C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
53/296
C01G 53/11 (2006.01)
Patent
CA 1103935
SELECTIVE PRECIPITATION OF NICKEL AND COBALT FROM ACIDIC SULFATE SOLUTION ABSTRACT OF DISCLOSURE A method for efficiently precipitating nickel sulfide from an acidic nickel sulfate solution having a pH between 1.5 and 4, containing about 1 to 40 gpl nickel, optionally contain- ing cobalt, and containing sufficient inert soluble sulfate salt to buffer the solution to control the pH at a range of 1.5 to 4 during the precipitation of nickel sulfide at relatively low tem- perature and pressure.
307355
Jha Mahesh C.
Meyer Gustavo A.
Wicker Gordon R.
Amax Inc.
Smart & Biggar
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