JPS5221999B2 - - Google Patents

Info

Publication number
JPS5221999B2
JPS5221999B2 JP47017723A JP1772372A JPS5221999B2 JP S5221999 B2 JPS5221999 B2 JP S5221999B2 JP 47017723 A JP47017723 A JP 47017723A JP 1772372 A JP1772372 A JP 1772372A JP S5221999 B2 JPS5221999 B2 JP S5221999B2
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
JP47017723A
Other languages
Japanese (ja)
Other versions
JPS4886791A (fr
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 JP47017723A priority Critical patent/JPS5221999B2/ja
Priority to GB831373A priority patent/GB1413355A/en
Priority to FR7306135A priority patent/FR2173128B1/fr
Priority to DE19732308789 priority patent/DE2308789A1/de
Publication of JPS4886791A publication Critical patent/JPS4886791A/ja
Publication of JPS5221999B2 publication Critical patent/JPS5221999B2/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
    • 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
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/86—Chromium
    • B01J23/866—Nickel and chromium
    • 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
JP47017723A 1972-02-22 1972-02-22 Expired JPS5221999B2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP47017723A JPS5221999B2 (fr) 1972-02-22 1972-02-22
GB831373A GB1413355A (en) 1972-02-22 1973-02-20 Catalyst for treatment of exhaust gases containing nitrogen oxides carbon monoxide and hydrocarbons
FR7306135A FR2173128B1 (fr) 1972-02-22 1973-02-21
DE19732308789 DE2308789A1 (de) 1972-02-22 1973-02-22 Katalysator fuer abgase und verfahren zu seiner herstellung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47017723A JPS5221999B2 (fr) 1972-02-22 1972-02-22

Publications (2)

Publication Number Publication Date
JPS4886791A JPS4886791A (fr) 1973-11-15
JPS5221999B2 true JPS5221999B2 (fr) 1977-06-14

Family

ID=11951653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47017723A Expired JPS5221999B2 (fr) 1972-02-22 1972-02-22

Country Status (4)

Country Link
JP (1) JPS5221999B2 (fr)
DE (1) DE2308789A1 (fr)
FR (1) FR2173128B1 (fr)
GB (1) GB1413355A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49122893A (fr) * 1973-03-29 1974-11-25
JPS5642330B2 (fr) * 1975-03-19 1981-10-03
FR2466278A1 (fr) * 1979-10-04 1981-04-10 Pro Catalyse Catalyseur et procede de traitement des gaz d'echappement des moteurs a combustion interne
US4705903A (en) * 1986-11-20 1987-11-10 Texaco Inc. Catalytic decomposition of impurities in tertiary butyl alcohol
DE10128130B4 (de) * 2001-06-09 2007-07-05 Mol Katalysatortechnik Gmbh Verfahren zur oxidativen Reinigung von gasförmigen Medien sowie Vollmetallkatalysator
CN110787808A (zh) * 2019-11-11 2020-02-14 北京佳安氢源科技股份有限公司 一种新型氢催化燃烧非贵金属催化剂的制备方法
CN114762827B (zh) * 2021-01-15 2023-12-22 万华化学集团股份有限公司 一种催化剂、制备方法和在处理含过氧化物的po/chp废水中的应用

Also Published As

Publication number Publication date
FR2173128A1 (fr) 1973-10-05
JPS4886791A (fr) 1973-11-15
DE2308789A1 (de) 1973-08-30
GB1413355A (en) 1975-11-12
FR2173128B1 (fr) 1976-05-07

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