Arsenite removal by adsorption onto iron oxide-coated pumice and sepiolite

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dc.contributor.authorDönmez Öztel, Merve
dc.contributor.authorAkbal, Feryal
dc.contributor.authorAltaş, Levent
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-29T19:27:27Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-29T19:27:27Z
dc.date.issued2015
dc.departmentMühendislik Fakültesi
dc.description.abstractThe present study describes the removal of arsenite by iron oxide-coated pumice and iron oxide-coated sepiolite. Pumice and sepiolite were coated with iron oxide and used as adsorbents for the removal of arsenite from aqueous solution in batch experiments. Arsenite concentration decreased exponentially with time, and equilibrium was attained in 84 h. The kinetics of the adsorption process was tested for the pseudo-first-order, pseudo-second-order, and intraparticle diffusion models. The adsorption of arsenite onto iron oxide-coated pumice and iron oxide-coated sepiolite followed the pseudo-second-order model. Freundlich, Dubinin-Radushkevitch, and Temkin isotherm models were applied to the experimental equilibrium data. The adsorption of arsenite fit these isotherm models. The results indicated that the iron oxide-coated pumice and iron oxide sepiolite could be alternative adsorbents for arsenite removal. Among the adsorbents, iron oxide-coated pumice was found to be more effective than iron oxide sepiolite in the removal of arsenite.
dc.description.sponsorshipScientific Research Project of the Ondokuz Mayis University, Samsun, Turkey [2010.PYO.MUH.1904.014]
dc.description.sponsorshipThis study was supported by the Scientific Research Project of the Ondokuz Mayis University, Samsun, Turkey, under Grant Number 2010.PYO.MUH.1904.014.
dc.identifier.doi10.1007/s12665-014-3733-4
dc.identifier.endpage4471en_US
dc.identifier.issn1866-6280
dc.identifier.issn1866-6299
dc.identifier.issue8en_US
dc.identifier.scopusqualityQ1
dc.identifier.startpage4461en_US
dc.identifier.urihttps://doi.org/10.1007/s12665-014-3733-4
dc.identifier.urihttps://hdl.handle.net/20.500.12451/5865
dc.identifier.volume73en_US
dc.identifier.wosWOS:000351453600041
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofEnvironmental Earth Sciences
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectArsenite
dc.subjectAdsorption
dc.subjectIron Oxide-Coated Adsorbent
dc.subjectPumice
dc.subjectSepiolite
dc.titleArsenite removal by adsorption onto iron oxide-coated pumice and sepiolite
dc.typeArticle

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