Two-stage grinding + two-stage(one-stage) flotation process
Application
It is suitable for uneven thickness copper ore. To reach most copper mineral monomer dissociation, the grinding fineness is thinner. Under this condition, two-stage grinding is applied.
Main technology conditions
-
Minerals under 200 mesh is about 80% or more. (To dissociate most of the mineral monomers)
Grinding fineness
-
After the first stage coarse grinding, part of coarse copper minerals is recovered in flotation. The grade of this part of copper concentrates has high grade, which can enter final concentrating or be as the final concentrates with the comcentrates after flotation.
Flotation technology
Advantages
The two-stage grinding has better effects in grinding efficiency and predicting overgrinding than one-stage fine grinding. Therefore, it is commonly used in middle and large copper processing plant.
