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

<div>(a) SEM image and (b) EDS spectrum of spent Al<sub>2</sub>O<sub>3</sub> carrier Pt/Re catalyst.</div>

Advances in Materials Science and Engineering

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