Experimental Investigation of the Thermal Expansion Characteristics of Anthracite Coal Induced by Gas Adsorption

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Pressure (MPa)</td><td class="align_center" colspan="2">Adsorption heat (J/g)</td></tr><tr class="thead"><td class="align_center">CO<sub>2</sub></td><td class="align_center">CH<sub>4</sub></td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">33.585</td><td class="align_center">16.110</td></tr><tr><td class="align_left">2</td><td class="align_center">42.805</td><td class="align_center">34.530</td></tr><tr><td class="align_left">3</td><td class="align_center">72.516</td><td class="align_center">42.310</td></tr><tr><td class="align_left">4</td><td class="align_center">87.786</td><td class="align_center">50.897</td></tr><tr><td class="align_left">5</td><td class="align_center">94.750</td><td class="align_center">60.210</td></tr><tr><td class="align_left">6</td><td class="align_center">103.274</td><td class="align_center">72.980</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Adsorption heat of coal samples to CO<sub>2</sub> and CH<sub>4</sub> under the pressure of 1-6 MPa.</div>

Adsorption Science & Technology

tab3

Table 3

Table 3: Experimental Investigation of the Thermal Expansion Characteristics of Anthracite Coal Induced by Gas Adsorption 