Both methane and helium flow through solid coal by Knudsen diffusion, even at relatively high pressures. Knudsen permeabilities were determined for samples of Pittsburgh, Pocahontas No.3, and Oklahoma Hartshorne coals. The average permeability for dry methane was I.3 X 10e6 cm2/s for Pittsburgh coal
97/00297 Methane release through coal bed diffusion
- Publisher
- Elsevier Science
- Year
- 1997
- Weight
- 209 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0140-6701
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โฆ Synopsis
Gaseous fuels (sources, properties
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