FR2281165A1 - Catalyseur pour la reduction d'oxydes d'azote dans les gaz residuaires et procede pour la reduction catalytique d'oxydes d'azote contenu dans un gaz residuaire - Google Patents

Catalyseur pour la reduction d'oxydes d'azote dans les gaz residuaires et procede pour la reduction catalytique d'oxydes d'azote contenu dans un gaz residuaire

Info

Publication number
FR2281165A1
FR2281165A1 FR7524386A FR7524386A FR2281165A1 FR 2281165 A1 FR2281165 A1 FR 2281165A1 FR 7524386 A FR7524386 A FR 7524386A FR 7524386 A FR7524386 A FR 7524386A FR 2281165 A1 FR2281165 A1 FR 2281165A1
Authority
FR
France
Prior art keywords
nitrogen oxides
reduction
residual
catalyst
catalytic reduction
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.)
Granted
Application number
FR7524386A
Other languages
English (en)
Other versions
FR2281165B1 (fr
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.)
JGC Corp
Original Assignee
Japan Gasoline Co Ltd
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 Japan Gasoline Co Ltd filed Critical Japan Gasoline Co Ltd
Publication of FR2281165A1 publication Critical patent/FR2281165A1/fr
Application granted granted Critical
Publication of FR2281165B1 publication Critical patent/FR2281165B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR7524386A 1974-08-06 1975-08-05 Catalyseur pour la reduction d'oxydes d'azote dans les gaz residuaires et procede pour la reduction catalytique d'oxydes d'azote contenu dans un gaz residuaire Granted FR2281165A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49089470A JPS5118262A (en) 1974-08-06 1974-08-06 Haigasuchuno chitsusosankabutsuno jokyohoho

Publications (2)

Publication Number Publication Date
FR2281165A1 true FR2281165A1 (fr) 1976-03-05
FR2281165B1 FR2281165B1 (fr) 1982-03-05

Family

ID=13971591

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7524386A Granted FR2281165A1 (fr) 1974-08-06 1975-08-05 Catalyseur pour la reduction d'oxydes d'azote dans les gaz residuaires et procede pour la reduction catalytique d'oxydes d'azote contenu dans un gaz residuaire

Country Status (5)

Country Link
JP (1) JPS5118262A (fr)
DE (1) DE2534270C2 (fr)
FR (1) FR2281165A1 (fr)
GB (1) GB1480020A (fr)
NL (1) NL171236C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553679A1 (fr) * 1983-10-21 1985-04-26 Nippon Catalytic Chem Ind Catalyseur pour purifier les gaz d'echappement et les gaz residuaires par elimination des oxydes d'azote

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5187163A (fr) * 1975-01-29 1976-07-30 Mitsubishi Kakoki Kk
JPS5477277A (en) * 1977-12-02 1979-06-20 Mitsubishi Heavy Ind Ltd Method and apparatus for reducing nitrogen oxides in combustion exhaust gas
DE3941554A1 (de) * 1989-12-16 1991-06-20 Draegerwerk Ag Elektrochemische messzelle zum nachweis von gaskomponenten in fluiden medien
DE4038140A1 (de) * 1990-11-30 1992-06-04 Danfoss As Verfahren zum herstellen eines gassensors

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608534A (en) * 1949-04-18 1952-08-26 Union Oil Co Heteropoly acids or salts thereof as catalysts
US3230034A (en) * 1960-09-29 1966-01-18 Du Pont Method of treating exhaust gases of internal combustion engines
CA1007830A (en) * 1972-09-01 1977-04-05 Albert B. Welty (Jr.) Removal of nitrogen oxides from flue gas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553679A1 (fr) * 1983-10-21 1985-04-26 Nippon Catalytic Chem Ind Catalyseur pour purifier les gaz d'echappement et les gaz residuaires par elimination des oxydes d'azote

Also Published As

Publication number Publication date
NL171236C (nl) 1983-03-01
JPS576966B2 (fr) 1982-02-08
DE2534270C2 (de) 1983-05-19
JPS5118262A (en) 1976-02-13
NL7509356A (nl) 1976-02-10
FR2281165B1 (fr) 1982-03-05
GB1480020A (en) 1977-07-20
NL171236B (nl) 1982-10-01
DE2534270A1 (de) 1976-02-19

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse