SE445302B - Katalysator som samtidigt formedlar oxidation av kolmonoxid och kolveten och reduktion av kveveoxider i avgaser fran forbrenningsmotorer, forfarande for framstellning samt anvendning av katalysatorn - Google Patents

Katalysator som samtidigt formedlar oxidation av kolmonoxid och kolveten och reduktion av kveveoxider i avgaser fran forbrenningsmotorer, forfarande for framstellning samt anvendning av katalysatorn

Info

Publication number
SE445302B
SE445302B SE8001370A SE8001370A SE445302B SE 445302 B SE445302 B SE 445302B SE 8001370 A SE8001370 A SE 8001370A SE 8001370 A SE8001370 A SE 8001370A SE 445302 B SE445302 B SE 445302B
Authority
SE
Sweden
Prior art keywords
catalyst
cerium
zirconium
iron
salt
Prior art date
Application number
SE8001370A
Other languages
English (en)
Swedish (sv)
Other versions
SE8001370L (sv
Inventor
A Bozon
E Koberstein
H-D Pletka
H Volker
E Lakatos
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of SE8001370L publication Critical patent/SE8001370L/xx
Publication of SE445302B publication Critical patent/SE445302B/sv

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
    • B01J23/89—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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
SE8001370A 1979-02-23 1980-02-21 Katalysator som samtidigt formedlar oxidation av kolmonoxid och kolveten och reduktion av kveveoxider i avgaser fran forbrenningsmotorer, forfarande for framstellning samt anvendning av katalysatorn SE445302B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2907106A DE2907106C2 (de) 1979-02-23 1979-02-23 Abgaskatalysator und seine Verwendung zur Reinigung der Abgase von Verbrennungskraftmaschinen

Publications (2)

Publication Number Publication Date
SE8001370L SE8001370L (sv) 1980-10-06
SE445302B true SE445302B (sv) 1986-06-16

Family

ID=6063765

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8001370A SE445302B (sv) 1979-02-23 1980-02-21 Katalysator som samtidigt formedlar oxidation av kolmonoxid och kolveten och reduktion av kveveoxider i avgaser fran forbrenningsmotorer, forfarande for framstellning samt anvendning av katalysatorn

Country Status (11)

Country Link
US (1) US4294726A (es)
JP (1) JPS5945416B2 (es)
BR (1) BR8001015A (es)
CA (1) CA1125265A (es)
DE (1) DE2907106C2 (es)
ES (1) ES487743A1 (es)
FR (1) FR2449475B1 (es)
GB (1) GB2048101B (es)
IT (1) IT1133053B (es)
SE (1) SE445302B (es)
SU (1) SU1170958A3 (es)

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Also Published As

Publication number Publication date
FR2449475B1 (fr) 1986-05-16
SE8001370L (sv) 1980-10-06
DE2907106A1 (de) 1980-09-04
ES487743A1 (es) 1980-06-16
GB2048101A (en) 1980-12-10
DE2907106C2 (de) 1985-12-19
IT8067131A0 (it) 1980-01-30
JPS5945416B2 (ja) 1984-11-06
US4294726A (en) 1981-10-13
JPS55157327A (en) 1980-12-08
FR2449475A1 (fr) 1980-09-19
SU1170958A3 (ru) 1985-07-30
CA1125265A (en) 1982-06-08
GB2048101B (en) 1983-04-20
BR8001015A (pt) 1980-10-29
IT1133053B (it) 1986-07-09

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