Recovery of Zinc from Flotation Tailings of Lead-Zinc Ore Through a Hydrometallurgical Route

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dc.contributor.authorSis, Hikmet
dc.contributor.authorKiyak, Tufan
dc.contributor.authorErdemoglu, Murat
dc.contributor.authorDemirkiran, Nizamettin
dc.contributor.authorAydogmus, Ramazan
dc.date.accessioned2026-04-04T13:35:21Z
dc.date.available2026-04-04T13:35:21Z
dc.date.issued2025
dc.departmentİnönü Üniversitesi
dc.description.abstractThis study focuses on recovering zinc from flotation tailings through a hydrometallurgical route, including sequential H2SO4 leaching, iron precipitation, and solvent extraction (SX) processes. The effect of leachate concentration, leaching temperature, and time on the zinc recovery was investigated at constant solid/liquid ratio and stirring rate. In order to remove impurities from the pregnant leach solution (PLS), dissolved iron was first precipitated with NaOH solution, and then the dissolved zinc ions were extracted selectively by D2EHPA. Finally, the zinc in the organic D2EHPA phase was stripped into an aqueous phase by utilizing H2SO4 solution to obtain a concentrated and purified zinc solution. It was seen that 93.50% of zinc in the tailings could be leached under optimum leaching conditions. In the SX process, the organic phases, prepared at organic/aqueous ratio (O/A) of 1/1 by volume, could extract 95.3% of the zinc in the pregnant leach solution within 10 min of extraction time. The stripping of 96.83% zinc into the aqueous phase was possible by using a 0.5-M H2SO4 solution, prepared at an O/A ratio of 1/1 by volume. Calculations showed that an 82.65% of cumulative zinc recovery could be achieved through the proposed leaching and SX route.
dc.description.sponsorshipInn niversitesi [FCD-2020-2202]
dc.description.sponsorshipWe would like to thank Cevkur Mining Ltd. of Turkey for provision of zinc-lead ore samples. We acknowledge the financial support of the Scientific Research Projects Coordination Unit of & Idot;nonu University (Malatya) through project number FCD-2020-2202.
dc.identifier.doi10.1007/s11837-025-08039-x
dc.identifier.issn1047-4838
dc.identifier.issn1543-1851
dc.identifier.orcid0000-0001-8840-5448
dc.identifier.orcid0000-0003-2922-7965
dc.identifier.scopus2-s2.0-105026311011
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1007/s11837-025-08039-x
dc.identifier.urihttps://hdl.handle.net/11616/109795
dc.identifier.wosWOS:001650282700001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofJom
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250329
dc.subjectSolvent-Extraction
dc.subjectOxide Ore
dc.subjectSilicate Ore
dc.subjectLeaching Zn
dc.subjectD2ehpa
dc.subjectCopper
dc.subjectDust
dc.titleRecovery of Zinc from Flotation Tailings of Lead-Zinc Ore Through a Hydrometallurgical Route
dc.typeArticle

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