Optimized Removal of Hydroquinone and Resorcinol by Activated Carbon Based on Shea Residue (<i>Vitellaria paradoxa</i>): Thermodynamics, Adsorption Mechanism, Nonlinear Kinetics, and Isotherms

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Some chemical structures</td><td class="align_center">Hydroquinone</td><td class="align_center">Resorcinol</td></tr><tr><td class="align_left">Chemical structure</td><td class="align_center"><object data="https://static.hindawi.com/articles/jchem/volume-2022/1125877/figures/1125877.tab-inline.001.svgz" name="1125877.tab-inline.001" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/jchem/volume-2022/1125877/figures/1125877.tab-inline.002.svgz" name="1125877.tab-inline.002" type="image/svg+xml"></object></td></tr><tr><td class="align_left">Molecular formula</td><td class="align_center">C<sub>6</sub>H<sub>4</sub>-1,4(OH)</td><td class="align_center">C<sub>6</sub>H<sub>4</sub>-1,3(OH)</td></tr><tr><td class="align_left"><i>λ</i><sub>max</sub> (nm)</td><td class="align_center">276</td><td class="align_center">274</td></tr><tr><td class="align_left">Solubility in water (25°C)</td><td class="align_center">73 g/L</td><td class="align_center">717 g/L</td></tr><tr><td class="align_left">pKa</td><td class="align_center">9.96</td><td class="align_center">9.26</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Chemical structures and some properties of hydroquinone and resorcinol.</div>

Journal of Chemistry

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Table 1

Table 1: Optimized Removal of Hydroquinone and Resorcinol by Activated Carbon Based on Shea Residue (<i>Vitellaria paradoxa</i>): Thermodynamics, Adsorption Mechanism, Nonlinear Kinetics, and Isotherms 

Table 1 | Optimized Removal of Hydroquinone and Resorcinol by Activated Carbon Based on Shea Residue (Vitellaria paradoxa): Thermodynamics, Adsorption Mechanism, Nonlinear Kinetics, and Isotherms 