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Evaluation of sulphation baking and autogenous leaching behaviour of Turkish metallurgical slag flotation tailings

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dc.contributor.authorUZUN KART, ELİF
dc.contributor.authorsKart, Elif Uzun
dc.date.accessioned2022-03-14T09:52:37Z
dc.date.available2022-03-14T09:52:37Z
dc.date.issued2021-06-11
dc.description.abstractTurkish metallurgical slag flotation tailing's (MSFT) that has not been evaluated yet sulphation baking phase transformations and autogenous leaching behaviour were investigated. The MSFT in the study consists of the residual fayalite (FeO center dot SiO2) phase from the flotation, with a copper recovery of 87%, of the slag released during the smelting of the copper sulphide mine in northern Turkey, and the non-soluble glassy/amorphous structure containing the 0.34 % Cu, 4.16% Zn and 0.15 % Co base metals locked and doped to this phase. The effects of temperature (350 -650 degrees C) and sulphuric acid dosages (4-10 ml) on sulphation baking were investigated by X-ray diffraction and sulphur analyses of the baked MSFT (B-MSFT) to produce soluble base metal sulphates. Since sulphated metals are a kind of metal salt, autogenous leaching was applied to the B-MSFTs only with purified water to dissolute copper, zinc and cobalt. X-ray diffraction patterns show the transformation of fayalite to oxide and sulphate phases due to sulphation baking. All dissolution values of Co and Zn obtained by autogenous leaching of B-MSFTs produced under all determined conditions are almost the same as one another. This indicates that Co and Zn are doped to fayalite together and that part of cobalt is doped to the zincite structure and liberated and sulphated together. This study showed that MSFTs decompose leading to liberation and sulphation of the doped base metals in its structure at a rate of >= 90%, and that they autogenously dissolve under atmospheric conditions leading to recovery in a simple and economic manner.
dc.identifier.doi10.37190/ppmp/138839
dc.identifier.eissn2084-4735
dc.identifier.issn1643-1049
dc.identifier.urihttps://hdl.handle.net/11424/243485
dc.identifier.wosWOS:000663907600010
dc.language.isoeng
dc.publisherOFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ
dc.relation.ispartofPHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectcopper smelter slag
dc.subjectflotation tailings
dc.subjectsulphation baking
dc.subjectautogenous leaching
dc.subjectbase metals extraction
dc.subjectCOPPER SLAG
dc.subjectMETAL VALUES
dc.subjectRECOVERY
dc.subjectEXTRACTION
dc.titleEvaluation of sulphation baking and autogenous leaching behaviour of Turkish metallurgical slag flotation tailings
dc.typearticle
dspace.entity.typePublication
local.avesis.id79dca0fc-552c-419b-adec-56ddb76e65ae
local.import.packageSS16
local.indexed.atWOS
local.journal.numberofpages10
oaire.citation.endPage116
oaire.citation.issue4
oaire.citation.startPage107
oaire.citation.titlePHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING
oaire.citation.volume57
relation.isAuthorOfPublicationf876b985-f6b1-4fab-9211-9c0bc2edf356
relation.isAuthorOfPublication.latestForDiscoveryf876b985-f6b1-4fab-9211-9c0bc2edf356

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