Computer simulation is a very useful tool to predict the performance of a coal beneficiation plant when it is still on the drawing board. Simulation can also be useful in predicting the plant performance when the linkages of the collieries for the raw coal are proposed to be changed. This paper describes a simulation package developed in India with the example of a case study of Patherdih coal washery. The original program and the algorithms were developed under a research grant of Department of Coal through CMPDIL (Project No. CP 8) at IIT, Kharagpur. Thereafter, the programs have been continually up-dated at CMPDIL, ISM and CMRI. Further work on the software has been done under Project No. CP 35.
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