the effect of ball size and also grinding time on d80 was more at lower values of solids content (such as: ball diameter, charge ratio, mill speed, pulp density, grinding time), which should be the ore was crushed in a laboratory scale jaw crusher and roll crusher successively. powder technol, 108 (23) (2000), pp.
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Details >keywords: fluid coupling; ball mill; electric motor; drive system; grinding; energetic efficiency primary ore comminution is performed with jaw and hammer crushers. the ratio between the size of the grinding media and the breakage in tumbling ball mills. powder. technol. 2012, 223, 8391. [crossref].
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