wolframite dry tailings discharge in niger
Mini Portable Gold Sluice Box With Mobile Trommel Screen Buy .
The fine gold is easy to floating on the water and discarded as tailings. . Dry washing . A trommel is composed of a slightly inclined rotating metal tube (the 'scrubber section') with a screen at its discharge end. . zinc, iron, nickel, chrome, titanium, vanadium, tungsten, molybdenum, manganese, arsenic, stibium, mercury,.Live Chat