JPS4876794A - - Google Patents

Info

Publication number
JPS4876794A
JPS4876794A JP47007366A JP736672A JPS4876794A JP S4876794 A JPS4876794 A JP S4876794A JP 47007366 A JP47007366 A JP 47007366A JP 736672 A JP736672 A JP 736672A JP S4876794 A JPS4876794 A JP S4876794A
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.)
Pending
Application number
JP47007366A
Other languages
Japanese (ja)
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 JP47007366A priority Critical patent/JPS4876794A/ja
Priority to GB222073A priority patent/GB1424382A/en
Priority to DE2302443A priority patent/DE2302443A1/de
Priority to FR7301769A priority patent/FR2168503B1/fr
Publication of JPS4876794A publication Critical patent/JPS4876794A/ja
Pending 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
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/652—Chromium, molybdenum or tungsten
    • B01J23/6522—Chromium
    • 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
    • B01J37/08—Heat treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
    • 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
JP47007366A 1972-01-18 1972-01-18 Pending JPS4876794A (el)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP47007366A JPS4876794A (el) 1972-01-18 1972-01-18
GB222073A GB1424382A (en) 1972-01-18 1973-01-16 Catalytic composition containing palladium and chromium oxides
DE2302443A DE2302443A1 (de) 1972-01-18 1973-01-18 Katalysator, der palladium- und chromoxyde enthaelt, und verfahren zu seiner herstellung
FR7301769A FR2168503B1 (el) 1972-01-18 1973-01-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47007366A JPS4876794A (el) 1972-01-18 1972-01-18

Publications (1)

Publication Number Publication Date
JPS4876794A true JPS4876794A (el) 1973-10-16

Family

ID=11663955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47007366A Pending JPS4876794A (el) 1972-01-18 1972-01-18

Country Status (4)

Country Link
JP (1) JPS4876794A (el)
DE (1) DE2302443A1 (el)
FR (1) FR2168503B1 (el)
GB (1) GB1424382A (el)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020630A1 (de) * 1980-03-10 1981-10-01 Bridgestone Tire Co. Ltd., Tokyo Vorrichtung zum reinigen von abgasen
GB8623482D0 (en) * 1986-09-30 1986-11-05 Johnson Matthey Plc Catalytic generation of hydrogen
US4788174A (en) * 1986-12-03 1988-11-29 Catalysts And Chemicals Inc., Far East Heat resistant catalyst and method of producing the same
JP2768946B2 (ja) * 1988-04-13 1998-06-25 東洋シーシーアイ株式会社 耐熱性貴金属触媒及びその製造方法
EP0362960A3 (en) * 1988-10-05 1990-06-27 Sakai Chemical Industry Co., Ltd., Use of a catalyst composition for denitrization and denitrizing catalysts
US8680357B1 (en) 2002-01-14 2014-03-25 Clariant Corporation Dehydrogenation catalyst
US8063261B2 (en) 2002-01-14 2011-11-22 Sud-Chemie Inc. Multi-layered dehydrogenation catalyst system and process of use
US20050075243A1 (en) * 2003-10-07 2005-04-07 Sud-Chemie, Inc. Catalyst for dehydrogenation of hydrocarbons
FI121531B (fi) 2007-07-23 2010-12-31 Ecocat Oy Katalyytti poiste- tai prosessikaasuissa olevien haitallisten hiilivetyjen poistamiseksi sekä menetelmä tällaisen katalyytin valmistamiseksi ja käyttämiseksi
US8101541B2 (en) 2008-07-14 2012-01-24 Sud-Chemie Inc. Catalyst for dehydrogenation of hydrocarbons

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1283439A (fr) * 1960-02-29 1962-02-02 Universal Oil Prod Co Procédé pour l'élimination des constituants combustibles contenus dans un gaz, notamment un gaz d'échappement

Also Published As

Publication number Publication date
FR2168503A1 (el) 1973-08-31
GB1424382A (en) 1976-02-11
FR2168503B1 (el) 1978-03-03
DE2302443A1 (de) 1973-08-09

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