Tribo electrostatic behaviour of high ash non coking
2006 11 1 In India, more than 75% of non coking coal produced is used for power generation. At present, nearly 200 million tonnes/year of coal are used for power generation and the average ash in coals is invariably above 40%. Electrostatic beneficiation of coal. Y.A. Liu Ed., Physical Cleaning of Coal Present and Developing Methods, Marcell