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Assessment of the Likelihood of Underground Coal Oxidation and Self-Ignition: A Review

Assessment of the Likelihood of Underground Coal Oxidation and Self-Ignition: A Review Standard and alternative methods of assessing the likelihood of coal oxidation and self-ignition in the bed are analyzed. These methods are based on the change in the petrographic, physicomechanical, chemical, and thermal properties of the coal on oxidation. Most of the methods are unsuitable for identification of the initial stage of coal oxidation. The onset of self-heating may be better determined on the basis of the surface properties of the coal: in particular, the hydrophobic–hydrophilic balance and the sorptional properties of internal surfaces. The extraction, transportation, and analysis of the coal sample from the bed must prevent contact with the air. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Coke and Chemistry Springer Journals

Assessment of the Likelihood of Underground Coal Oxidation and Self-Ignition: A Review

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References (30)

Publisher
Springer Journals
Copyright
Copyright © Allerton Press, Inc. 2020
ISSN
1068-364X
eISSN
1934-8398
DOI
10.3103/S1068364X20050063
Publisher site
See Article on Publisher Site

Abstract

Standard and alternative methods of assessing the likelihood of coal oxidation and self-ignition in the bed are analyzed. These methods are based on the change in the petrographic, physicomechanical, chemical, and thermal properties of the coal on oxidation. Most of the methods are unsuitable for identification of the initial stage of coal oxidation. The onset of self-heating may be better determined on the basis of the surface properties of the coal: in particular, the hydrophobic–hydrophilic balance and the sorptional properties of internal surfaces. The extraction, transportation, and analysis of the coal sample from the bed must prevent contact with the air.

Journal

Coke and ChemistrySpringer Journals

Published: May 30, 2020

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