Effect of media shape on particle breakage in a batch ball mill: lessons learnt from population balance model and attainable region technique

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Abstract:

The batch grinding equation and the Attainable region technique tools were used in evaluating data obtained from the breakage of quartz ore in a laboratory batch ball mill. Using the same milling conditions and grinding equipment, test results were evaluated through the breakage distributions of different size fractions. Results prove that mixing different grinding media increases volume of grinding zones and that translates to an improvement in grinding kinetics and amount of required PSD. The tools are valuable and practical ways of evaluating the breakage of materials on the size fractional base and results of which can be used in the mathematical modelling and optimizing of ball milling unit operations.

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Effect of media shape on particle breakage in a batch ball mill: lessons learnt from population balance model and attainable region technique

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