Concept for a hydrometallurgical processing of a copper‐cobalt‐nickel alloy made from manganese nodules

Keber, Sebastian; Brückner, Lisa; Elwert, Tobias; Kuhn, Thomas

The processing of manganese nodules for the production of raw materials has been a subject of research for many decades. The nodules contain many valuable metals like copper, cobalt and nickel. In recent years, the German Federal Institute for Geoscience and Natural Resources developed a process for the processing of manganese nodules based on a combined pyro‐ and a hydrometallurgical route. Clausthal University of Technology was assigned to develop the hydrometallurgical process for the treatment of a FeNiCuCo alloy. The developed process consists of pressurized sulfuric acid leaching with the suppression of hydrogen gas formation, precipitation and solvent extraction.

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Keber, Sebastian / Brückner, Lisa / Elwert, Tobias / et al: Concept for a hydrometallurgical processing of a copper‐cobalt‐nickel alloy made from manganese nodules. 2020.

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