GB1465986A - Catalyst for reducing the toxic contaminants of combustion engine exhaust gas - Google Patents

Catalyst for reducing the toxic contaminants of combustion engine exhaust gas

Info

Publication number
GB1465986A
GB1465986A GB4888574A GB4888574A GB1465986A GB 1465986 A GB1465986 A GB 1465986A GB 4888574 A GB4888574 A GB 4888574A GB 4888574 A GB4888574 A GB 4888574A GB 1465986 A GB1465986 A GB 1465986A
Authority
GB
United Kingdom
Prior art keywords
heating
hot
catalyst
exhaust gas
carrier
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
GB4888574A
Other languages
English (en)
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/de
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of GB1465986A publication Critical patent/GB1465986A/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
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • B01J35/57—Honeycombs
    • 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

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)
GB4888574A 1973-11-24 1974-11-12 Catalyst for reducing the toxic contaminants of combustion engine exhaust gas Expired GB1465986A (en)

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
GB1465986A true GB1465986A (en) 1977-03-02

Family

ID=5898998

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4888574A Expired GB1465986A (en) 1973-11-24 1974-11-12 Catalyst for reducing the toxic contaminants of combustion engine exhaust gas

Country Status (17)

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

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 (enrdf_load_stackoverflow) * 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
IL46006A (en) 1977-05-31
BR7409806A (pt) 1976-05-25
SE407157B (sv) 1979-03-19
CS193039B2 (en) 1979-09-17
FR2252487B1 (enrdf_load_stackoverflow) 1980-04-11
DE2358664B2 (de) 1975-10-30
JPS5084484A (enrdf_load_stackoverflow) 1975-07-08
RO63718A (fr) 1978-10-15
NL7415137A (nl) 1975-05-27
CH603995A5 (enrdf_load_stackoverflow) 1978-08-31
IT1023341B (it) 1978-05-10
ATA937874A (de) 1977-03-15
FR2252487A1 (enrdf_load_stackoverflow) 1975-06-20
SE7414660L (enrdf_load_stackoverflow) 1975-05-26
DE2358664A1 (de) 1975-05-28
CA1029360A (en) 1978-04-11
DK608574A (enrdf_load_stackoverflow) 1975-07-21
BE822503A (fr) 1975-05-22
DD115048A5 (enrdf_load_stackoverflow) 1975-09-12
PL96832B1 (pl) 1978-01-31
IL46006A0 (en) 1975-02-10
AT339868B (de) 1977-11-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee