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The specific heats of coals, cokes and their ashes

✍ Scribed by M.J. Richardson

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 855 KB
Volume: 72
Category: Article
ISSN: 0016-2361
DOI: 10.1016/0016-2361(93)90307-n

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✦ Synopsis

Specific heats of a range of coals, cokes and ashes have been measured from 300 to 600 K (coals, cokes) or 1000 K (ashes) using differential scanning calorimetry. There is a rapid increase of specific heat with the content of volatile matter in the region O-10 wt% followed by only mild increases at higher concentrations. A general equation is given expressing the heat capacity of a daf coal in terms of proximate composition and temperature. It provides a simple and accurate method of assessing enthalpy changes up to 600 K--the onset of volatilization for many bituminous coals.

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