The swelling and adsorption characteristics of Victorian brown coals

Samples of coals from the Latrobe Valley, Victoria, were exposed to certain gases and vapours, and the resulting swelling was measured by a novel technique using displacement of mercury. Methanol and acetone were found to be powerful swelling agents: carbon dioxide, at the pressures used (up to 100...

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Bibliographic Details
Published in:Fuel (Guildford) 1986-08, Vol.65 (8), p.1171-1173
Main Authors: Stacy, William O., Jones, J.Clifford
Format: Article
Language:English
Subjects:
coal
physical behaviour
swelling
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Summary:Samples of coals from the Latrobe Valley, Victoria, were exposed to certain gases and vapours, and the resulting swelling was measured by a novel technique using displacement of mercury. Methanol and acetone were found to be powerful swelling agents: carbon dioxide, at the pressures used (up to 100 k Pa) caused no measurable swelling. The carbon dioxide results are relevant to the measurement of surface areas of coals by carbon dioxide adsorption.
ISSN:0016-2361
1873-7153
DOI:10.1016/0016-2361(86)90189-4