Refine Material

The process(es) by which the material is treated further in order to separate the desired material(s) from its unwanted matrix (gangue) material and so generate a purified product.

Typical processes include:

Electrowinning, Solvent extraction, Ion exchange, Dissolution and selective precipitation, Osmosis, Leaching, Gravimetric separation, Magnetic separation, Adsorption, Calcination, Cementation, Distillation, Filtration, Washing, Roasting, Drying, Reduction, Oxidation, Smelting