FIELD: solid materials separation and sorting. SUBSTANCE: method of metal particles extraction from natural material provides for initial material preliminary size screening, crushing of preliminary screened over latticed product with simultaneous rolling or pressing of metal particles to make them flat, repeated screening of crushing process products by sizing screen with size of screening holes equal to size of screening holes used for preliminary size screening. Flattened metal particles are removed as over latticed product for repeated size screening. EFFECT: increased productivity. 3 dwg, 2 tbl
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Authors
Dates
1996-04-10—Published
1993-05-28—Filed