Recovery method for cobalt contained in copper-containing...

C - Chemistry – Metallurgy – 25 – C

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C25C 1/08 (2006.01) C22B 3/24 (2006.01) C22B 3/26 (2006.01) C22B 23/00 (2006.01)

Patent

CA 2732187

A recovery method for cobalt, wherein copper is removed from acid aqueous solution in which a concentration of copper is more or equal to 10g/L, a concentration of cobalt is less or equal to 5g/L and concentration rate of Cu/Co is more or equal to 5 by a combination of a solvent extraction using an extract agent except oxime series extract agents and a resin adsorption, and then cobalt contained in the copper-removed solution is recovered as electrolytic cobalt by a combination of a solvent extraction and an electrowinning.

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