Thickening of gold process slurries
AssigneeNalco Chemical Company
InventorsDavid O. Owen, Lawrence J. Connelly
Life of this patent
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Abstract
A process for thickening gold ore slurries or slimes for gold purification which comprises adding to such gold ore slimes an effective amount of flocculant comprising a terpolymer containing 5-35 mole % 2-AMPS, 5-45 mole % sodium acrylate and 50-90 mole % acrylamide, said terpolymer having an RSV of at least 20.
Claims1
A process for thickening gold ore process slurries or slimes produced by cyanidation which comprises adding to such gold ore slurries or slimes an effective amount of flocculant comprising a terpolymer containing 6.7-13.3 mole % 2-AMPS, 6.7-13.3 mole % sodium acrylate and 73.4-86.6 mole % acrylamide, said terpolymer having an RSV of at least 20.
Dependencies are inferred from the claim text.