Purification of zinc sulphate solution

Details Purification of zinc sulphate solution Purification of zinc sulphate solution

C - Chemistry, Metallurgy

01

G

23/364, 23/89

C01G 9/06 (2006.01) C22B 3/46 (2006.01)

Patent

CA 1133228

ABSTRACT OF THE DISCLOSURE A process is disclosed for removal of cobalt, nickel, cadmium and copper impurities from zinc sulphate solution by cementation with zinc dust alloy consisting of, by weight, 0.001 to 0.06%, preferably 0.001 to 0.03% aluminum, 0.05 to about 2.0%, preferably 0.05 to 1.0% lead, and the balance zinc. The alloy can additionally contain 0.02 to 0.1% copper.

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