CA1008225A - Ultra stable exhaust catalyst - Google Patents

Ultra stable exhaust catalyst

Info

Publication number
CA1008225A
CA1008225A CA176,354A CA176354A CA1008225A CA 1008225 A CA1008225 A CA 1008225A CA 176354 A CA176354 A CA 176354A CA 1008225 A CA1008225 A CA 1008225A
Authority
CA
Canada
Prior art keywords
exhaust catalyst
ultra stable
stable exhaust
ultra
catalyst
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
CA176,354A
Other languages
English (en)
Other versions
CA176354S (en
Inventor
Frank J. Sergeys
Michael V. Ernest
James M. Maselli
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.)
WR Grace and Co
Original Assignee
WR Grace and Co
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 WR Grace and Co filed Critical WR Grace and Co
Application granted granted Critical
Publication of CA1008225A publication Critical patent/CA1008225A/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
    • B01J23/44—Palladium
    • 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
    • B01J23/56—Platinum group metals
    • 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
    • B01J23/56—Platinum group metals
    • B01J23/63—Platinum group metals with rare earths or actinides
    • 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)
CA176,354A 1972-07-14 1973-07-13 Ultra stable exhaust catalyst Expired CA1008225A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27185672A 1972-07-14 1972-07-14
US442982A US3903020A (en) 1972-07-14 1974-02-15 Stabilized automotive exhaust gas catalyst

Publications (1)

Publication Number Publication Date
CA1008225A true CA1008225A (en) 1977-04-12

Family

ID=26955150

Family Applications (1)

Application Number Title Priority Date Filing Date
CA176,354A Expired CA1008225A (en) 1972-07-14 1973-07-13 Ultra stable exhaust catalyst

Country Status (5)

Country Link
US (1) US3903020A (sv)
CA (1) CA1008225A (sv)
DE (1) DE2335192A1 (sv)
FR (1) FR2192866A1 (sv)
GB (1) GB1416587A (sv)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3993572A (en) * 1972-08-04 1976-11-23 Engelhard Minerals & Chemicals Corporation Rare earth containing catalyst composition
JPS5249936A (en) * 1975-10-21 1977-04-21 Nippon Mining Co Nonnelectrolytic plating agent for metals of platinum group
US4276203A (en) * 1979-04-26 1981-06-30 Acurex Corporation Catalytic system and process for producing it
US5326737A (en) * 1980-07-31 1994-07-05 Gas Desulfurization Corporation Cerium oxide solutions for the desulfurization of gases
US4603547A (en) * 1980-10-10 1986-08-05 Williams Research Corporation Catalytic relight coating for gas turbine combustion chamber and method of application
US4331565A (en) * 1980-11-28 1982-05-25 General Motors Corporation Method for forming high surface area catalyst carrier and catalyst using same
DE3223500A1 (de) * 1982-06-24 1983-12-29 Degussa Ag, 6000 Frankfurt Katalysator zur reinigung der abgase von verbrennungskraftmaschinen, verfahren zur herstellung des katalysators und verwendung
US4417089A (en) * 1982-09-01 1983-11-22 Phillips Petroleum Company Hydroisomerization
CA1213875A (en) * 1982-11-29 1986-11-12 Shigeo Uno Catalyst for catalytic combustion
US4476246A (en) * 1983-01-26 1984-10-09 W. R. Grace & Co. Doubly promoted platinum group metal catalysts for emission control
US4513101A (en) * 1983-07-27 1985-04-23 W. R. Grace & Co. Small bead auto exhaust catalyst
JPS60110335A (ja) * 1983-11-21 1985-06-15 Nissan Motor Co Ltd 排ガス浄化用触媒
US4608357A (en) * 1984-02-06 1986-08-26 Engelhard Corporation Catalytic cracking with mullite composition promoted combustion of carbon monoxide
US4839146A (en) * 1987-04-15 1989-06-13 General Motors Corporation Catalyst for simultaneous NO decomposition and CO oxidation under cycled operating conditions
US4760044A (en) * 1987-06-15 1988-07-26 Allied-Signal Inc. Catalyst for minimizing the H2 S emissions from automotive exhaust and method of its manufacture
US5008090A (en) * 1987-06-15 1991-04-16 Allied-Signal Inc. Catalytic process for minimizing the H2 S emissions from automotive exhaust
US4782038C1 (en) * 1987-10-26 2001-04-17 Ford Motor Co Platinum group alumina-supported metal oxidation catalysts and method of making same
US4906443A (en) * 1987-10-26 1990-03-06 Ford Motor Company Construction, method of making and method of using alumina-supported, precious metal oxidation catalysts
CA1334962C (en) * 1988-04-14 1995-03-28 Tomohisa Ohata Catalyst for purifying exhaust gas and method for production thereof
US5286699A (en) * 1988-12-09 1994-02-15 Nippon Shokubai Kagaku Kogyo Co., Ltd. Exhaust gas purifying catalyst suppressing the generation of hydrogen sulfide and method of making the catalyst
DE19546481C2 (de) * 1995-12-13 1998-08-13 Daimler Benz Ag Katalysator und Verfahren zu dessen Herstellung und Verwendung desselben
US7943547B2 (en) * 2005-09-14 2011-05-17 Hamilton Sundstrand Space Systems International, Inc. Selective catalytic oxidation of ammonia to water and nitrogen
CN101827651B (zh) * 2007-08-29 2015-06-10 太平洋工业发展公司 稀土氧化铝颗粒生产方法和应用
EP2112341B1 (en) * 2008-04-22 2018-07-11 Umicore AG & Co. KG Method for purification of an exhaust gas from a diesel engine
CN103464152B (zh) * 2013-09-29 2015-03-04 福州大学 一种尾气净化用催化剂及其制备方法
US8841232B1 (en) 2013-12-13 2014-09-23 Lucian Borduz Advanced ceramic catalyst

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259453A (en) * 1962-07-19 1966-07-05 Du Pont Method and apparatus for treating exhaust gases of internal combustion engines
US3322491A (en) * 1963-07-31 1967-05-30 Grace W R & Co Method of treating exhaust gases
US3755534A (en) * 1971-08-12 1973-08-28 Grace W R & Co Catalytic control of auto exhaust emissions

Also Published As

Publication number Publication date
US3903020A (en) 1975-09-02
DE2335192A1 (de) 1974-01-31
GB1416587A (en) 1975-12-03
FR2192866A1 (sv) 1974-02-15

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