JPS5246557B2 - - Google Patents

Info

Publication number
JPS5246557B2
JPS5246557B2 JP49045290A JP4529074A JPS5246557B2 JP S5246557 B2 JPS5246557 B2 JP S5246557B2 JP 49045290 A JP49045290 A JP 49045290A JP 4529074 A JP4529074 A JP 4529074A JP S5246557 B2 JPS5246557 B2 JP S5246557B2
Authority
JP
Japan
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
JP49045290A
Other languages
Japanese (ja)
Other versions
JPS50137392A (US06252093-20010626-C00008.png
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 filed Critical
Priority to JP49045290A priority Critical patent/JPS5246557B2/ja
Priority to US05/568,549 priority patent/US4102813A/en
Publication of JPS50137392A publication Critical patent/JPS50137392A/ja
Publication of JPS5246557B2 publication Critical patent/JPS5246557B2/ja
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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
    • 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
    • B01J35/51—Spheres
    • 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)
JP49045290A 1974-04-22 1974-04-22 Expired JPS5246557B2 (US06252093-20010626-C00008.png)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP49045290A JPS5246557B2 (US06252093-20010626-C00008.png) 1974-04-22 1974-04-22
US05/568,549 US4102813A (en) 1974-04-22 1975-04-16 Catalyst for purifying exhaust gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49045290A JPS5246557B2 (US06252093-20010626-C00008.png) 1974-04-22 1974-04-22

Publications (2)

Publication Number Publication Date
JPS50137392A JPS50137392A (US06252093-20010626-C00008.png) 1975-10-31
JPS5246557B2 true JPS5246557B2 (US06252093-20010626-C00008.png) 1977-11-25

Family

ID=12715167

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49045290A Expired JPS5246557B2 (US06252093-20010626-C00008.png) 1974-04-22 1974-04-22

Country Status (2)

Country Link
US (1) US4102813A (US06252093-20010626-C00008.png)
JP (1) JPS5246557B2 (US06252093-20010626-C00008.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585177U (US06252093-20010626-C00008.png) * 1978-12-06 1980-06-12
JPS6277264U (US06252093-20010626-C00008.png) * 1985-11-01 1987-05-18

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3732952A1 (de) * 1987-09-30 1989-04-20 Basf Ag Verfahren zur regenerierung von fe(ii)- und fe(iii)-chelatkomplexe enthaltenden waschloesungen
DE3735033A1 (de) * 1987-10-16 1989-04-27 Duerrwaechter E Dr Doduco Katalysator und verfahren zu seiner herstellung
US5283369A (en) * 1992-03-24 1994-02-01 Elf Atochem North America, Inc. Selective synthesis of mercaptans and catalyst therefor
US5856263A (en) * 1992-08-28 1999-01-05 Union Carbide Chemicals & Plastics Technology Corporation Catalysts comprising substantially pure alpha-alumina carrier for treating exhaust gases
DK0584887T3 (da) * 1992-08-28 1999-12-27 Union Carbide Chem Plastic Katalysatorer til behandling af udstødningsgasser fra forbrændingsmotorer og stationære motorer
US5266548A (en) * 1992-08-31 1993-11-30 Norton Chemical Process Products Corp. Catalyst carrier
US5384302A (en) * 1993-09-08 1995-01-24 Norton Chemical Process Products Corp. Catalyst carrier
US6069111A (en) * 1995-06-02 2000-05-30 Nissan Motor Co., Ltd. Catalysts for the purification of exhaust gas and method of manufacturing thereof
JP3956437B2 (ja) * 1996-09-26 2007-08-08 マツダ株式会社 排気ガス浄化用触媒

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422172A (en) * 1942-07-28 1947-06-10 Shell Dev Thermostable catalysts for the dehydrogenation of hydrocarbons
US2474440A (en) * 1947-03-03 1949-06-28 Shell Dev Process for the production of a lithium-aluminum compound as a base for a conversioncatalyst
US2871201A (en) * 1951-07-06 1959-01-27 Union Oil Co Hydrocarbon conversion catalysts
US2927088A (en) * 1956-11-29 1960-03-01 Universal Oil Prod Co Method for manufacturing catalysts
US2927903A (en) * 1957-09-17 1960-03-08 Universal Oil Prod Co Preparation of alumina-containing catalysts
US3147229A (en) * 1958-06-10 1964-09-01 Exxon Research Engineering Co Catalyst preparation and activation process
US3009885A (en) * 1958-06-23 1961-11-21 Standard Oil Co Alumina catalyst of increased surface area
US3243387A (en) * 1963-04-25 1966-03-29 Leuna Werke Veb Palladium-silver-iron oxide on alphaalumina catalyst composition for the selective hydrogenation of acetylene
US3397154A (en) * 1963-07-09 1968-08-13 Du Pont Preparation of alumina-supported catalyst compositions and the products thereof
US3392125A (en) * 1963-07-11 1968-07-09 Kaiser Aluminium Chem Corp Method for preparing an alpha alumina catalyst support
US3437427A (en) * 1966-03-16 1969-04-08 Universal Oil Prod Co Oxygen scavenging from closed containers
US3487010A (en) * 1968-12-10 1969-12-30 Chevron Res Iron-containing reforming catalyst
US3775300A (en) * 1972-01-10 1973-11-27 Universal Oil Prod Co Hydrocarbon conversion with a catalytic composite of platinum iron and germanium
US3849336A (en) * 1972-02-07 1974-11-19 Larox Res Corp Palladium compositions suitable as oxidation catalysts
FR2204454B1 (US06252093-20010626-C00008.png) * 1972-10-30 1975-09-12 Pro Catalyse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585177U (US06252093-20010626-C00008.png) * 1978-12-06 1980-06-12
JPS6277264U (US06252093-20010626-C00008.png) * 1985-11-01 1987-05-18

Also Published As

Publication number Publication date
US4102813A (en) 1978-07-25
JPS50137392A (US06252093-20010626-C00008.png) 1975-10-31

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