A coal sample obtained from Khushab District northern Punjab was characterized for various parameters of coal analysis. It we found from the ultimate and proximate analysis that fmad carbon is a lightly above 40%, which shows that this coal has not reached its maturity and can be ranked between peat and lignite. It was also found that it contain about 2.98% total sulfur, which is an indication that it can be used for metallurgical purposes. The coal has been desulfurized with KOH, NaOH and HNO3 and the sulfur percentage has decreased to 0.001%, 0.01% and 0.006% respectively with these leachants. Calorific value of virgin coal (untreated sample) has been found to be 6195 calories/g but has increased to 10448 calories/g after particularly being leached with (KOH).The coal was also leached with hydrochloric acid and nitric acid to determine the Icachability of these two acids for mineral elements such a copper (Cu), iron (Fe), calcium (Cs), magnesium (Mg), nickel (Ni), mangnesium (Mn), chromium (Cr) and cadmium (Cd). It we found that a very reasonable amount of these minerals could be extracted with these leachants.
M ISHAQ ,I AHMAD ,N TAJ ,A BAHADER ,M SHAKIRULLAH ,
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