Process for purifying nickel sulfate solution

Details Process for purifying nickel sulfate solution Process for purifying nickel sulfate solution

C - Chemistry, Metallurgy

22

B

53/307

C22B 23/04 (1980.01)

Patent

CA 1103936

Abstract of the Disclosure A sulfate solution of nickel or nickel and cobalt is purified to remove copper therefrom by a method which entails cementation with pieces of electrochemically active nickel. Ferrous iron is removed from the solution by oxidizing it in the presence of a predetermined amount of dissolved copper and co-precipitating all of the iron with some of the copper prior to the cementation operation.

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