A stochastic approach to sieving kinetics |
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| Authors: | PC Kapur B Ball DW Fuerstenau |
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| Institution: | 1. Department of Metallurgical Engineering, Indian Institute of Technology, Kanpur India;2. AMAX Inc., Extractive Metallurgy Laboratory, Golden, Colo. U.S.A.;3. Department of Materials Science and Mineral Engineering, University of California, Berkeley, Calif. U.S.A. |
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| Abstract: | A model of the batch sieving process based on a stochastic approach is presented. The model indicates that there is an inherent uncertainty associated with sieving results which is a function of the mean sieving rate, degree of choking and sieving time. The model suggests that choking of sieve apertures may lead to a disproportionately high degree of uncertainty. Experimental data for a sonic sifter device gave good semi-quantitative agreement with the model, while that for a Rotap device gave qualitative agreement. |
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