Abstract
A grinding model has been developed which can be used to predict the product size distribution at any retention time in a batch grinding mill, given the feed size distribution and product size distribution at any other retention time. This model differs from other models published in that (1) the breakage function is completely specified through the Schuhmann equation and a mass balance, and (2) the apparent selection function is assumed to be dependent on the size distribution of the material in the mill, as well as the particle size being considered. These two factors have been used to develop a model which can make use of data obtained from grinding a size distribution to predict the results of grinding over a 10-fold change in size modulus.
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