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Pyrite tailings from operating industrial facilities, beyond their primary component, frequently contain valuable base metal minerals (e.g., Co, Ni, Cu) that are in constant demand and are critical for 'green energy' technologies. Despite the comparatively low concentration of Ni and Co in these tailings, their overall reserves are potentially significant. The objective of this study was to investigate the recovery of nickel, cobalt, and copper from leach sulfuric solutions derived from nickel-cobalt-bearing pyrit...