Abstract
The heats of immersion of both bituminous coals (Virginia-C and Kentucky-Blend) and subbituminous coals (Wyodak) in alkanols have been determined micro-calorimetrically. Studies have been made of the effects on immersional heat release of varying outgassing conditions and prior extraction of the coal samples with methanol. Investigations of the heat release and the rate of heat release across the range of simple alkanols containing from one to ten carbon atoms show considerable variation in behaviour, with the butanol isomers revealing particularly striking differences. The observed values of the heats of immersion are interpreted in terms of limited alcohol accessibility to the pore structure of the coals.
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