FIELD: process engineering.
SUBSTANCE: invention relates dressing of minerals and may be used for extraction of fine conducting particles, e.g. gold, silver, platinoids from metal-containing gravel deposits of various genesis. Proposed method consists in that single magnetic field pulses are generated to shape travelling magnetic field pulse groups. Note here that said pulses are synchronised in said group while pulse amplitude and group repetition rate are selected to ensure required extraction of valuable particles from bulk flow.
EFFECT: higher efficiency, power savings, expanded range of extracted particles.
4 cl, 4 dwg
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