Dithiocarbamate-incorporated monosize polystyrene microspheres for selective removal of mercury ions

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dc.contributor.authorDenizli, A
dc.contributor.authorKesenci, K
dc.contributor.authorArica, Y
dc.contributor.authorPiskin, E
dc.date.accessioned2020-06-25T17:34:42Z
dc.date.available2020-06-25T17:34:42Z
dc.date.issued2000
dc.departmentKırıkkale Üniversitesi
dc.description.abstractDithiocarbamate-incorporated monosize polystyrene based microspheres (2 mu m in diameter) were used for selective removal of Hg(II) from aqueous solutions containing different amounts of Hg(II) (10-100 ppm). Adsorption rates were observed as high at the beginning of adsorption and then equilibrium was reached in about 30 min. The maximum Hg(II) adsorption capacity of the dithiocarbamate-incorporated PS microspheres was about 33.2 mg per gram of dry polymer, which was observed at pH 7.0. While non-specific Hg(II) adsorption onto the plain microspheres was 0.85 mg per gram of dry microsphere. The Hg(II) adsorption ability increased with increasing pH, in the range where the solubility of the Hg(II) was not affected by the pH. The preferential (i.e., competitive adsorption) binding of Hg(II) by the microspheres implies that this sorbent system might contain higher-affinity binding sites for Hg(ll) than Cu(II), Cd(II) and Pb(II) ions. More than 96% of the adsorbed Hg(II) was desorbed in 15 min by using 0.1 M HNO3 as an elution agent. The regeneration of the dithiocarbamate-incorporated PS microspheres was also sufficient. (C) 2000 Elsevier Science B.V. All rights reserved.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1016/S1381-5148(99)00099-1
dc.identifier.endpage243en_US
dc.identifier.issn1381-5148
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-0033720042
dc.identifier.scopusqualityQ1
dc.identifier.startpage235en_US
dc.identifier.urihttps://doi.org/10.1016/S1381-5148(99)00099-1
dc.identifier.urihttps://hdl.handle.net/20.500.12587/2852
dc.identifier.volume44en_US
dc.identifier.wosWOS:000088276300005
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science Bven_US
dc.relation.ispartofReactive & Functional Polymers
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectmonosize polystyrene microsphereen_US
dc.subjectmercuryen_US
dc.subjectselective removalen_US
dc.subjectpolystyreneen_US
dc.titleDithiocarbamate-incorporated monosize polystyrene microspheres for selective removal of mercury ionsen_US
dc.typeArticle

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