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Magnetoresponsive polymer networks as adsorbents for the removal of U(VI) ions from aqueous media

dc.contributor.authorIlia, R.en
dc.contributor.authorLiatsou, I.en
dc.contributor.authorSavva, I.en
dc.contributor.authorVasile, E.en
dc.contributor.authorVekas, L.en
dc.contributor.authorMarinica, O.en
dc.contributor.authorMpekris, F.en
dc.contributor.authorPashalidis, I.en
dc.contributor.authorKrasia-Christoforou, T.en
dc.creatorIlia, R.en
dc.creatorLiatsou, I.en
dc.creatorSavva, I.en
dc.creatorVasile, E.en
dc.creatorVekas, L.en
dc.creatorMarinica, O.en
dc.creatorMpekris, F.en
dc.creatorPashalidis, I.en
dc.creatorKrasia-Christoforou, T.en
dc.date.accessioned2019-05-06T12:23:43Z
dc.date.available2019-05-06T12:23:43Z
dc.date.issued2017
dc.identifier.urihttp://gnosis.library.ucy.ac.cy/handle/7/48419
dc.description.abstractMagnetoresponsive, methacrylate-based 3D polymer networks containing hydrophilic/thermoresponsive, hydrophilic/pH-responsive and hydrophobic/metal chelating functionalities and oleic acid-coated magnetite nanoparticles, have been synthesized by conventional crosslinking radical polymerization and further evaluated as adsorbents for the removal of U(VI) ions from aqueous media. The adsorption properties of the networks prior and after magnetization regarding U(VI) ion removal from aqueous solutions of varying acidity and initial U(VI) concentration have been investigated. The effect of pH on the interaction of the adsorbents with U(VI) ions was shown to differ dramatically depending on solid phase composition, due to the fact that in the magnetite-loaded network, the Fe3O4 nanoparticles act as buffers by binding solution protons. Nevertheless, U(VI) adsorption on both types of adsorbents follows the Langmuir adsorption isotherm and the value of their maximum adsorption capacity is qmax = ∼0.02 mol kg−1 showing no statistically significant differences. The magnetic properties of these materials make their removal and adsorbed uranium separation from the aqueous phase quite simple by using an external magnetic field. © 2017 Elsevier Ltden
dc.language.isoengen
dc.sourceEuropean Polymer Journalen
dc.subjectSynthesis (chemical)en
dc.subjectCrosslinkingen
dc.subjectMagnetite nanoparticlesen
dc.subjectPolymerizationen
dc.subjectHydrophilicityen
dc.subjectMagnetismen
dc.subjectMetalsen
dc.subjectMetal ionsen
dc.subjectExternal magnetic fielden
dc.subjectNanoparticlesen
dc.subjectAdsorptionen
dc.subjectAdsorption propertiesen
dc.subjectChemicals removal (water treatment)en
dc.subjectFe3O4 nanoparticlesen
dc.subjectLangmuir adsorption isothermsen
dc.subjectMagnetic polymer networksen
dc.subjectMagnetic polymersen
dc.subjectMagnetiteen
dc.subjectMetal nanoparticlesen
dc.subjectNanomagneticsen
dc.subjectPolymer metal ion adsorbentsen
dc.subjectPolymer metalsen
dc.subjectSolid phase compositionen
dc.subjectSolutionsen
dc.subjectStatistically significant differenceen
dc.subjectSuperparamagnetismen
dc.subjectU(VI) adsorptionen
dc.titleMagnetoresponsive polymer networks as adsorbents for the removal of U(VI) ions from aqueous mediaen
dc.typeinfo:eu-repo/semantics/article
dc.identifier.doi10.1016/j.eurpolymj.2017.10.005
dc.description.volume97
dc.description.startingpage138
dc.description.endingpage146
dc.author.facultyΠολυτεχνική Σχολή / Faculty of Engineering
dc.author.departmentΤμήμα Μηχανικών Μηχανολογίας και Κατασκευαστικής / Department of Mechanical and Manufacturing Engineering
dc.type.uhtypeArticleen
dc.contributor.orcidKrasia-Christoforou, T. [0000-0002-9915-491X]
dc.description.totalnumpages138-146
dc.gnosis.orcid0000-0002-9915-491X


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