The Scientific World Journal / 2015 / Article / Fig 7

Research Article

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

Figure 7

SEM micrograph of pulverized MOV after leaching in pH 1 sulfuric acid solution for 240 minutes. The Sb-rich phase remains along with some undissolved Bi-rich phase.