Umicore provides refining services to copper smelters worldwide, offering expertise in processing various complex materials. These include anode slimes, a mixture of precious metals and impurities such as Sb, Bi, As, and Sn; flue dust containing precious metals, often originating from the treatment of anode slimes; PM-containing doré slags from pyrometallurgical processing; and PM-containing residues from hydrometallurgical treatment or downstream refining processes. Umicore has industry-leading capabilities to refine these complex materials, ensuring excellent recovery rates of precious metals.

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