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Book Chapter

Survey of experimental work on the self-heating and spontaneous combustion of coal

By
Mark I. Nelson
Mark I. Nelson
School of Mathematics and Applied Statistics, the University of Wollongong, Wollongong NSW 2522, Australia
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;
Xiao Dong Chen
Xiao Dong Chen
Department of Chemical Engineering, Monash University, Clayton, VIC 3800, Australia
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Published:
January 01, 2007

Abstract

A wide variety of techniques have been applied to gain insight into the processes that govern the self-heating of coal. These include oxidation mechanisms, ranking the propensity of different coals to self-heat, and the detection and suppression of self-heating. A frequent weakness in the literature about the kinetic data of self-heating systems is the absence of error estimates from regression analysis and the associated constraints on the reliability of the data for modeling. In addition, experimental and numerical work is needed to evaluate the methods used to acquire the kinetic data. Moist coal in coal mines and stockpiles has very different combustion characteristics than those predicted on the basis of dry testing. Consequently, methods for ranking the propensity of coal to spontaneously combust in actual mining conditions need to be developed.

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Contents

GSA Reviews in Engineering Geology

Geology of Coal Fires: Case Studies from Around the World

Glenn B. Stracher
Glenn B. Stracher
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Geological Society of America
Volume
18
ISBN electronic:
9780813758183
Publication date:
January 01, 2007

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