FR2450279A1 - Procede d'attaque chimique en atmosphere gazeuse controlee et a haute temperature d'un minerai et installation pour la mise en oeuvre de ce procede - Google Patents

Procede d'attaque chimique en atmosphere gazeuse controlee et a haute temperature d'un minerai et installation pour la mise en oeuvre de ce procede

Info

Publication number
FR2450279A1
FR2450279A1 FR7905326A FR7905326A FR2450279A1 FR 2450279 A1 FR2450279 A1 FR 2450279A1 FR 7905326 A FR7905326 A FR 7905326A FR 7905326 A FR7905326 A FR 7905326A FR 2450279 A1 FR2450279 A1 FR 2450279A1
Authority
FR
France
Prior art keywords
gas
mixt
ore
heat
particles
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
FR7905326A
Other languages
English (en)
French (fr)
Other versions
FR2450279B1 (enrdf_load_stackoverflow
Inventor
Jean-Pierre Henin
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.)
Fives Cail Babcock SA
Original Assignee
Fives Cail Babcock 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 Fives Cail Babcock SA filed Critical Fives Cail Babcock SA
Priority to FR7905326A priority Critical patent/FR2450279A1/fr
Publication of FR2450279A1 publication Critical patent/FR2450279A1/fr
Application granted granted Critical
Publication of FR2450279B1 publication Critical patent/FR2450279B1/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/02Roasting processes
    • C22B1/10Roasting processes in fluidised form
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/02Roasting processes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR7905326A 1979-03-01 1979-03-01 Procede d'attaque chimique en atmosphere gazeuse controlee et a haute temperature d'un minerai et installation pour la mise en oeuvre de ce procede Granted FR2450279A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7905326A FR2450279A1 (fr) 1979-03-01 1979-03-01 Procede d'attaque chimique en atmosphere gazeuse controlee et a haute temperature d'un minerai et installation pour la mise en oeuvre de ce procede

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7905326A FR2450279A1 (fr) 1979-03-01 1979-03-01 Procede d'attaque chimique en atmosphere gazeuse controlee et a haute temperature d'un minerai et installation pour la mise en oeuvre de ce procede

Publications (2)

Publication Number Publication Date
FR2450279A1 true FR2450279A1 (fr) 1980-09-26
FR2450279B1 FR2450279B1 (enrdf_load_stackoverflow) 1982-10-01

Family

ID=9222626

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7905326A Granted FR2450279A1 (fr) 1979-03-01 1979-03-01 Procede d'attaque chimique en atmosphere gazeuse controlee et a haute temperature d'un minerai et installation pour la mise en oeuvre de ce procede

Country Status (1)

Country Link
FR (1) FR2450279A1 (enrdf_load_stackoverflow)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1378748A (fr) * 1963-01-09 1964-11-13 Northern Natural Gas Co Procédé de réduction en magnétite des minerais ferrugineux
US3276858A (en) * 1964-12-07 1966-10-04 Pullman Inc Method for carrying out gas-solids reactions
FR1529136A (fr) * 1967-06-23 1968-06-14 Exxon Research Engineering Co Procédé de réduction de minerais de fer par mise en contact avec des gaz réducteurs
DE1433291A1 (de) * 1964-03-09 1968-11-07 Armco Steel Corp Wirbelschichtreduktion von fein zerteiltem Eisenerz und dazu verwendete Einrichtung
US3985547A (en) * 1974-06-17 1976-10-12 Centro Sperimentale Metallurgico S.P.A. Iron ore reduction in multiple fluidized beds
FR2320351A1 (fr) * 1975-08-05 1977-03-04 Centro Speriment Metallurg Procede de reduction directe de minerais de fer dans des reacteurs a lit fluidise et produits obtenus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1378748A (fr) * 1963-01-09 1964-11-13 Northern Natural Gas Co Procédé de réduction en magnétite des minerais ferrugineux
DE1433291A1 (de) * 1964-03-09 1968-11-07 Armco Steel Corp Wirbelschichtreduktion von fein zerteiltem Eisenerz und dazu verwendete Einrichtung
US3276858A (en) * 1964-12-07 1966-10-04 Pullman Inc Method for carrying out gas-solids reactions
FR1529136A (fr) * 1967-06-23 1968-06-14 Exxon Research Engineering Co Procédé de réduction de minerais de fer par mise en contact avec des gaz réducteurs
US3985547A (en) * 1974-06-17 1976-10-12 Centro Sperimentale Metallurgico S.P.A. Iron ore reduction in multiple fluidized beds
FR2320351A1 (fr) * 1975-08-05 1977-03-04 Centro Speriment Metallurg Procede de reduction directe de minerais de fer dans des reacteurs a lit fluidise et produits obtenus

Also Published As

Publication number Publication date
FR2450279B1 (enrdf_load_stackoverflow) 1982-10-01

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Legal Events

Date Code Title Description
ST Notification of lapse