Recovery and Enrichment of Platinum from Spent Al<sub>2</sub>O<sub>3</sub> Carrier Catalysts by Matte Smelting-Acid Leaching Process

<div>XRD pattern of (a) spent Al<sub>2</sub>O<sub>3</sub> carrier and (b) Pt/Re catalyst and pyrite.</div>

Advances in Materials Science and Engineering

Figure 1: Recovery and Enrichment of Platinum from Spent Al<sub>2</sub>O<sub>3</sub> Carrier Catalysts by Matte Smelting-Acid Leaching Process 