Arsenic (V) removal with modifiable bulk and nano p(4-vinylpyridine)-based hydrogels: The effect of hydrogel sizes and quarternization agents

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dc.authoridŞahiner, Nurettin / 0000-0003-0120-530X
dc.authoridÖzay, Özgür / 0000-0001-6589-9844
dc.contributor.authorŞahiner, Nurettin
dc.contributor.authorÖzay, Özgür
dc.contributor.authorAktaş, Nahit
dc.contributor.authorBlake, Diane A.
dc.contributor.authorJohn, Vijay T.
dc.date.accessioned2025-01-27T20:46:11Z
dc.date.available2025-01-27T20:46:11Z
dc.date.issued2011
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractMacrogels and nanogels (5 x 6 mm and 370 nm dimensions, respectively) based on 4-vinylpyridine (p-(4VP)) were prepared using redox and microemulsion techniques. The p(4-VP)-based materials were quaternized with HCl/alkyhalides having different chain lengths to tune the charges (macro and nanogels) and size of nanogels. By developing positive charge on the p(4-VP) materials, they behaved as ion exchangers and used in removal of As(V) from aqueous environments. The prepared p(4-VP) materials were also rendered responsive to magnetic field by in situ incorporation of magnetic metal nanoparticles inside macro p(4-VP) hydrogels and by encapsulation of separately prepared magnetic ferrites by nanosized p(4-VP) particles. Nanoparticles quaternized with HCl (p(4-VP)-HCl) (1 g) removed over 95% of As(V) from a stock solution (10 mg L-1 1000 mL) in 15 min whereas bulk hydrogels removed >82% of the As(V) from an equivalent solution in similar to 12 h. Parameters effecting the As(V) removal, including pH, temperature and ionic strength, were also investigated. The synthesized magnetic p(4-VP) composites could be reused after elution with NaOH and regeneration with quaternization agents; these procedures were facilitated using an externally applied magnetic field. The Langmuir and Freundlich adsorption isotherms were also applied to study the removal of As(V) from aqueous environments. (C) 2011 Elsevier B.V. All rights reserved.
dc.description.sponsorshipCanakkale Onsekiz Mart University [COMU-2010/187]; Turkish Academy of Science
dc.description.sponsorshipN. Sahiner is grateful to the Turkish Academy of Science for financial support under the 2008 TUBA-GEBIP program. This work is partially supported by Canakkale Onsekiz Mart University (COMU-2010/187).
dc.identifier.doi10.1016/j.desal.2011.06.028
dc.identifier.endpage352
dc.identifier.issn0011-9164
dc.identifier.issn1873-4464
dc.identifier.issue1-3
dc.identifier.scopus2-s2.0-80052360262
dc.identifier.scopusqualityQ1
dc.identifier.startpage344
dc.identifier.urihttps://doi.org/10.1016/j.desal.2011.06.028
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24831
dc.identifier.volume279
dc.identifier.wosWOS:000295604200043
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofDesalination
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectNanogel/microgel
dc.subjectHydrogel
dc.subjectModification
dc.subjectArsenic removal
dc.subjectp(4-VP) magnetic-composites
dc.titleArsenic (V) removal with modifiable bulk and nano p(4-vinylpyridine)-based hydrogels: The effect of hydrogel sizes and quarternization agents
dc.typeArticle

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