The placer gold ore with high content of clay ( The gold ore condition of this project in Ghana ) needs to use rotary scrubber wash plant to wash first. The cone screen at the end of body drum of rotary scrubber machine can screen the big stones out.

After washing, and then choose the suitable separator to separate gold with valueless materials.

Finally, using shaking table to remove the impurities from the gold concentrates that has got from gold separators.