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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...

Metallurgy is one of the leaders in terms of the amount of accumulated waste worldwide. Every year the amount of waste placed in dumps, sludge ponds, tailings ponds only grows. However, at present, tailings, slag, dust, etc. of metallurgical enterprises are considered the most promising for secondary use and the extraction of valuable metals from tailings is an important problem in the world. In Kazakhstan, the technology of processing nickel-cobalt-containing tailings is practically undeveloped. Sokolov-Sarybai M...