Removal of dissolved cadmium from sulphate solution

Details Removal of dissolved cadmium from sulphate solution Removal of dissolved cadmium from sulphate solution

C - Chemistry, Metallurgy

01

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53/307

C01G 53/10 (2006.01) C01G 3/12 (2006.01) C01G 11/02 (2006.01) C01G 51/10 (2006.01)

Patent

CA 1197691

ABSTRACT OF THE DISCLOSURE A process for selectively removing ions of copper and/or cadmium from a sulphate solution containing nickel and/or cobalt values. The solution is treated at a tempera- ture in the range of from about 85 to about 95°C and at a pH in the range of from about 4.5 to about 5.5 with hydrogen sulphide to precipitate copper and/or cadmium ions as copper and/or cadmium sulphide, and the precipitated copper and/or cadmium sulphide is separated from the solution.

406794

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