期刊
ADSORPTION SCIENCE & TECHNOLOGY
卷 20, 期 1, 页码 49-62出版社
MULTI SCIENCE PUBL CO LTD
DOI: 10.1260/026361702760120926
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The influence of the physical and chemical properties and the composition of the sorbed gas on the sorption capacity of hard coal must be taken into account in an analysis of such coals as specific collectors of mine gases. The analysis presented was based on a comparison of the results of sorption and expansion studies of single gases (CO2 and CH4) and their mixtures on two hard coals (V-daf: 40.87% and 22.32%). The work presented was undertaken in an attempt to determine the influence of the sorptive deformation of the coals, caused by the pre-sorption of CO2, on the variation of their external dimensions during CH4 sorption and vice versa, and during sorption of a mixture of these gases. In addition, it was anticipated that the work could answer the question as to which of these gases would enrich the desorbed gas. Knowledge of these effects should facilitate further exploration of the relationship between the properties of a hard coal and methane evolution to establish those factors that enhance the rate and effectiveness of the process,
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