Thickening of gold process slurries and slimes

Details Thickening of gold process slurries and slimes Thickening of gold process slurries and slimes

B - Operations, Transporting

01

D

134/54

B01D 17/05 (2006.01)

Patent

CA 1296968

6530-448 ABSTRACT A process for thickening gold slurries or slimes for gold purification which comprises adding to such gold slurries or slimes an effective amount of flocculant comprising a terpolymer containing 2-35 mole % methylsulfonate, 5-45 mole % acrylic acid salt and 50-90 mole % acrylamide, or 2-35 mole % taurate, 5-45 mole % acrylic acid salt and 50-90 mole % acrylamide, said terpolymers having an RSV of at least 20, when measured on an 0.045 % by weight aqueous solution, at a pH of 9.0 and a temperature of 30°C.

543226

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