Laboratory Flotation Testing Machines. Small Mining Equipment for Gold, Silver, Copper, Zinc, Lead all Metals . between flotation operations which produce individual mineral concentrates. We sell mining equipment for all metals.
Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. . averaging 2.5 percent copper. By 1991, the average grade of copper ore mined in the US had fallen to only 0.6 percent. printing ink and stickies. Normally the setup is a two-stage system with 3,4 or 5 flotation cells in series.