Effect of some operating variables on the performance of a 150 mm Heavy Medium Cyclone treating high ash Indian Coking CoalThonangi Gouri Charan, G.S. Jha, K.M.K. Sinha, U.S. Chattopadhyay and Kalyan SenE3S Web Conf., 18 (2017) 01013DOI: https://doi.org/10.1051/e3sconf/201712301013