Experimental Study of the Characteristic Changes of Coal Resistivity during the Gas Adsorption/Desorption Process

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">No.</td><td class="align_center">Experimental method</td><td class="align_center">Initial pressure of methane cylinder (MPa)</td><td class="align_center">Equilibrium pressure (MPa)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">Continuous adsorption/desorption</td><td class="align_center">0.5</td><td class="align_center">0.323</td></tr><tr><td class="align_left">2</td><td class="align_center">Continuous adsorption/desorption</td><td class="align_center">0.75</td><td class="align_center">0.442</td></tr><tr><td class="align_left">3</td><td class="align_center">Continuous adsorption/desorption</td><td class="align_center">1.0</td><td class="align_center">0.534</td></tr><tr><td class="align_left">4</td><td class="align_center">Isovolumetric adsorption/desorption</td><td class="align_center">1.0</td><td class="align_center">0.72</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Materials Science and Engineering

tab2

Table 2

Table 2: Experimental Study of the Characteristic Changes of Coal Resistivity during the Gas Adsorption/Desorption Process 