Leaching Kinetics of Manganese Oxides Obtained from Waste Alkaline Batteries in Sulfuric Acid Solutions Containing Molasses

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dc.authoridDemirkıran, Nizamettin/0000-0001-9021-2477
dc.authorwosidDemirkıran, Nizamettin/ABF-2443-2020
dc.contributor.authorOzdemir, Gulistan Deniz Turhan
dc.contributor.authorDemirkiran, Nizamettin
dc.date.accessioned2024-08-04T20:51:58Z
dc.date.available2024-08-04T20:51:58Z
dc.date.issued2022
dc.departmentİnönü Üniversitesien_US
dc.description.abstractIn this study, the leaching kinetics of manganese oxide powder supplied from spent alkaline batteries was investigated in H2SO4 solutions including molasses. Waste battery powder containing manganese oxides was prepared by separating manually from the other components of the collected waste alkaline batteries. The leaching experiments were carried out in a batch reactor. The effects of H2SO4 concentration, stirring speed, solid-to-liquid ratio, reaction temperature, particle size, and amount of molasses on the leaching rate of manganese were studied. It was determined that molasses used as the reducing agent had an important effect on the leaching rate. By adding molasses to the leaching media, it was found that almost all manganese in waste battery powder transferred to the solution. It was observed that the leaching rate increased with an increase in the solution concentration, stirring speed, reaction temperature, and amount of molasses, and with a decrease in the particle size and solid-to-liquid ratio. While the concentration of H2SO4, stirring speed, solid-to-liquid ratio, reaction temperature, particle size, amount of molasses, and reaction time were 1 M, 500 rpm, 2/500 g/mL, 60 degrees C, 0.348 mm, 2 g, and 120 min, respectively, the amount of the dissolved manganese was found to be approximately 98%. A mathematical model represented that the leaching kinetics was elaborated. It was determined that the leaching kinetics followed the mixed kinetic model. The activation energy value for the process was calculated to be 52.31 kJ/mol. After the leaching treatment, Mn (II) ions in the solution were recovered in the form of MnCO3 using NaHCO3 solution. MnCO3 was calcined isothermally at 400 degrees C for 4 h, and MnO2 was produced. [GRAPHICS] .en_US
dc.description.sponsorshipResearch Fund of Inonu University [FDK-2018-970]en_US
dc.description.sponsorshipThis study was supported by Research Fund of Inonu University (Project Number: FDK-2018-970).en_US
dc.identifier.doi10.1007/s40831-022-00541-9
dc.identifier.endpage941en_US
dc.identifier.issn2199-3823
dc.identifier.issn2199-3831
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-85130695715en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage927en_US
dc.identifier.urihttps://doi.org/10.1007/s40831-022-00541-9
dc.identifier.urihttps://hdl.handle.net/11616/100670
dc.identifier.volume8en_US
dc.identifier.wosWOS:000800982900005en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal of Sustainable Metallurgyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectWaste alkaline batteryen_US
dc.subjectLeachingen_US
dc.subjectMolassesen_US
dc.subjectMixed kinetic modelen_US
dc.subjectManganese carbonateen_US
dc.subjectManganese dioxideen_US
dc.titleLeaching Kinetics of Manganese Oxides Obtained from Waste Alkaline Batteries in Sulfuric Acid Solutions Containing Molassesen_US
dc.typeArticleen_US

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