FIELD: concentration of minerals. SUBSTANCE: proposed method includes forming of primary pulp and supplying it to main and auxiliary sluices. Main sluice has constant angle of inclination and template of constant parameters. Additional sluice has template with adjustable parameters; it is mounted at angle lesser than angle of main sluice. At main sluice outlet, pulp is divided into upper and lower parts; lower part of pulp is directed to additional sluice inlet. Upper part of pulp is discharged to accumulator. Lower part of pulp is mixed and degassed at additional sluice inlet. In additional sluice, pulp is acted on by acoustic action by means of hydro-acoustic radiators of ultrasonic, audio and bass frequency ranges. EFFECT: enhanced efficiency of entrapping fine gold; reduction of technological losses. 4 dwg
