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The effect of ball mill operating parameters on mineral liberation by hector e. rojas dissertation submitted to the faculty of the virginia polytechnic institute and state university in partial fulfillment of the requirements for the degree of masters of science in mining and minerals engineering approved g. t. adel, chairman. e.yoon.

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Run of mine rom coal is crushed byor use in domestic ovens. jaw crusher hammer crusher ball mill tube mill the material is crushed inyratory crusher by the action of impact compression attrition cutting pick out the wrong statement pertaining to the roll crushers. maximum feed size determines the required roll diameter.

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