Chemical Recycling of Expanded Polystyrene Waste: Synthesis of Novel Functional Polystyrene-Hydrazone Surface for Phenol Removal

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Sample </td><td align="center">Conc. (mgL<sup>−1</sup>) of phenol </td><td align="center">% Removal of phenol</td><td align="center">RSD (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">S1</td><td align="center">4.58</td><td align="center">88.09</td><td align="center">1.8</td></tr><tr><td align="left">S2</td><td align="center">3.74</td><td align="center">76.21</td><td align="center">2.7</td></tr><tr><td align="left">S3</td><td align="center">5.10</td><td align="center">87.33</td><td align="center">1.1</td></tr><tr><td align="left">S4</td><td align="center">2.70</td><td align="center">84.65</td><td align="center">2.1</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td>S1: Wastewater sample collected from Korangi site area, Karachi, Pakistan. <br/>S2: Wastewater sample collected from Kotri site area, Pakistan.<br/>S3: Wastewater sample collected from, Hyderabad site area, Pakistan.<br/>S4: Wastewater sample collected from Faisalabad, site area, Pakistan.<br/></td></tr></table>

Removal of phenol by PSH surface from industrial wastewater.

Journal of Chemistry

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Table 7

Table 7: Chemical Recycling of Expanded Polystyrene Waste: Synthesis of Novel Functional Polystyrene-Hydrazone Surface for Phenol Removal 