hsm placer alluvial gold processing washing . 10t Small Portable Gold Trommel Products JXSC Mine. The mobile gold trommel is a separating machine for gold alluvial gold placer gold sand and river gold in the gold mining plant the ore slurry is rotating in the trommel with the action of rotating trommel the ore size under screen will following to the outlet the size larger than the screen hole ... This plant is widely used for mineral separating,especially in the alluvial,river sand,placer,clay deposit and gravel sand gold diamond concentration. This plant is including the equipment of hopper, trommel screen, jig machine, water pump and sluice box for optional. Features 1. Modular installation and Turn-key operations 2.