Closed porosity in fossil coals

Closed porosity in fossil coals

The presence of closed porosity in fossil coals is shown. The technique of definition of closed porosity is developed. Volumes of closed pores for coals of the various sorts are determined experimentally. It is established that the contribution of closed pores in total porosity in most cases exceeds...

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Bibliographic Details
Published in:Fuel (Guildford) Vol. 78; no. 6; pp. 635 - 638
Main Authors: Alexeev, A.D., Vasilenko, T.A., Ulyanova, E.V.
Format: Journal Article
Language:English
Published: Oxford Elsevier Ltd 1999
Elsevier
Subjects:
Absorption
Applied sciences
Coal
Coal and derived products
Energy
Exact sciences and technology
Fuels
Pores
Structure, chemical and physical properties
Eastern Europe
Europe
Ukraine
Pores
Absorption
Coal
Pore size
Porosity
Pore structure
Closed cell porosity
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Summary:The presence of closed porosity in fossil coals is shown. The technique of definition of closed porosity is developed. Volumes of closed pores for coals of the various sorts are determined experimentally. It is established that the contribution of closed pores in total porosity in most cases exceeds 60%. The tendency of closed pore volume to increase in outburst-prone coals is found out.
ISSN:0016-2361
1873-7153
DOI:10.1016/S0016-2361(98)00198-7