Investigations into Recycling Zinc from Used Metal Oxide Varistors via pH Selective Leaching: Characterization, Leaching, and Residue Analysis

<div>XRD spectra of the MOV showing peaks for ZnO (●), Bi<sub>2</sub>O<sub>3</sub> (◆), Zn<sub>2.33</sub>Sb<sub>0.67</sub>O<sub>4</sub> (<svg height="7.35473pt" id="M4" style="vertical-align:-0.3499303pt" version="1.1" viewbox="-0.0498162 -7.0048 7.75925 7.35473" width="7.75925pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M552 -3V513H36V-3H552ZM494 47H94V463H494V47Z" id="g117-128"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="587" vert-adv-y="587"></glyph.data></g></svg>), Zn<sub>2</sub>Bi<sub>3</sub>Sb<sub>3</sub>O<sub>14</sub> (★), and Zn<sub>7</sub>Sb<sub>2</sub>O<sub>12</sub> (■).</div>

The Scientific World Journal

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Figure 2: Investigations into Recycling Zinc from Used Metal Oxide Varistors via pH Selective Leaching: Characterization, Leaching, and Residue Analysis 

Figure 2 | Investigations into Recycling Zinc from Used Metal Oxide Varistors via pH Selective Leaching: Characterization, Leaching, and Residue Analysis 