Banerjee, D.; Hirani, M.; Sanyal, S. K. - In: Applied Energy 66 (2000) 3, pp. 267-275
Coal's quality deterioration has been assessed by measuring its carbon and hydrogen contents, calorific value, hard groove grindability index, and reactivity by a differential-scanning calorimeter (DSC). The deterioration, was more prominent in sunny days with intermittent rain. Annually...