For alluvial gold, also called sand gold, gravel gold, placer gold or river gold. Gravity separation is suitable for it.
This type of gold ore contains mainly free gold blended with sand/soil. Under this circumstance, the main process is to wash away the mud/soil, and screen out big size stones/gravels with trommel screen, then using Jig machine / Gold concentrator, gold shaker table, as well as the gold carpet to separate the free gold particles out from sand/soil.
Pineer offers complete gold wash plants irrespective of the material quality.
The gold washing plant mainly includes feeding, washing, sieving, rough separation, final concentration, and gold refining; and could effectively get more than 90% gold recovery in production.