The Bond ball mill work index (BWI) data were used to determine the ball mill power requirement. Table 1 summarises the 75th percentile values for the various comminution parameters used to determine plant throughput and mill power draw. A more complete list of comminution data is provided in Appendix 1.

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erence to the flow behaviour of a pebble bed are discussed. Various parameters of geometry are in- vestigated as well as the influence of friction, of specific ball weight and of relative ball diameter as functions of pebble bed height. Results are plotted in form of residence spectra. From these results

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Get PriceThe Bond ball mill work index (BWI) data were used to determine the ball mill power requirement. Table 1 summarises the 75th percentile values for the various comminution parameters used to determine plant throughput and mill power draw. A more complete list of comminution data is provided in Appendix 1.

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