Minerals, Volume 12, Issue 6
2022 June - 125 articles
Cover Story: The presence of anglesite (PbSO4) in complex sulfide ores negatively affects the separation of Cu-Pb sulfides and sphalerite (ZnS) due to lead activation, and PbSO4 rejected by tailings dams contaminates the surrounding environment with lead. To address these problems, this study investigated a pretreatment to extract PbSO4 using ethylene diamine tetra acetic acid to achieve ZnS flotation, and explored the recovery of the extracted Pb2+ as zero-valent Pb through cementation using zero-valent iron. The proposed flowsheet for the mineral processing of complex sulfide ores containing PbSO4 in this study can achieve the separation of Cu-Pb sulfides and ZnS while preventing the leakage of lead into the surrounding environment of tailings dams and maximizing the critical element recovery by cementation. View this paper
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Minerals - ISSN 2075-163X