O- hydroxyaryloxime - alkylphenol composition and use...

Details O- hydroxyaryloxime - alkylphenol composition and use... O- hydroxyaryloxime - alkylphenol composition and use...

C - Chemistry, Metallurgy

25

C

252/30, 53/375

C25C 1/12 (2006.01) C01G 3/00 (2006.01) C22B 3/26 (2006.01)

Patent

CA 1096358

ABSTRACT OF THE DISCLOSURE A process for extracting metal values from aqueous solutions of metal salts which comprises the steps of contacting the aqueous solution with a solution in a water-immiscible organic solvent of one or more o-hydroxyaryloximes containing at least 3 aliphatic or alicyclic carbon atoms and which are strong metal extractions and one or more alkylphenols optionally containing one chlorine atom or one cyano group, separating from the aqueous phase the solvent phase containing metal in the form of a complex with the o-hydroxyaryloxime contacting the solvent phase with an aqueous mineral acid, and separating the solvent phase from the aqueous phase containing metal in the form of a salt with the mineral acid.

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