Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1978-05-04
1979-03-13
Ozaki, G.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
75 80, 75 82, 75104, 75113, 75114, 75119, 75121, 423 49, 423150, C22B 2300, C22B 4700
Patent
active
041440560
ABSTRACT:
A process for recovering the metals manganese, nickel, and cobalt from their oxides and silicates in which the metal oxide or silicate is heated with ferric chloride in the absence of air and in the presence of a volatility depressant salt which is preferably an alkaline metal chloride or ammonium chloride to form the soluble chloride of the metal followed by dissolving the metal chloride from the residue and recovering the metal from the chloride solution by electrolysis, cementation or other standard recovery procedure.
REFERENCES:
patent: 3258331 (1966-06-01), Jones
patent: 3661564 (1972-05-01), Gandon et al.
patent: 3876415 (1975-04-01), Bell et al.
patent: 3894927 (1975-07-01), Kane et al.
patent: 3903236 (1975-09-01), McCutcheon et al.
patent: 3992507 (1976-11-01), Cardwell et al.
Cato Research Corp.
Ozaki G.
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