Copper-Doped Zinc Oxide Nanoparticles: Synthesis, Characterization, and Application for Adsorptive Removal of Toxic Azo Dye

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Kinetics of adsorption</td><td class="align_center"><i>q</i><sub>e</sub> (mg/g)</td><td class="align_center"><i>R</i><sup>2</sup></td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Pseudo-first-order</td><td class="align_center">124.08</td><td class="align_center">0.987</td></tr><tr><td class="align_left">Pseudo-second-order</td><td class="align_center">250</td><td class="align_center">0.996</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Kinetic parameters of adsorption of CR dye by Cu/ZnO NPs.</div>

International Journal of Chemical Engineering

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Table 5

Table 5: Copper-Doped Zinc Oxide Nanoparticles: Synthesis, Characterization, and Application for Adsorptive Removal of Toxic Azo Dye 