Separation of metals

Details Separation of metals Separation of metals

C - Chemistry, Metallurgy

22

B

53/168

C22B 3/30 (2006.01) C01G 55/00 (2006.01)

Patent

CA 1036363

ABSTRACT OF THE DISCLOSURE This invention relates to a process for the separation of palladium present in aqueous solutions which also contain the salts of one or more of the platinum group metals platinum, rhodium, ruthenium, osmium and iridium. According to one embodiment of the invention the process comprises the steps of: (a) adjusting, as necessary, the pH of the platinum group metal-containing solution to render the solution acidic; (b) contacting the so-obtained acidic solution with an oxime solvent; and (c) removing from contact with the acidic solution the organic phase containing substantially all of the palladium present in association with the oxime solvent - 1 -

215706

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