Synthesis of clay-based superabsorbent composite and its sorption capability

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dc.contributor.authorBulut, Yasemin
dc.contributor.authorAkcay, Guelten
dc.contributor.authorElma, Duygu
dc.contributor.authorSerhatli, I. Ersin
dc.date.accessioned2024-04-24T16:15:07Z
dc.date.available2024-04-24T16:15:07Z
dc.date.issued2009
dc.departmentDicle Üniversitesien_US
dc.description.abstractA novel superabsorbent composite was synthesized by copolymerization reaction of partially neutralized acrylic acid (AA) on bentonite micropowder using N,N'-methylenebisacrylamide as a crosslinker and ammonium persulfate as an initiator in aqueous solution. The superabsorbent composite (SAC) was characterized by Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA) and scanning electron microscopy (SEM). The water retention test of SAC was also performed. The water absorbency of SAC synthesized was found to be 352 and 110 g H(2)Og(-1) in distilled water and 0.2% NaCl, respectively. Sorption capacity of SAC was investigated for heavy metal ions (HMI) using Langmuir and Freundlich model of adsorption. The maximum adsorption capacity (Q(m)) of HMI onto the bentonite-based SAC from their solution was 1666.67, 270.27, 416.67 and 222.22 mg g(-1) for Pb(II). Ni(II), Cd(II) and Cu(II), respectively. All results suggested that SAC offers excellent potential for HMI removal from contaminated water. (C) 2009 Elsevier B.V. All rights reserved.en_US
dc.identifier.doi10.1016/j.jhazmat.2009.06.067
dc.identifier.endpage723en_US
dc.identifier.issn0304-3894
dc.identifier.issue1-3en_US
dc.identifier.pmid19683869
dc.identifier.scopus2-s2.0-70349230798
dc.identifier.scopusqualityQ1
dc.identifier.startpage717en_US
dc.identifier.urihttps://doi.org/10.1016/j.jhazmat.2009.06.067
dc.identifier.urihttps://hdl.handle.net/11468/15656
dc.identifier.volume171en_US
dc.identifier.wosWOS:000271165100095
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoenen_US
dc.publisherElsevier Science Bven_US
dc.relation.ispartofJournal of Hazardous Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSuperabsorbenten_US
dc.subjectSwellingen_US
dc.subjectClayen_US
dc.subjectHeavy Metalen_US
dc.subjectRemovalen_US
dc.titleSynthesis of clay-based superabsorbent composite and its sorption capabilityen_US
dc.titleSynthesis of clay-based superabsorbent composite and its sorption capability
dc.typeArticleen_US

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