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The use of differential scanning calorimetry to identify coals susceptible to spontaneous combustion

Garcia, P. and Hall, P.J. and Mondragon, F. (1999) The use of differential scanning calorimetry to identify coals susceptible to spontaneous combustion. Thermochimica acta, 336 (1-2). pp. 41-46. ISSN 1872-762X

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Abstract

Non-isothermal oxidation enthalpies have been measured for three Colombian coals which have been weathered under ambient conditions for period up to 105 days. It was found that although the total oxidation enthalpies decreased with increasing oxidation the decrease was not systematic. It was thought that the random behaviour was due to weight losses during the course of the experiments. It was noted that the onset temperature of oxidation increased with oxidation in a more systematic way and also increased with increasing coal rank. It was therefore proposed that the onset temperatures was a better indicator of the propensity of the coals to oxidation.

Item type: Article
ID code: 17514
Keywords: differential scanning calorimetry, coal, spontaneous combustion, weathering, Chemistry
Subjects: Science > Chemistry
Department: Faculty of Engineering > Chemical and Process Engineering
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 22 Apr 2010 11:56
    Last modified: 04 Oct 2012 12:57
    URI: http://strathprints.strath.ac.uk/id/eprint/17514

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