Influence of the Branched Structure of Polyoxyethylene Units in Nonionic Surfactants on the Wettability of Anthracite: A Combined Modeling and Experimental Study

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Model</td><td class="align_center">EV (kcal·mol<sup>−1</sup>)</td><td class="align_center">EE (kcal·mol<sup>−1</sup>)</td><td class="align_center"><i>E</i> (kcal·mol<sup>−1</sup>)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">C<sub>12</sub>(EO)<sub>20</sub>-anthracite</td><td class="align_center">−509.21 (87.7%)</td><td class="align_center">−71.25 (12.3%)</td><td class="align_center">−580.46</td></tr><tr><td class="align_left">Tween 20-anthracite</td><td class="align_center">−431.86 (96.5%)</td><td class="align_center">−15.70 (3.5%)</td><td class="align_center">−447.56</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Adsorption energy between surfactant and anthracite.</div>

Adsorption Science & Technology

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Table 3

Table 3: Influence of the Branched Structure of Polyoxyethylene Units in Nonionic Surfactants on the Wettability of Anthracite: A Combined Modeling and Experimental Study 

Table 3 | Influence of the Branched Structure of Polyoxyethylene Units in Nonionic Surfactants on the Wettability of Anthracite: A Combined Modeling and Experimental Study 