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 (en, 2012
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
    • 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
    • B01J35/53—Spheres with a core-shell structure
    • 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 (en, 2012)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP49045290A JPS5246557B2 (en, 2012) 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 (en, 2012) 1974-04-22 1974-04-22

Publications (2)

Publication Number Publication Date
JPS50137392A JPS50137392A (en, 2012) 1975-10-31
JPS5246557B2 true JPS5246557B2 (en, 2012) 1977-11-25

Family

ID=12715167

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49045290A Expired JPS5246557B2 (en, 2012) 1974-04-22 1974-04-22

Country Status (2)

Country Link
US (1) US4102813A (en, 2012)
JP (1) JPS5246557B2 (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585177U (en, 2012) * 1978-12-06 1980-06-12
JPS6277264U (en, 2012) * 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
JP2767368B2 (ja) * 1992-08-28 1998-06-18 ユニオン・カーバイド、ケミカルズ、アンド、プラスチックス、テクノロジー、コーポレーション 内燃機関及び固定汚染源機関からの排気を処理するための触媒
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 (en, 2012) * 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 (en, 2012) * 1978-12-06 1980-06-12
JPS6277264U (en, 2012) * 1985-11-01 1987-05-18

Also Published As

Publication number Publication date
US4102813A (en) 1978-07-25
JPS50137392A (en, 2012) 1975-10-31

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