THICKENING OF GOLD PROCESS SLURRIES AND SLIMES

THICKENING OF GOLD PROCESS SLURRIES AND SLIMES

6530-448 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...

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Bibliographische Detailangaben
Hauptverfasser: KAESLER, RALPH W, OWEN, DAVID O
Format: Patent
Sprache:eng ; fre
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:6530-448 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.degree.C.