Iron ore beneficiation process should be as efficient, simple to the extent possible in the most appropriate ... In the concentrator, the crushing and grinding operations of equipment investment, production. ... The 425-2500mesh mill plant >
A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting .... Attrition between grinding balls and ore particles causes grinding of finer particles. SAG mills are characterized ... pebbles and ore particles. May be used where product contamination by iron from steel balls must be avoided.