Solvent-extraction process for recovery and separation of...

Details Solvent-extraction process for recovery and separation of... Solvent-extraction process for recovery and separation of...

C - Chemistry, Metallurgy

22

B

53/291, 53/308,

C22B 5/00 (2006.01) B01D 11/04 (2006.01) C01G 9/00 (2006.01) C01G 51/00 (2006.01) C01G 53/00 (2006.01) C22B 3/26 (2006.01) C22B 3/34 (2006.01) C22B 3/40 (2006.01)

Patent

CA 1091042

Abstract of the Disclosure.- The metal value separation efficiencies of aliphatic .alpha.-hydroxy oximes in solvent-extraction processes are enhanced by the addition to the solvent-extractant of an alkyl aromatic sulfonic acid having a molecular weight of at least about 400, the mole % of the sulfonic acid in the combined sulfonic acid and hydroxy oxime being in the range of 10 to 80. Especially important applica- tions for the improved solvent extractant are in the separation and recovery of copper from iron, nickel from iron, nickel from cobalt, copper from cobalt, copper from nickel, copper from zinc, zinc from nickel, nickel from zinc, zinc from iron and cobalt from zinc in acidic aqueous media.

273157

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