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Control of the mobility of heavy metals in soil from disposal of bio-solid and olive by-product ashes using waste additives

Vamvouka Despoina, Papaioannou Georgios, Alexandrakis Stylianos, Stratakis Antonios

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URIhttp://purl.tuc.gr/dl/dias/29264326-2D07-464C-9CBC-EEBCFFAEFE9F-
Identifierhttps://doi.org/10.1016/j.envpol.2020.115136-
Identifierhttps://www.sciencedirect.com/science/article/pii/S0269749120328177-
Languageen-
Extent7 pagesen
TitleControl of the mobility of heavy metals in soil from disposal of bio-solid and olive by-product ashes using waste additivesen
CreatorVamvouka Despoinaen
CreatorΒαμβουκα Δεσποιναel
CreatorPapaioannou Georgiosen
CreatorΠαπαϊωαννου Γεωργιοςel
CreatorAlexandrakis Stylianosen
CreatorΑλεξανδρακης Στυλιανοςel
CreatorStratakis Antoniosen
CreatorΣτρατακης Αντωνιοςel
PublisherElsevieren
Content SummaryIn compliance to European Union directives to reuse urban wastes as secondary fuels, the aim of present work was to investigate and control the environmental impact from disposal of ashes generated by combustion of a bio-solid, an olive by-product and their blend. Two waste materials were admixed with the ash and their performance as potential stabilizers was assessed. Metals and ions leached through a soil were measured. The results showed that dissolution of some alkaline substances raised the pH of water effluents, decreasing the extractability of heavy metals from the ashes. In some cases Cr and As leached reached hazardous levels. Upon addition of waste materials to ash, the concentration of Cr in liquid extracts was reduced by 35–97%, while that of Cu and As by 100%. All heavy metal values measured in the leachates were decreased to values below legislation limits. The mineralogy, the chemistry and the pH of solids involved were key factors for the retention of elements.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2022-12-15-
Date of Publication2020-
SubjectAshesen
SubjectBio-soliden
SubjectOlive by-producten
SubjectLeachingen
Bibliographic CitationD. Vamvuka, G. Papaioannou, S. Alexandrakis, and A. Stratakis, “Control of the mobility of heavy metals in soil from disposal of bio-solid and olive by-product ashes using waste additives,” Environ. Pollut., vol. 266, Nov. 2020. doi: 10.1016/j.envpol.2020.115136en

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