Hexavalent chromium removal by magnetic particle-loaded micro-sized chitinous egg shells isolated from ephippia of water flea

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dc.contributor.authorArslan, Gülşin
dc.contributor.authorSargın, İdris
dc.contributor.authorKaya, Murat
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-16T09:16:18Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-16T09:16:18Z
dc.date.issued2019
dc.departmentSabire Yazıcı Fen Edebiyat Fakültesi
dc.description.abstractModified chitin and magnetic particles are two important materials widely used in heavy metal removal studies. Loading of magnetic particles into conventional adsorbents has emerged as a recent convenient way to improve the properties of adsorptive materials. Compared to its deacetylated form chitosan, chitin has very limited use in removal of contaminants because of its insolubility in aqueous environments. This study reports an easy way to produce micro-sized chitin and gives details on loading of magnetic particles into micro-sized chitin to enhance the interaction of chitin with heavy metal contaminant; hexavalent chromium Cr(VI). Removal of Cr(VI) ions from the aquatic environments is of high importance considering its detrimental effects on human health. Chitin microcages that had been isolated from the ephippial eggs of Daphnia longispina (crustacean, water flea) were incorporated with magnetic particles. Chitin microcages and magnetic particles-loaded chitin microcages were tested in removal of Cr(VI) under different solution and operational parameters; adsorbent dosage, contact time, Cr(VI) ion concentration, pH and temperature. Magnetic particles-loaded chitin microcages yielded higher Cr(VI) removal performance under all the specified conditions; chitin microcages: 0.77 mmol/g and particles loaded chitin microcages: 1.29 mmol/g. (C) 2019 Elsevier B.V. All rights reserved.
dc.identifier.doi10.1016/j.ijbiomac.2019.01.180
dc.identifier.endpage30en_US
dc.identifier.issn0141-8130
dc.identifier.issn1879-0003
dc.identifier.pmid30731166
dc.identifier.scopusqualityQ1
dc.identifier.startpage23en_US
dc.identifier.urihttps://doi.org/10.1016/j.ijbiomac.2019.01.180
dc.identifier.urihttps://hdl.handle.net/20.500.12451/4569
dc.identifier.volume129en_US
dc.identifier.wosWOS:000466621200003
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherElsevier Science Bv
dc.relation.ispartofInternational Journal of Biological Macromolecules
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectCr(VI)
dc.subjectEphippium
dc.subjectChitin Isolation
dc.titleHexavalent chromium removal by magnetic particle-loaded micro-sized chitinous egg shells isolated from ephippia of water flea
dc.typeArticle

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