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 (enExample
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

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/10—Roasting processes in fluidised form
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting 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 (enExample) 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 (enExample)

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 (enExample) 1982-10-01

Similar Documents

Publication Publication Date Title
US4288420A (en) Removal of nitrogen oxides and sulfur oxides by ammonia
JPS5725417A (en) Heat-treating apparatus for preparing carbon fiber
JPS5758012A (en) Method and device for waste gas treatment
GB2003128A (en) Process and apparatus for the combined treatment of solid waste and waste water
JPS51111941A (en) Utilization method of exhaust heat of heating furnace & heating furnac e structured to utilize exhaust heat
YU274079A (en) Method of removing undesired gaseous components from hot waste gases
JPS5554532A (en) Ammonia recovering method
JPS5615843A (en) Regeneration of denitrification catalyst
JPS55104433A (en) Continuous heat treating apparatus
BR9812421A (pt) Método para produzir carbeto de ferro
JPS57187523A (en) Reheating method of treated gas in flue gas desulfurization
FR2441138A1 (fr) Procedes et appareils de sechage et de prechauffage de particules metalliques de petites dimensions
JPS56142314A (en) Scrap preheating method and device therefor
JPS53133513A (en) Operating method for continuous heat treatment furnace
JPS63252978A (ja) 膨張黒鉛の製造方法
JPS5616618A (en) Continuous annealing furnace
JPS5581724A (en) Treatment of sintered exhaust gas
SU904326A1 (ru) Способ прямого восстановления металлов из окислов
JPS5732716A (en) Treating method for waste gas
JPS5660626A (en) Process for treating hydrogen-chloride-containing waste gas
SU919347A1 (ru) Способ очистки газа от сероводорода и цианистого водорода
SU1748899A1 (ru) Способ обработки материалов в водородсодержащей среде
Sjoberg et al. Recovery of Coated and Painted Scrap by Thermal Separation
JPS5651292A (en) Treatment of urban garbage
JPS5222513A (en) Heating furnace apparatus

Legal Events

Date Code Title Description
ST Notification of lapse