METHOD FOR LEACHING OF GOLD-CONTAINING SULFIDE-ARSENICAL ORES Russian patent published in 1996 - IPC

Abstract RU 2056504 C1

FIELD: mining industry. SUBSTANCE: method for leaching of gold-containing sulfide- arsenical ores includes treatment of ore with leaching solution and pulp electric stimulation. Novelty consists in gradual supply by portions of leaching agent to reactor that is responsible for change of pulp pH from acid (pH<7) to alkali (pH>7) in the course of a number of cycles during the entire leaching process. EFFECT: higher efficiency. 4 cl

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RU 2 056 504 C1

Authors

Sekisov A.G.

Piskunov S.A.

Dzitiev A.A.

Novikov A.I.

Dates

1996-03-20—Published

1995-10-23—Filed