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dc.contributor.authorGeorgiou, Efthaliaen
dc.contributor.authorIoannidis, Ioannisen
dc.contributor.authorPashalidis, Ioannisen
dc.contributor.authorViet, Dang Ducen
dc.contributor.authorTsubota, Toshikien
dc.contributor.authorKalderis, Dimitriosen
dc.contributor.editorTriantafyllidis, Konstantinosen
dc.creatorGeorgiou, Efthaliaen
dc.creatorIoannidis, Ioannisen
dc.creatorPashalidis, Ioannisen
dc.creatorViet, Dang Ducen
dc.creatorTsubota, Toshikien
dc.creatorKalderis, Dimitriosen
dc.date.accessioned2024-01-24T08:15:36Z
dc.date.available2024-01-24T08:15:36Z
dc.date.issued2023
dc.identifier.issn2949-8392
dc.identifier.urihttp://gnosis.library.ucy.ac.cy/handle/7/66072
dc.description.abstractPalm oil is a product of major economic importance worldwide however, palm tree cultivation generates large quantities of palm fronds as waste. In this work, the sorption of Eu3+ from aqueous solutions by oxidized biochar derived from palm tree fronds was studied at pH 3 by batch type experiments under ambient conditions. Following biochar production, the sample was oxidized using HNO3 to increase the oxygen-containing moieties on its surface. The oxidized biochar was characterized through surface and spectroscopic techniques. As indicated by the coefficient of determination value of 0.99, Eu3+ adsorption was best described by the Langmuir isotherm model. The optimum adsorption capacity was determined at qmax= 0.81 mol kg−1. Adsorption was an entropy-driven process and followed the 2nd order kinetics, reaching a plateau value of 50% relative adsorption within 60 min. Furthermore, Fourier Transform InfraRed spectroscopic data and the effect of ionic strength indicated that adsorption proceeded via the development of inner-sphere complexes between Eu3+ and the carboxylic groups on the biochar surface.en
dc.language.isoengen
dc.publisherElsevieren
dc.sourceSustainable Chemistry for the Environmenten
dc.source.urihttps://www.sciencedirect.com/science/article/pii/S2949839223000408#coi0005en
dc.subjectEuropiumen
dc.subjectBiocharen
dc.subjectPalm treeen
dc.subjectAdsorptionen
dc.subjectRare earth elementsen
dc.titleEuropium removal from aqueous solutions by oxidized biochar prepared from waste palm tree frondsen
dc.typeinfo:eu-repo/semantics/articleen
dc.identifier.doi10.1016/j.scenv.2023.100040
dc.description.volume4en
dc.author.faculty002 Σχολή Θετικών και Εφαρμοσμένων Επιστημών / Faculty of Pure and Applied Sciences
dc.author.departmentΤμήμα Χημείας / Department of Chemistry
dc.type.uhtypeArticleen
dc.contributor.orcidTriantafyllidis, Konstantinos [0000-0001-8658-8500]
dc.contributor.orcidPashalidis, Ioannis [0000-0002-7587-6395]
dc.contributor.orcidViet, Dang Duc [0000-0001-9882-6780]
dc.contributor.orcidKalderis, Dimitrios [0000-0002-4983-065X]
dc.type.subtypeSCIENTIFIC_JOURNALen
dc.gnosis.orcid0000-0001-8658-8500
dc.gnosis.orcid0000-0002-7587-6395
dc.gnosis.orcid0000-0001-9882-6780
dc.gnosis.orcid0000-0002-4983-065X


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