CA1100470A - Catalysis - Google Patents

Catalysis

Info

Publication number
CA1100470A
CA1100470A CA273,815A CA273815A CA1100470A CA 1100470 A CA1100470 A CA 1100470A CA 273815 A CA273815 A CA 273815A CA 1100470 A CA1100470 A CA 1100470A
Authority
CA
Canada
Prior art keywords
catalyst
metals
catalyst according
metal
base
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
CA273,815A
Other languages
English (en)
French (fr)
Inventor
Barry J. Cooper
Gary J.K. Acres
Brian Harrison
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.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
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 GB9997/76A external-priority patent/GB1579733A/en
Application filed by Johnson Matthey PLC filed Critical Johnson Matthey PLC
Application granted granted Critical
Publication of CA1100470A publication Critical patent/CA1100470A/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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, 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
    • 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
    • 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)
CA273,815A 1976-03-12 1977-03-11 Catalysis Expired CA1100470A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9997/76A GB1579733A (en) 1976-03-12 1976-03-12 Catalysts particularly for purification of exhaust gases
GB9997/76 1976-03-12
GB2514176 1976-06-17
GB25141/76 1976-06-17

Publications (1)

Publication Number Publication Date
CA1100470A true CA1100470A (en) 1981-05-05

Family

ID=26243317

Family Applications (1)

Application Number Title Priority Date Filing Date
CA273,815A Expired CA1100470A (en) 1976-03-12 1977-03-11 Catalysis

Country Status (5)

Country Link
JP (1) JPS52120293A (de)
CA (1) CA1100470A (de)
DE (1) DE2710765A1 (de)
FR (1) FR2343505A1 (de)
SE (1) SE426787B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2056424B (en) * 1979-08-08 1983-07-06 Johnson Matthey Co Ltd Decomposition of ozone
US4343776A (en) * 1980-12-22 1982-08-10 Engelhard Corporation Ozone abatement catalyst having improved durability and low temperature performance
JPS58156350A (ja) * 1982-03-12 1983-09-17 Matsushita Electric Ind Co Ltd 排ガス浄化装置
ATE47379T1 (de) * 1984-08-03 1989-11-15 Sievers Res Inc Verfahren zur selektiven umwandlung organischer verbindungen und zu ihrem nachweis durch gaschromatographie und chemilumineszenz.
JP2736099B2 (ja) * 1989-02-06 1998-04-02 株式会社日本触媒 ディーゼルエンジン排ガス浄化用触媒
JP2773428B2 (ja) * 1990-11-28 1998-07-09 トヨタ自動車株式会社 排気ガス浄化方法
EP0525677B1 (de) * 1991-07-29 1995-12-13 Daihatsu Motor Company, Ltd. Katalysator zur Reinigung von Abgasen und Verfahren zu seiner Herstellung
EP0532024B1 (de) * 1991-09-12 1998-08-12 Sakai Chemical Industry Co., Ltd., Katalysator zur Reduktion von Stickoxiden
JP2838336B2 (ja) * 1991-09-12 1998-12-16 工業技術院長 窒素酸化物接触還元用触媒
JP4092441B2 (ja) * 1997-02-24 2008-05-28 日産自動車株式会社 排ガス浄化用触媒

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4852691A (de) * 1971-10-19 1973-07-24
GB1414133A (en) * 1971-11-18 1975-11-19 Johnson Matthey Co Ltd Catalysis
SE464798B (sv) * 1973-10-24 1991-06-17 Johnson Matthey Co Ltd Katalysator innefattande ett substrat, ett mellanliggande oxidskikt och ett katalytiskt skikt
CA1077011A (en) * 1975-04-08 1980-05-06 Elrey L. Mccann (Iii) Catalytic metal oxides on perovskite supports

Also Published As

Publication number Publication date
FR2343505B1 (de) 1982-10-15
SE7702518L (sv) 1977-09-13
FR2343505A1 (fr) 1977-10-07
JPS52120293A (en) 1977-10-08
SE426787B (sv) 1983-02-14
DE2710765A1 (de) 1977-09-22

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