oder dergl. feuerungen

Family Cites Families (2)

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

Also Published As

Publication number Publication date
BR7409806A (pt) 1976-05-25
DE2358664A1 (de) 1975-05-28
DD115048A5 (xx) 1975-09-12
JPS5084484A (xx) 1975-07-08
DE2358664B2 (de) 1975-10-30
SE407157B (sv) 1979-03-19
FR2252487B1 (xx) 1980-04-11
CA1029360A (en) 1978-04-11
PL96832B1 (pl) 1978-01-31
AT339868B (de) 1977-11-10
SE7414660L (xx) 1975-05-26
IL46006A0 (en) 1975-02-10
GB1465986A (en) 1977-03-02
IL46006A (en) 1977-05-31
DK608574A (xx) 1975-07-21
IT1023341B (it) 1978-05-10
FR2252487A1 (xx) 1975-06-20
CS193039B2 (en) 1979-09-17
ATA937874A (de) 1977-03-15
RO63718A (fr) 1978-10-15
NL7415137A (nl) 1975-05-27
BE822503A (fr) 1975-05-22

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Legal Events

Date Code Title Description
PL Patent ceased