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Methane and carbon dioxide sorption/desorption on bituminous coal—Experiments on cubicoid sample cut from the primal coal lump by Katarzyna Czerw is a Engineering article available to read on EtoBox.

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Sorption/desorption of mine gases Swelling/shrinkage of coal Expansion/contraction of coal CO 2 sequestration ECBM recovery There was performed a research into the sorption of methane and of a mixture of methane and carbon dioxide on low-rank coal (type 32.2, according to PN-82/G-97002). Experiments were carried out by means of the volumetric method on a cubicoid solid sample, sized 20 × 20 × 40 mm, cut out of the primal body. At the same time, the changes occurring in the sample's overall dimensions, which accompanied sorption processes, were monitored. The kinetic curves of methane deposition and evacuation (two measurement cycles) and the deposition kinetic curve for the mixture of carbon dioxide and methane in a coal structure containing methane previously sorbed were determined, as well as the adequate kinetics of coal strains resulting from the sorption/desorption processes. The results show that in the experimental conditions sorption process and the induced strains noticed in the coal-methane system are proportional. When slightly approximated, the correlation between induced strains and the quantity of gases being sorbed ε = f (V) becomes linear. However, the course of sam

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Author

Katarzyna Czerw

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0166-5162)

Published

2011

Language

EN

Field

Engineering (Physical Sciences)