BR7409806A - CATALYST TO REDUCE TOXIC COMPONENTS IN COMBUSTION ENGINE EXHAUST GAS AND PROCESS FOR THE PREPARATION OF THIS - Google Patents

CATALYST TO REDUCE TOXIC COMPONENTS IN COMBUSTION ENGINE EXHAUST GAS AND PROCESS FOR THE PREPARATION OF THIS

Info

Publication number
BR7409806A
BR7409806A BR9806/74A BR980674A BR7409806A BR 7409806 A BR7409806 A BR 7409806A BR 9806/74 A BR9806/74 A BR 9806/74A BR 980674 A BR980674 A BR 980674A BR 7409806 A BR7409806 A BR 7409806A
Authority
BR
Brazil
Prior art keywords
catalyst
preparation
exhaust gas
combustion engine
engine exhaust
Prior art date
Application number
BR9806/74A
Other languages
Portuguese (pt)
Inventor
J 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/en
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of BR7409806A publication Critical patent/BR7409806A/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
    • 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
BR9806/74A 1973-11-24 1974-11-22 CATALYST TO REDUCE TOXIC COMPONENTS IN COMBUSTION ENGINE EXHAUST GAS AND PROCESS FOR THE PREPARATION OF THIS BR7409806A (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
BR7409806A true BR7409806A (en) 1976-05-25

Family

ID=5898998

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9806/74A BR7409806A (en) 1973-11-24 1974-11-22 CATALYST TO REDUCE TOXIC COMPONENTS IN COMBUSTION ENGINE EXHAUST GAS AND PROCESS FOR THE PREPARATION OF THIS

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
FR2252487A1 (en) 1975-06-20
GB1465986A (en) 1977-03-02
SE407157B (en) 1979-03-19
ATA937874A (en) 1977-03-15
JPS5084484A (en) 1975-07-08
SE7414660L (en) 1975-05-26
IL46006A (en) 1977-05-31
CH603995A5 (en) 1978-08-31
AT339868B (en) 1977-11-10
NL7415137A (en) 1975-05-27
PL96832B1 (en) 1978-01-31
FR2252487B1 (en) 1980-04-11
CA1029360A (en) 1978-04-11
DK608574A (en) 1975-07-21
CS193039B2 (en) 1979-09-17
RO63718A (en) 1978-10-15
DE2358664A1 (en) 1975-05-28
DD115048A5 (en) 1975-09-12
DE2358664B2 (en) 1975-10-30
BE822503A (en) 1975-05-22
IL46006A0 (en) 1975-02-10
IT1023341B (en) 1978-05-10

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