This process focuses on liberating the mineral/metal from the ore (including crushing and/or grinding), concentration of the desired material (adding of re-agents), separation and removal of waste, and recovery of the desired final material (drying, sizing, etc.). The process also includes all of the associated chemical and metallurgical processes, storage of waste, and discarding of tailings or waste product.
Typical processes include:
Crushing, Milling, Floatation, Magnetic separation, Gavimetric separation, Leaching, Filtration, Cementation, Calcination, Sizing, Sorting, Blending, Washing, Drying, Roasting, Smelting
It is also possible that, in certain cases, the material generated at this stage is a saleable product.
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