The swelling and adsorption characteristics of Victorian brown coals |
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| Affiliation: | 1. The Yekaterinburg Medical Research Center for Prophylaxis and Health Protection in Industrial Workers, 620014 Ekaterinburg, Russia;2. The Ural State Medical University, 620109 Ekaterinburg, Russia;3. The Institute of Industrial Ecology UB of RAS, 620990 Ekaterinburg, Russia |
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| Abstract: | 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. |
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