C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/287
C22B 15/00 (2006.01) C22B 3/06 (2006.01)
Patent
CA 1217346
ABSTRACT OF THE DISCLOSURE HYDROMETALLURGICAL RECOVEY OF METAL VALUES FROM COPPER CONTAINING SULPHIDE MATERIALS A process for the hydrometallurgical recovery of metal value, particularly copper, from copper-containing sulphide materials in which the material is conventionally ground and reacted with a solution containing less than 3 moles per litre of chloride ion, and optionally as little as 15 g/litre, together with sulphate ions with continuous oxygen injection and vigrous agitation. The reacting may be carried out at a pH in the range of 0.5 - 4, at moderate pressure as low as atmospheric pressure and at a moderate temperature below the boiling point of the solution such as 85°C.
433164
Sawyer Hugh D.
Shaw Raymond W.
Broken Hill Associated Smelters Proprietary Limited (the)
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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