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 iron matte and smelting slag.</div>

Advances in Materials Science and Engineering

Figure 5: Recovery and Enrichment of Platinum from Spent Al<sub>2</sub>O<sub>3</sub> Carrier Catalysts by Matte Smelting-Acid Leaching Process 