Generating methane adsorption under relaxation of molecular structure of coal

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• 作者：A. F. Bulat ; S. P. Mineev ; A. A. Prusova
• 关键词：Coalbed ; transformation of molecular structure of coal ; relaxation ; methane adsorption ; mass transfer ; methane volume
• 刊名：Journal of Mining Science
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：52
• 期：1
• 页码：70-77
• 全文大小：448 KB
• 刊物类别：Earth and Environmental Science
• 刊物主题：Earth sciences
  Geotechnical Engineering
  Geophysics and Geodesy
  Mathematical Applications in Geosciences
  Mineral Resources
  Russian Library of Science
  
• 出版者：Springer New York
• ISSN：1573-8736
• 卷排序：52

文摘

Transformation of molecular structure of coal under long-term effect of confining pressure due to strain relaxation is estimated numerically. It is found that both under dynamic deformation, as has been determined earlier, and under relaxation of molecular structure of coal, atoms of methyl group and hydrogen remove from aliphatic fringe, join together and form molecules of methane. It is shown that these molecules immediately form sorbing-based connection with coal. Volumes of methane adsorption generated in coal due to strain relaxation of molecular structure of coal are calculated.