Process for cobalt recovery from mixed sulfides

Details Process for cobalt recovery from mixed sulfides Process for cobalt recovery from mixed sulfides

C - Chemistry, Metallurgy

22

B

53/304

C22B 23/00 (2006.01) C01G 3/12 (2006.01) C01G 51/00 (2006.01) C01G 53/00 (2006.01) C01G 53/11 (2006.01) C22B 3/00 (2006.01)

Patent

CA 1147970

Abstract of the Disclosure The metal content of nickel-cobalt mixed sulfide slurries is recovered by atmospheric oxidation leaching, thereafter removing dissolved copper by metathesis with further mixed sulfide feed, treating the filtrate after liquid-solids separation with ammonia to selectively precipitate cobalt, separating the cobalt precipitate and working up the resulting filtrate to recover nickel.

367465

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