FR2413128A1 - Composition catalytique utilisee notamment dans l'epuration des effluents gazeux pollues par des oxydes d'azote - Google Patents

Composition catalytique utilisee notamment dans l'epuration des effluents gazeux pollues par des oxydes d'azote

Info

Publication number
FR2413128A1
FR2413128A1 FR7739422A FR7739422A FR2413128A1 FR 2413128 A1 FR2413128 A1 FR 2413128A1 FR 7739422 A FR7739422 A FR 7739422A FR 7739422 A FR7739422 A FR 7739422A FR 2413128 A1 FR2413128 A1 FR 2413128A1
Authority
FR
France
Prior art keywords
nitrogen oxides
purification
gaseous effluents
composition used
catalytic composition
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
FR7739422A
Other languages
English (en)
Other versions
FR2413128B1 (fr
Inventor
Michel Senes
Yannick Le Goff
Jean-Francois Gourdier
Jacques Quibel
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.)
Azote et Produits Chimiques SA
Original Assignee
Azote et Produits Chimiques SA
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 Azote et Produits Chimiques SA filed Critical Azote et Produits Chimiques SA
Priority to FR7739422A priority Critical patent/FR2413128A1/fr
Priority to US05/973,626 priority patent/US4228039A/en
Priority to JP16128178A priority patent/JPS54100995A/ja
Publication of FR2413128A1 publication Critical patent/FR2413128A1/fr
Application granted granted Critical
Publication of FR2413128B1 publication Critical patent/FR2413128B1/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
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8993—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (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)

Abstract

LA PRESENTE INVENTION CONCERNE L'EPURATION DES EFFLUENTS GAZEUX POLLUES PAR DES OXYDES D'AZOTE PAR REDUCTION CATALYTIQUE. LES COMPOSITIONS CATALYTIQUES UTILISEES CONTIENNENT DU FER ET DU CHROME ASSOCIES A DE L'ALUMINE ET A AU MOINS UN PROMOTEUR CHOISI PARMI LES OXYDES DE TERRES RARES A TENEUR COMPRISE ENTRE 0,1 ET 1 PAR RAPPORT A LA MATIERE ACTIVE ET LES METAUX DE LA MINE DU PLATINE A TENEUR COMPRISE ENTRE 1 ET 5PPM PAR RAPPORT A LA MATIERE ACTIVE, LA SURFACE SPECIFIQUE DES COMPOSITIONS ETANT COMPRISE ENTRE 50 ET 300MG ET LES DIMENSIONS DES PORES ENTRE 40 ET 50000A. CES COMPOSITIONS SONT APPLICABLES A LA MISE EN OEUVRE DES PROCEDES D'EPURATION DES OXYDES D'AZOTE A TOUTES TENEURS.
FR7739422A 1977-12-28 1977-12-28 Composition catalytique utilisee notamment dans l'epuration des effluents gazeux pollues par des oxydes d'azote Granted FR2413128A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7739422A FR2413128A1 (fr) 1977-12-28 1977-12-28 Composition catalytique utilisee notamment dans l'epuration des effluents gazeux pollues par des oxydes d'azote
US05/973,626 US4228039A (en) 1977-12-28 1978-12-27 Catalytic composition used in purifying gaseous effluents polluted by nitrogen oxides and process for preparing the composition
JP16128178A JPS54100995A (en) 1977-12-28 1978-12-28 Catalyst composition and manufacture for purifying nitrogen oxide polluted flowwout gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7739422A FR2413128A1 (fr) 1977-12-28 1977-12-28 Composition catalytique utilisee notamment dans l'epuration des effluents gazeux pollues par des oxydes d'azote

Publications (2)

Publication Number Publication Date
FR2413128A1 true FR2413128A1 (fr) 1979-07-27
FR2413128B1 FR2413128B1 (fr) 1981-12-04

Family

ID=9199421

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7739422A Granted FR2413128A1 (fr) 1977-12-28 1977-12-28 Composition catalytique utilisee notamment dans l'epuration des effluents gazeux pollues par des oxydes d'azote

Country Status (3)

Country Link
US (1) US4228039A (fr)
JP (1) JPS54100995A (fr)
FR (1) FR2413128A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4868150A (en) * 1987-12-22 1989-09-19 Rhone-Poulenc Inc. Catalyst support material containing lanthanides
US6069111A (en) * 1995-06-02 2000-05-30 Nissan Motor Co., Ltd. Catalysts for the purification of exhaust gas and method of manufacturing thereof
US20040024071A1 (en) * 2002-08-01 2004-02-05 Meier Paul F. Perovskite compositions and method of making and process of using such compositions

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2299909A1 (fr) * 1975-02-04 1976-09-03 Azote & Prod Chim Epuration des effluents gazeux contenant des oxydes d'azote

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029738A (en) * 1971-12-02 1977-06-14 Societe Francaise Des Produits Pour Catalyse Decomposing nitrogen oxides with nickel-iron-chromium catalysts
US3857921A (en) * 1972-09-27 1974-12-31 Asahi Chemical Ind Method for eliminating nitrogen oxides and catalyst composition for use in practicing said method
JPS506590A (fr) * 1973-05-21 1975-01-23
JPS5220197B2 (fr) * 1973-10-29 1977-06-01
JPS5085565A (fr) * 1973-12-05 1975-07-10
JPS50126570A (fr) * 1974-03-26 1975-10-04
US3995357A (en) * 1974-12-16 1976-12-07 Caterpillar Tractor Co. Integrally cast bearing, method and apparatus for making same
JPS52123371A (en) * 1976-04-09 1977-10-17 Mitsubishi Chem Ind Ltd Decomposition of nitrogen oxides by catalytic reduction

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2299909A1 (fr) * 1975-02-04 1976-09-03 Azote & Prod Chim Epuration des effluents gazeux contenant des oxydes d'azote

Also Published As

Publication number Publication date
US4228039A (en) 1980-10-14
JPS54100995A (en) 1979-08-09
JPS6219895B2 (fr) 1987-05-01
FR2413128B1 (fr) 1981-12-04

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Legal Events

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