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      Remediation of Soil Polluted by Organic Compounds Through Chemical Oxidation and Phytoremediation Combined with DCT

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          Abstract

          Soils contaminated with organic substances is an important issue across Europe: In some areas, these are the main causes of pollution, or the second after contamination from waste disposal. This paper included an experimental application that compared three methods of remediation of contaminated sites, based on electric fields: A single treatment (electroremediation); and two combined treatments, phyto-electrochemical and electrooxidation (a combination of chemical treatment and a DCT—direct current technology). The contaminated soil was taken from a former industrial area devoted to oil refining, located between two roads: The one national and the other one for industrial use. Nine soil samples were collected at two depths (0.2 and 0.4 m). The initial characterization of the soil showed a density of 1.5 g/cm³ and a moisture of about 20%; regarding grain size, 50% of the soil had particles with a diameter less than 0.08 mm. The electrochemical treatment and electrooxidation had an efficiency of 20% while the two combined methods had efficiencies of 42.5% for electrooxidation (with H 2O 2) and 20% for phyto-electroremediation (phyto-ER) with poinsettias.

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          Most cited references53

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          Phytoremediation: Environmentally sustainable way for reclamation of heavy metal polluted soils

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            The effects of activated biochar addition on remediation efficiency of co-composting with contaminated wetland soil

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              Biological technologies for the remediation of co-contaminated soil

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                Author and article information

                Journal
                Int J Environ Res Public Health
                Int J Environ Res Public Health
                ijerph
                International Journal of Environmental Research and Public Health
                MDPI
                1661-7827
                1660-4601
                31 August 2019
                September 2019
                : 16
                : 17
                : 3179
                Affiliations
                [1 ]Department of Theoretical and Applied Sciences, Insubria University of Varese, Via G.B. Vico 46, 21100 Varese, Italy
                [2 ]Department of Civil, Environmental and Mechanical Engineering, University of Trento, via Mesiano 77, 38123 Trento, Italy
                [3 ]Department of Biotechnical System, University Politehnica of Bucharest, Spaiul Independentei 313, sector 6, 060042 Bucharest, Romania
                [4 ]Department of Civil, Constructional and Environmental Engineering, University Sapienza of Rome, Via Eudossiana 18, 00184 Rome, Italy
                [5 ]Department of Environmental Economics, Ural Federal University, Mira Str., 19, Ekaterinburg 620002, Russia
                Author notes
                [* ]Correspondence: elena.rada@ 123456uninsubria.it (E.C.R.); ia_istrate@ 123456yahoo.com (I.A.I.); Tel.: +39-0332-218-782 (E.C.R.)
                Author information
                https://orcid.org/0000-0003-0807-1826
                https://orcid.org/0000-0002-7291-5010
                https://orcid.org/0000-0001-7859-7570
                https://orcid.org/0000-0001-6879-6197
                https://orcid.org/0000-0003-3034-9978
                Article
                ijerph-16-03179
                10.3390/ijerph16173179
                6747527
                31480429
                584cad08-2d27-4c72-ae3d-3641f6e2582f
                © 2019 by the authors.

                Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( http://creativecommons.org/licenses/by/4.0/).

                History
                : 14 July 2019
                : 26 August 2019
                Categories
                Article

                Public health
                electroremediation,organic pollution,pelargonium,phytoremediation,tph
                Public health
                electroremediation, organic pollution, pelargonium, phytoremediation, tph

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