Process for recovery of gold using sulphur-containing acidic...

Details Process for recovery of gold using sulphur-containing acidic... Process for recovery of gold using sulphur-containing acidic...

C - Chemistry, Metallurgy

22

B

53/233

C22B 3/42 (2006.01) B01D 15/04 (2006.01) C22B 3/00 (2006.01)

Patent

CA 1337741

Gold is recovered from aqueous solution containing the same with thiourea or derivatives thereof, in which the solution is brought into contact with an ion exchange resin having a sulfonic acid group and then gold adsorbed on the resin is eluted by an eluent containing, for example, thiocyanic acid.

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