Removal of heavy metals (Cu, Cd and Zn) from contaminated soils using EDTA and FeCl3

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dc.contributor.authorBilgin, Melayib
dc.contributor.authorTulun, Şevket
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-16T08:21:54Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-16T08:21:54Z
dc.date.issued2016
dc.departmentMühendislik Fakültesi
dc.description.abstractEnvironmental pollution caused by heavy metals from different industrial activities constitutes a serious risk for the environment. Soils contaminated with metals, such as Cu, Cd and Zn, are often subjected to physical or chemical remediation procedures to purify soils from these metals. Typical chelating agents used for metal extraction and soil washing generally include ethylene-diaminetetraacetic acid nitrilotriacetic acid, diethylenetriaminepentaacetic acid and citric acid. The subject study evaluating the potential of soil washing methods using EDTA and ferric chloride on two types of soils (coarse grained, fine grained). The effects of operating parameters, such as liquid/solid ratio, soil washing chemicals and washing time were examined. In extraction procedure of Cd (266 mg kg-1), Cu (194 mg kg-1) and Zn (497 mg kg-1) from contaminated coarse grained soil with using 0.01 M FeCl3 washing solution (liquid/solid ratio 20) for 2 hours, contaminants were removed 96.66%, 90.02% and 98.25%, respectively. In extraction procedure of Cd (218 mg kg-1), Cu (153 mg kg-1) and Zn (441.6 mg kg-1) from contaminated fine grained soil with using 0.01 M FeCl3 washing solution (liquid/solid ratio 20) for 2 hours, contaminants were removed 98.18%, 97.48% and 98.05%, respectively. Better removal efficiencies have been obtained by using FeCl3. These results confirmed the effectiveness of the soil-washing method with FeCl3 in remediating heavy metals (Cu, Cd and Zn) from different types of soil. © 2016 Global NEST Printed in Greece.All rights reserved.
dc.identifier.endpage107en_US
dc.identifier.issn1790-7632
dc.identifier.issue1en_US
dc.identifier.scopusqualityQ3
dc.identifier.startpage98en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12451/2391
dc.identifier.volume18en_US
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherGlobal NEST
dc.relation.ispartofGlobal Nest Journal
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectEDTA
dc.subjectFeCl3
dc.subjectHeavy Metals
dc.subjectSoil
dc.subjectSoil Washing
dc.titleRemoval of heavy metals (Cu, Cd and Zn) from contaminated soils using EDTA and FeCl3
dc.typeArticle

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