asia mining ball mill - samariter-rubigen.ch
The performance of the nine 5.5 m diameter × 6.4 m mills (18 × 21 ft) initially installed at Bougainville Copper Ltd. did not meet the laboratory and pilot plant derived design expectations as measured by Bond Work Index.During the post-commissioning period, inefficient grinding of coarse material resulted in a build-up of large circulating loads and led to reduced throughputs …
