FIELD: mineral gravity concentration, particularly, recovery of flake gold from rebellious sands and ores. SUBSTANCE: plant has straight inclined trough with coating and riffles. Installed along trough bottom is pocket with deflector plate. Riffles are made of two parts, one of which is located at angle to trough bottom, and the other is parallel to bottom. Said parts are installed to form slots between them which are perpendicular to pulp flow. EFFECT: higher recovery of fine and flake gold. 5 dwg
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