C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
53/291, 252/30
C01G 3/00 (2006.01) C22B 3/30 (2006.01)
Patent
CA 1093537
A B S T R A C T Process for the separation, by liquid-liquid extraction, of copper values from an acidic aqueous solution containing copper values, which process comprises contacting the acidic aqueous solution with an organic extractant comprising (a) a substantially water-immiscible organic solvent, (b) a hydroxy-oxime or a mixture of hydroxy-oximes capable of extracting copper values and (c) an .alpha.,.beta.-dioxime or a mixture of .alpha.,.beta.-dioximes.
289434
Koenders Peter
Kok Riekert
Van Der Zeeuw Abraham J.
Shell Canada Limited
Smart & Biggar
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