Thickening of gold process slurries

Details Thickening of gold process slurries Thickening of gold process slurries

1987-08-26

1988-11-22

Stoll, Robert L.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75105, 75118R, 423 26, 423 29, 210734, 210728, C22B 700

Patent

active

047863188

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.

REFERENCES:
patent: Re28474 (1983-12-01), Anderson et al.
patent: Re28576 (1983-12-01), Anderson et al.
patent: 3203968 (1965-08-01), Sebba
patent: 3284393 (1966-11-01), Vanderhoff et al.
patent: 3339730 (1967-09-01), Boutin et al.
patent: 4342653 (1982-08-01), Halverson
Search 1720: Sulfonate Polymers as Flocculants or Mineral Processing Agents.
Flocculants for Processing of Gold and Silver Ores-Chemical abs. #1588.

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