Experimental Research on the Performance of the Macromolecule Colloid Fire-Extinguishing Material for Coal Seam Spontaneous Combustion

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Coal sample</td><td class="align_center">No. 1</td><td class="align_center">No. 2</td><td class="align_center">No. 3</td><td class="align_center">No. 4</td><td class="align_center">No. 5</td><td class="align_center">No. 6</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left"><i>E</i><sub>a</sub> (kJ/mol)</td><td class="align_center">68.26</td><td class="align_center">74.79</td><td class="align_center">96.59</td><td class="align_center">83.90</td><td class="align_center">88.71</td><td class="align_center">102.00</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Activation energy (<i>E</i><sub>a</sub>) of the coal samples.</div>

Advances in Materials Science and Engineering

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Table 3

Table 3: Experimental Research on the Performance of the Macromolecule Colloid Fire-Extinguishing Material for Coal Seam Spontaneous Combustion 