METHOD OF CONCENTRATION OF GOLD-CONTAINING SANDS AND SLUICING DEVICE FOR ITS EMBODIMENT Russian patent published in 1997 - IPC

FIELD: metallurgy, particular, methods of concentration of gold-containing sands and sluicing device. SUBSTANCE: the offered method includes supply of sands to sluice, separation of coarse gold on sluice of deep filling, fractional classification in water, concentration of fine fold particles in space under screen, additional disintegration of particles and final recovery of fine gold on sluice of shallow filling. The sluicing device for embodiment of the offered method includes trough, slotted screen, sluices of deep and shallow filling. Installed in slice of shallow filling are plate deflectors. EFFECT: increased recovery of fine gold and simplified sluicing device. 2 cl, 1 dwg, 1 tbl