Adsorption of U(VI) and Th(IV) ions removal from aqueous solutions by pretreatment with Cystoseira barbata

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dc.authoridOZUDOGRU, YELIZ/0000-0003-0471-6404
dc.contributor.authorOzudogru, Yeliz
dc.contributor.authorMerdivan, Melek
dc.date.accessioned2025-01-27T21:05:30Z
dc.date.available2025-01-27T21:05:30Z
dc.date.issued2020
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractRadioactive wastes from human activities can spread to the environment and pose a serious threat to human health. This paper examined the removal of radioactive U(VI) and Th(IV) ions from aqueous solutions by a modified alga, Cystoseira barbata (Stackhouse) C. Agardh. The effects of pH, contact time, radioactive ion concentration, and temperature were examined on the adsorption and desorption of the radioactive ions by the algae from different solutions. The maximum adsorption capacity (q(ma)x) value was 217.39 mg g(-1) at 45 degrees C for U(VI) and 305.81 mg g(-1) at 45 degrees C for Th(IV). The data were analyzed with Langmuir and Freundlich isotherms. Scanning electron microscopy and Fourier transform infrared spectroscopy analyses were performed to determine the changes on the surfaces of the algae following adhesion of radioactive ions to the algal surfaces. The success rate for recovery of the loaded radioactive materials was more than 90%.
dc.description.sponsorshipCanakkale Onsekiz Mart University research foundation (BAP) [FBA-2016-968]
dc.description.sponsorshipThis study was funded by the Canakkale Onsekiz Mart University research foundation (BAP, Project No. FBA-2016-968).
dc.identifier.doi10.1007/s10967-019-06943-6
dc.identifier.endpage603
dc.identifier.issn0236-5731
dc.identifier.issn1588-2780
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85075077811
dc.identifier.scopusqualityQ2
dc.identifier.startpage595
dc.identifier.urihttps://doi.org/10.1007/s10967-019-06943-6
dc.identifier.urihttps://hdl.handle.net/20.500.12428/27681
dc.identifier.volume323
dc.identifier.wosWOS:000510858800053
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofJournal of Radioanalytical and Nuclear Chemistry
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectCystoseira barbata
dc.subjectModification
dc.subjectU(VI)
dc.subjectTh(IV)
dc.subjectBiosorption
dc.titleAdsorption of U(VI) and Th(IV) ions removal from aqueous solutions by pretreatment with Cystoseira barbata
dc.typeArticle

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