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dc.creatorLekić, Branislava
dc.creatorVukasinovic-Pesić, Vesna L.
dc.creatorRajaković, Ljubinka V.
dc.date.accessioned2019-04-19T14:17:26Z
dc.date.available2019-04-19T14:17:26Z
dc.date.issued2011
dc.identifier.issn1061-4303
dc.identifier.urihttps://grafar.grf.bg.ac.rs/handle/123456789/399
dc.description.abstractMechanism and performances of arsenic(III) [As(III)] and arsenic(V) [As(V)] sorption onto hydrated iron(III) oxide (HFO)-coated materials were investigated at neutral pH where arsenic occurs in both molecular and ionic forms. Arsenic sorption by HFO-coated materials was proven to be a multistage process consisting of both macropore and intraparticle diffusion. Higher mass-transfer velocities were obtained for As(III), which is attributed to the beneficial features of HFO. Equilibrium studies revealed the spontaneous and favorable nature of the arsenic sorption process. The maximum sorption capacity and the Gibbs free energy values indicated that HFO-coated materials exhibit more affinity towards As(III). The Langmuir and Freundlich isotherm models revealed both the chemical and physical nature of the sorption process, while the Dubinin-Radushkevich model indicated that physical sorption is a more dominant process with HFO-coated materials. Water Environ. Res., 83, 498 (2011).en
dc.publisherWater Environment Federation
dc.rightsrestrictedAccess
dc.sourceWater Environment Research
dc.subjectarsenic adsorption kineticsen
dc.subjectequilibriumen
dc.subjecthydrated iron(III) oxideen
dc.titleEnhanced Arsenic Sorption by Hydrated Iron (III) Oxide-Coated Materials-Mechanism and Performancesen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage506
dc.citation.issue6
dc.citation.other83(6): 498-506
dc.citation.rankM23
dc.citation.spage498
dc.citation.volume83
dc.identifier.doi10.2175/106143010X12851009156484
dc.identifier.pmid21751708
dc.identifier.scopus2-s2.0-79960324781
dc.identifier.wos000291209800002
dc.type.versionpublishedVersion


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