C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/375
C22B 23/00 (2006.01) C01G 3/00 (2006.01) C01G 9/00 (2006.01) C01G 51/00 (2006.01) C01G 53/00 (2006.01) C22B 3/26 (2006.01) C22B 3/30 (2006.01) C22B 3/36 (2006.01) C22B 15/00 (2006.01)
Patent
CA 1053914
ABSTRACT Nickel, cobalt, copper or zinc is recovered from a sulfate solution by mixing the solution with a organic phase containing a chelating reagent and con- trolling the pH with a solid calcium base to a value lower than that at which the metal in question hydrolyzes.
225719
Babjak Juraj
Ettel Victor A.
Oliver Andrew J.
Inco Limited
Na
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