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Stabilizacija zagađenja olovom korišćenjem sintetičkih i prirodnih apatita

dc.creatorKaluđerović, Tatjana
dc.creatorDuduković, Aleksandar
dc.creatorRaičević, Slavica
dc.date.accessioned2021-03-10T09:55:02Z
dc.date.available2021-03-10T09:55:02Z
dc.date.issued2001
dc.identifier.issn1451-9372
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/347
dc.description.abstractLead contamination is an environmental concern due to its effect on human health. One of the ways of remediating lead contamination is the in situ stabilization of this heavy metal. This can be achieved by converting different types of lead species into Pb-phosphates (pyromorphites), which are among the least soluble Pb-bearing solids. Synthetic hydroxyapatite (Ca5(PO4)3OH) and natural apatite can be used for this purpose. Both hydroxyapatite and some natural apatites are effective in reducing the aqueous Pb concentration to below 15 µgl-1 (EPA drinking water limit). The main mechanism in the case of hydroxyapatite is its dissolution and subsequent precipitation of pyromorphites. The mechanism and the effectiveness of natural apatites depend on the type of apatite, its composition, crystallinity and presence of impurities. Apatites are also effective in reducing the Pb concentration in leachets from contaminated soils in the pH range from 6 to 10. The percentage of Pb concentration reduction is from 60 to 99.9% depending on the type of contamination and type of apatite amendment applied. These data suggest that apatites have potential to provide cost-effective in situ Pb immobilization.en
dc.publisherAssociation of the Chemical Engineers of Serbia
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.sourceChemical Industry & Chemical Engineering Quarterly
dc.subjectContamination remediationen
dc.subjectEnvironmental protectionen
dc.subjectHydroxyapatiteen
dc.subjectLeaden
dc.subjectNatural apatiteen
dc.titleRemediation of environment contaminated by lead using synthetic and natural apatitesen
dc.titleStabilizacija zagađenja olovom korišćenjem sintetičkih i prirodnih apatitasr
dc.typearticle
dc.rights.licenseBY-NC-ND
dc.citation.epage119
dc.citation.issue1
dc.citation.other7(1): 114-119
dc.citation.spage114
dc.citation.volume7
dc.identifier.fulltexthttp://TechnoRep.tmf.bg.ac.rs/bitstream/id/1354/344.pdf
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_technorep_347
dc.identifier.scopus2-s2.0-79955040953
dc.type.versionpublishedVersion


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