Trommel Wash Plant Placer Gold Separate Equipment . Trommel Wash Plant Placer Gold Separate Equipment . GT series placer gold separate equipment also called trommel screen, is widely applied in gold mining, especially the alluvial gold. It is usually used at the first step of gold mining so as to wash and screen out the unuseful rocks initially.
Black sand gold ore is kind of placer gold and the extraction of gold from this black sand is similar to that of the normal placer gold ore. There are heavy metals associated with gold. Some black sands separate reasonably easily from the heavier metals while some do not.