Abstract
WHILE examing the beneficiation of fine coal from the Bulli seam, New South Wales, by froth flotation, the hydrophobic characteristics of the coal were observed. Air-borne dust from this seam had an average composition of fixed carbon 60 per cent, volatiles 26 per cent, ashforming constituents 12.5 per cent and moisture 1.5 per cent. This dust contained a high proportion of vitrain.
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