METHOD FOR MIXTURES SEPARATION Russian patent published in 1997 - IPC

FIELD: benefication of mineral resources, that is extraction of gold and platinum from gold placers. SUBSTANCE: method provides loading of material on screen, that makes arc-shape movement in liquid, its separation and separated products unloading. Movement of screen is exercised so, that each its point makes vibrations with amplitudes proportionally increasing in vertical and decreasing in horizontal planes depending upon distance of the point of screen to immovable point, around which screens are making swinging movements. EFFECT: increased effectiveness of gold extraction.