Removal of lead ions by acid activated and manganese oxide-coated bentonite

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dc.authoridÖnal, Yunus/0000-0001-6342-6816;
dc.authorwosidÖnal, Yunus/E-7170-2018
dc.authorwosidAfsin, Beytullah/J-2925-2015
dc.contributor.authorEren, E.
dc.contributor.authorAfsin, B.
dc.contributor.authorOnal, Y.
dc.date.accessioned2024-08-04T20:31:05Z
dc.date.available2024-08-04T20:31:05Z
dc.date.issued2009
dc.departmentİnönü Üniversitesien_US
dc.description.abstractThis paper presents the adsorption of Pb(II) from aqua solutions onto Unye (Turkey) bentonite in raw (RB), acid activated (AAB) and manganese oxide-coated (MCB) forms. Adsorption of Pb(H) by RB, AAB and MCB sample was investigated as a function of the initial Pb(II) concentration, solution pH, ionic strength, temperature and inorganic ligand (Cl-). Changes in the surfaces and structure were characterized by means of XRD, IR and potentiometric titration. The Langmuir monolayer adsorption capacities of RB, AAB and MCB in 0.1 M KNO3 solution were estimated as 16.70, 8.92 and 58.88 mg/g, respectively. The spontaneity of the adsorption process is established by decrease in Delta G which varied from -21.60 to -28.60kJ/mol (RB), -22.63 to -29.98 kJ/moI (AAB) and -19.57 to -26.22 (MCB) in temperature range 303-338 K. (C) 2008 Elsevier B.V. All rights reserved.en_US
dc.identifier.doi10.1016/j.jhazmat.2008.04.020
dc.identifier.endpage685en_US
dc.identifier.issn0304-3894
dc.identifier.issn1873-3336
dc.identifier.issue2-3en_US
dc.identifier.pmid18501507en_US
dc.identifier.scopus2-s2.0-56249131096en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage677en_US
dc.identifier.urihttps://doi.org/10.1016/j.jhazmat.2008.04.020
dc.identifier.urihttps://hdl.handle.net/11616/94696
dc.identifier.volume161en_US
dc.identifier.wosWOS:000262292400011en_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.subjectBentoniteen_US
dc.subjectAdsorptionen_US
dc.subjectThermodynamicen_US
dc.subjectManganese oxideen_US
dc.subjectLeaden_US
dc.titleRemoval of lead ions by acid activated and manganese oxide-coated bentoniteen_US
dc.typeArticleen_US

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