Estimation of Coal-Cleaning Costs - USGS…
estimation of economically recoverable coal, in Pierce, B.S., and Dennen, K.O., eds., The National Coal Resource. Assessment . The coal-cleaning process depicted in the default Crushing. Screening. 100 mm x 0 raw coal. 150 mm x 0 ROM coal. Heavy-media vessel .. Society of Mining, Metallurgy, and Exploration,.