Abstract
In order to investigate the desorption characteristics of methane adsorption in coal under positive pressure conditions, methane adsorption and successive desorption experiments of anthracite coal under positive pressure conditions were conducted on the developed experimental equipment, and the experimental data were analyzed. In the process of desorption of coal samples with the same adsorption equilibrium pressure and the same pressure drop gradient, the phase desorption rate decreased with the increase of pressure, and the positive pressure environment had a significant inhibitory effect on the desorption of methane in coal.
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