Experimental Design and Optimization of Decolourization of Reactive Black-5 Dye Using Cloud Point Extraction

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2"></td><td class="align_center" rowspan="2">Symbol</td><td class="align_center" colspan="3">Level</td></tr><tr class="thead"><td class="align_center">−1</td><td class="align_center">0</td><td class="align_center">1</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Surfactant concentration (<i>M</i>)</td><td class="align_center"><i>X</i><sub>1</sub></td><td class="align_center">0.01</td><td class="align_center">0.05</td><td class="align_center">0.1</td></tr><tr><td class="align_left">Dye concentration (ppm)</td><td class="align_center"><i>X</i><sub>2</sub></td><td class="align_center">25</td><td class="align_center">50</td><td class="align_center">75</td></tr><tr><td class="align_left">Operating temperature (°C)</td><td class="align_center"><i>X</i><sub>3</sub></td><td class="align_center">40</td><td class="align_center">50</td><td class="align_center">60</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Various levels of experimental design.</div>

Journal of Chemistry

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Table 1

Table 1: Experimental Design and Optimization of Decolourization of Reactive Black-5 Dye Using Cloud Point Extraction 