Question: A ball mill, 1 . 2 m in diameter is operated at 0 . 8 Hz . The feed has an average particle size of

A ball mill, 1.2m in diameter is operated at 0.8 Hz. The feed has an average particle size of 0.06m.
It is found that the mill is not working properly. What modifications in operating conditions should
be made, if any? [K=35]

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