In situ preparation of magnetic hydrochar by co-hydrothermal treatment of waste vinasse with red mud and its adsorption property for Pb(II) in aqueous solution

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dc.contributor.authorKazak, Omer
dc.contributor.authorTor, Ali
dc.date.accessioned2024-02-23T14:12:50Z
dc.date.available2024-02-23T14:12:50Z
dc.date.issued2020
dc.departmentNEÜen_US
dc.description.abstractHerein, a new magnetic hydrochar was prepared through co-hydrothermal treatment of vinasse with red mud, two abundant industrial wastes, and its adsorption property was evaluated on Pb(II), selected model ion in aqueous solution. During co-hydrothermal process, Fe2O3 species in red mud was reduced to Fe3O4 form, hereby, in situ magnetization of hydrochar was achieved, which was confirmed by characterization studies. Produced hydrochar with porous structure (V-total = 0.071 cm(3)/g and BET surface area = 23 m(2)/g) had saturation magnetization (44.7 emu/g), providing easier separation from water by a magnet. Maximum Pb(II) adsorption was favored at pH >= 5.0 within 120 min of equilibrium time and Freundlich isotherm model was preferable. The contribution percentage of different mechanisms including cation-exchange (40.8 %), (electrostatic attraction + cation-pi interaction) (31.2 %), precipitation (25.4 %) and complexation (2.6 %) to overall Pb(II) adsorption indicated that cation-exchange was the dominant mechanism. Finally, application to fortified real water demonstrated that in situ magnetic hydrochar produced by suggested approach was successful at adsorptive removal of Pb(II) from water with no matrix effects.en_US
dc.identifier.doi10.1016/j.jhazmat.2020.122391
dc.identifier.issn0304-3894
dc.identifier.issn1873-3336
dc.identifier.pmid32126427en_US
dc.identifier.scopus2-s2.0-85080067161en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.jhazmat.2020.122391
dc.identifier.urihttps://hdl.handle.net/20.500.12452/12205
dc.identifier.volume393en_US
dc.identifier.wosWOS:000532829200053en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofJournal Of Hazardous Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectHydrocharen_US
dc.subjectVinasseen_US
dc.subjectRed Muden_US
dc.subjectMagnetic Separationen_US
dc.subjectLead Adsorptionen_US
dc.titleIn situ preparation of magnetic hydrochar by co-hydrothermal treatment of waste vinasse with red mud and its adsorption property for Pb(II) in aqueous solutionen_US
dc.typeArticleen_US

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