FIELD: dressing of natural minerals, thin gold dressing in particular. SUBSTANCE: dressing device has box-type body with working surface provided with stencils made of magnetoneutral material. Stencils are filled with layer of magnetoactive dispersion material held in the place from drawing away by running water due to magnetic member mounted under body. To provide concentrate unloading body and magnetic member are mounted so as to be capable of turning in different sides. During operation thin gold gets on the layer, where it is kept by dispersion particles, penetrates through them and large particles and lightweight fraction are sliding over the layer and go to unloading in tailing product. EFFECT: improved thin gold dressing process. 1 dwg
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