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="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Groups</td><td class="align_center" colspan="2">Tween 20</td><td class="align_center" colspan="2">C<sub>12</sub>(EO)<sub>20</sub></td></tr><tr class="thead"><td class="align_center">Binding energy (eV)</td><td class="align_center">PR (%)</td><td class="align_center">Binding energy (eV)</td><td class="align_center">PR (%)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">C-O/OH</td><td class="align_center">532.77</td><td class="align_center">56.36</td><td class="align_center">532.23</td><td class="align_center">19.22</td></tr><tr><td class="align_left">C=O</td><td class="align_center">533.01</td><td class="align_center">13.73</td><td class="align_center">533.07</td><td class="align_center">20.67</td></tr><tr><td class="align_left">COO/COOH</td><td class="align_center">534.09</td><td class="align_center">29.91</td><td class="align_center">534.12</td><td class="align_center">60.10</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Peak positions, areas, and atomic assignments of O 1s on the surface of anthracite after adsorption.</div>

Adsorption Science & Technology

tab7

Table 7

Table 7: Influence of the Branched Structure of Polyoxyethylene Units in Nonionic Surfactants on the Wettability of Anthracite: A Combined Modeling and Experimental Study 

Table 7 | Influence of the Branched Structure of Polyoxyethylene Units in Nonionic Surfactants on the Wettability of Anthracite: A Combined Modeling and Experimental Study 