METHOD FOR ROUGH CONCENTRATION OF FINE-CLASS PLACER GOLD Russian patent published in 1994 - IPC

Abstract RU 2024318 C1

FIELD: mineral concentration. SUBSTANCE: method includes disintegration and washing of initial material in washing drum - scrubber, classification by vibroshaker to class of 2 mm, treatment of material by rotary disintegrator and concentration by screw sluice. EFFECT: higher efficiency. 2 dwg

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RU 2 024 318 C1

Authors

Uskov Nikolaj Nikolaevich

Ostashchenko Boris Andreevich

Dates

1994-12-15—Published

1990-12-25—Filed