directly offer copper ore grinding ball mill to 400 mesh
An 8 x 7 diaphragm type ball mill grinding 0.5″ copper ore to 96% passing 65 mesh. ... this test simulates an open circuit by grinding the sample in a ball mill until 85 percent passes 20 mesh. The ball mill product is further ground in a jar mill until 92 percent passes 200 mesh. Index I is derived from the product screen analvsis plot of ...
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