In order to improve the ultrafine vertical mill rate, the roughing operation can also use a gold jig to replace the sluice, and replace the gold pan with a jig and a shaker.3. ConcentrationThe commonly used beneficiation equipment are shaker table, jig, mercury amalgamation cylinder, magnetic separator, electric separator, and the like. After these treatments, the gold department was concentrated in the mercury paste.
1. Large grain gold (greater than 5 mm)
2. Coarse grain gold (1.65 ~ 5 mm)
3. Medium grain gold – 0.83 ~ 1.65 mm
4. fine grain gold – 0.42 ~ 0.83 mm
5. Particulate gold – 0.15 ~ 0.42 mm
6. Floating gold – less than 0.15 mm.