Solvent extraction process for recovery of zinc

Details Solvent extraction process for recovery of zinc Solvent extraction process for recovery of zinc

C - Chemistry, Metallurgy

22

B

53/291, 53/329

C22B 3/30 (2006.01) C01G 3/00 (2006.01) C01G 9/00 (2006.01)

Patent

CA 1239019

ABSTRACT OF THE DISCLOSURE A process for recovery of zinc values from aqueous ammoniacal solutions employing certain alkylsalicylaldox- imes or acetophenoximes as the extractant. The method also provides a means for separation of the zinc and cop- per values present in the aqueous ammoniacal solution. The zinc and copper values are separately recovered from the organic phase by pH controlled stripping.

498719

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