[go: up one dir, main page]

GB2000985B - Automotive emission control catalyst and method for making same - Google Patents

Automotive emission control catalyst and method for making same

Info

Publication number
GB2000985B
GB2000985B GB7828127A GB7828127A GB2000985B GB 2000985 B GB2000985 B GB 2000985B GB 7828127 A GB7828127 A GB 7828127A GB 7828127 A GB7828127 A GB 7828127A GB 2000985 B GB2000985 B GB 2000985B
Authority
GB
United Kingdom
Prior art keywords
emission control
making same
control catalyst
automotive emission
automotive
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
GB7828127A
Other versions
GB2000985A (en
Inventor
Jack Curtis Summers
Louis Hegedus
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.)
Motors Liquidation Co
Original Assignee
General Motors Corp
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 US05/871,706 external-priority patent/US4128506A/en
Application filed by General Motors Corp filed Critical General Motors Corp
Publication of GB2000985A publication Critical patent/GB2000985A/en
Application granted granted Critical
Publication of GB2000985B publication Critical patent/GB2000985B/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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/464—Rhodium
    • 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
    • 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
    • B01J37/0244—Coatings comprising several layers
    • 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)
GB7828127A 1977-07-15 1978-06-28 Automotive emission control catalyst and method for making same Expired GB2000985B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81598277A 1977-07-15 1977-07-15
US05/871,706 US4128506A (en) 1978-01-23 1978-01-23 Platinum-rhodium catalyst for automotive emission control

Publications (2)

Publication Number Publication Date
GB2000985A GB2000985A (en) 1979-01-24
GB2000985B true GB2000985B (en) 1982-02-24

Family

ID=27124012

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7828127A Expired GB2000985B (en) 1977-07-15 1978-06-28 Automotive emission control catalyst and method for making same

Country Status (4)

Country Link
JP (1) JPS5419494A (en)
AU (1) AU524724B2 (en)
DE (1) DE2830686A1 (en)
GB (1) GB2000985B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2023019B (en) * 1978-02-06 1982-10-13 Gen Motors Corp Platinum thodium and palladium catalyst for automotive emission control
SE462143C (en) * 1988-03-07 1996-02-19 Heraeus Gmbh W C Catalytic converter for car exhaust cleaning, process for its preparation and use thereof
US5131224A (en) * 1990-07-23 1992-07-21 General Motors Corporation Method for reducing methane exhaust emissions from natural gas fueled engines
KR100756025B1 (en) * 2006-08-28 2007-09-07 희성엥겔하드주식회사 Triple Layer Catalyst System for Purifying Exhaust Gas from Internal Combustion Engines
GB201303396D0 (en) 2013-02-26 2013-04-10 Johnson Matthey Plc Oxidation catalyst for a combustion engine
FR3064500A1 (en) * 2017-03-29 2018-10-05 IFP Energies Nouvelles SELECTIVE HYROGENATION MULTILAYER CATALYST

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1498050A (en) * 1974-04-19 1978-01-18 Uop Inc Manufacture and use of group viii metal catalyst

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1498050A (en) * 1974-04-19 1978-01-18 Uop Inc Manufacture and use of group viii metal catalyst

Also Published As

Publication number Publication date
AU524724B2 (en) 1982-09-30
AU3803978A (en) 1980-01-17
JPS5419494A (en) 1979-02-14
GB2000985A (en) 1979-01-24
DE2830686A1 (en) 1979-02-01

Similar Documents

Publication Publication Date Title
YU282478A (en) Process for obtaining an activated catalyst
JPS5440961A (en) *sakatoge** and method for manufacturing same
GB2000450A (en) Largepore hydrodemetallization catalyst and process employing same
GB2008670B (en) Vehicle ignition control cicuits
GB1547727A (en) Vehicle control system
JPS53133594A (en) Hydrogenation catalyst and method
AU515817B2 (en) Engine emission control system
GB2011537B (en) Vehicle engine control
JPS53137893A (en) Catalyst treatment method
JPS5437090A (en) Catalyst manufacturing method
ZA783531B (en) A method for activating a hydrodesulfurization catalyst
AU3808078A (en) Emission control system
JPS5380394A (en) Method of making titaniummcontaining component for zieglerrnattaatype catalyst
GB2010532B (en) Gun control system and method
GB2000985B (en) Automotive emission control catalyst and method for making same
GB2009152B (en) Method for producing moranoline and n-methylmoranoline
JPS53136221A (en) Car exhaust system
JPS53116346A (en) Ammooxidation method and catalyst
ZA78748B (en) Improved automotive drive system
GB2008429B (en) Platinum catalyst and method for making
JPS53146287A (en) Resin rheololgy control method and catalyst
GB2023019B (en) Platinum thodium and palladium catalyst for automotive emission control
JPS5425947A (en) Coating method for automobile body
JPS5425291A (en) Hydrogenation catalyst and method
JPS53147679A (en) Deodorization method

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee