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SOFREM
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SOFREM
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Application filed by SOFREMfiledCriticalSOFREM
Priority to FR7902585ApriorityCriticalpatent/FR2447402A1/fr
Publication of FR2447402A1publicationCriticalpatent/FR2447402A1/fr
Application grantedgrantedCritical
Publication of FR2447402B3publicationCriticalpatent/FR2447402B3/fr
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B23/00—Obtaining nickel or cobalt
C22B23/02—Obtaining nickel or cobalt by dry processes
C22B23/023—Obtaining nickel or cobalt by dry processes with formation of ferro-nickel or ferro-cobalt
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
C22B5/00—General methods of reducing to metals
C22B5/02—Dry methods smelting of sulfides or formation of mattes
C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
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
C22B5/00—General methods of reducing to metals
C22B5/02—Dry methods smelting of sulfides or formation of mattes
C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
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Engineering & Computer Science
(AREA)
Chemical & Material Sciences
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Manufacturing & Machinery
(AREA)
Materials Engineering
(AREA)
Mechanical Engineering
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Metallurgy
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Organic Chemistry
(AREA)
Manufacture And Refinement Of Metals
(AREA)
FR7902585A1979-01-261979-01-26Procede de reduction selective de laitiers oxydes a faible teneur en cobalt par introduction controlee du reducteur
GrantedFR2447402A1
(fr)