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Thermochemical properties of coal fractions of different density: A review

Thermochemical properties of coal fractions of different density: A review Research is reviewed regarding the composition and thermochemical properties of coal fractions of different density. The properties discussed are the thermogravimetric parameters; the free-swelling index; the plastic-layer thickness; the dilatometric characteristics; the yield of fluid (mobile) components of the plastic mass. These properties are determined by the petrographic (maceral) composition of the fractions. With increase in density of the fractions, the liptinite and vitrinite content declines, while the inertinite content grows. Consequently, the chemical structure becomes less aliphatic and more aromatic, with corresponding deterioration in thermochemical properties of the fractions. The results show that fractionation of the coal prior to processing is potentially very effective. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Coke and Chemistry Springer Journals

Thermochemical properties of coal fractions of different density: A review

Coke and Chemistry , Volume 53 (6) – Oct 1, 2010

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References (18)

Publisher
Springer Journals
Copyright
Copyright © 2010 by Allerton Press, Inc.
Subject
Chemistry; Industrial Chemistry/Chemical Engineering
ISSN
1068-364X
eISSN
1934-8398
DOI
10.3103/S1068364X10060025
Publisher site
See Article on Publisher Site

Abstract

Research is reviewed regarding the composition and thermochemical properties of coal fractions of different density. The properties discussed are the thermogravimetric parameters; the free-swelling index; the plastic-layer thickness; the dilatometric characteristics; the yield of fluid (mobile) components of the plastic mass. These properties are determined by the petrographic (maceral) composition of the fractions. With increase in density of the fractions, the liptinite and vitrinite content declines, while the inertinite content grows. Consequently, the chemical structure becomes less aliphatic and more aromatic, with corresponding deterioration in thermochemical properties of the fractions. The results show that fractionation of the coal prior to processing is potentially very effective.

Journal

Coke and ChemistrySpringer Journals

Published: Oct 1, 2010

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