Development Of A Production Process For Coal
A new production process for coal-water-mixture (cwm) has been suc-cessfully developed. it is characterized by high productivity per mill volume, and controllability of particle size.Ball mill crushing coal . ball mills have been used for the preparation of coal–oil and conventional coal–water slurry fuels also in large sizes up to a capacity of 50 tonnes of coal per hour (austin et al. ). ball mills are commonly used for crushing and grinding the materials into an extremely fine.