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Improved adsorption performance of activated carbon covalently functionalised with sulphur‑containing ligands in the removal of cadmium from aqueous solutions

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cris.lastimport.scopus2024-02-12T19:37:04Z
dc.abstract.enCadmium is a heavy metal that has high toxic potential. Biological absorption of cadmium can cause severe disease. Cadmium ions are frequently removed from the aqueous environment via adsorption. In this paper, commercially available granular activated carbon (AC) was covalently functionalised with three sulphur-containing ligands—thiodiglycol, thiourea and cysteine. The ligands were introduced in order to improve adsorption capacity for the removal of cadmium ions from aqueous solutions. The AC functionalised with cysteine and thiourea had twice the adsorption capacity of Cd(II) than the pristine AC. The introduction of sulphur-containing ligands also improved the adsorption kinetics, i.e. the adsorption kinetic rates were ca. 2–10 times higher than the pristine AC. This enhancement of the adsorption performance was systematically studied in terms of morphology, texture, structural features, the content of sulphur-containing ligands and surface chemistry.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorFronczak, Maciej
dc.contributor.authorBystrzejewski, Michał
dc.contributor.authorPietrowski, P.
dc.contributor.authorBhattarai, A.
dc.contributor.authorPyrzyńska, Krystyna
dc.date.accessioned2024-01-25T03:57:41Z
dc.date.available2024-01-25T03:57:41Z
dc.date.copyright2019-05-11
dc.date.issued2019
dc.description.accesstimeAT_PUBLICATION
dc.description.financeNie dotyczy
dc.description.number12
dc.description.versionFINAL_PUBLISHED
dc.description.volume16
dc.identifier.doi10.1007/S13762-019-02398-0
dc.identifier.issn1735-1472
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/109092
dc.languageeng
dc.pbn.affiliationchemical sciences
dc.relation.ispartofInternational Journal of Environmental Science and Technology
dc.relation.pages7921-7932
dc.rightsCC-BY
dc.sciencecloudnosend
dc.subject.enActivated carbon
dc.subject.enFunctionalisation
dc.subject.enCadmium
dc.subject.enAdsorption kinetics
dc.titleImproved adsorption performance of activated carbon covalently functionalised with sulphur‑containing ligands in the removal of cadmium from aqueous solutions
dc.typeJournalArticle
dspace.entity.typePublication