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

Author

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  • Elena Cristina Rada

    (Department of Theoretical and Applied Sciences, Insubria University of Varese, Via G.B. Vico 46, 21100 Varese, Italy)

  • Gianni Andreottola

    (Department of Civil, Environmental and Mechanical Engineering, University of Trento, via Mesiano 77, 38123 Trento, Italy)

  • Irina Aura Istrate

    (Department of Biotechnical System, University Politehnica of Bucharest, Spaiul Independentei 313, sector 6, 060042 Bucharest, Romania)

  • Paolo Viotti

    (Department of Civil, Constructional and Environmental Engineering, University Sapienza of Rome, Via Eudossiana 18, 00184 Rome, Italy)

  • Fabio Conti

    (Department of Theoretical and Applied Sciences, Insubria University of Varese, Via G.B. Vico 46, 21100 Varese, Italy)

  • Elena Romenovna Magaril

    (Department of Environmental Economics, Ural Federal University, Mira Str., 19, Ekaterinburg 620002, Russia)

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 2 O 2 ) and 20% for phyto-electroremediation (phyto-ER) with poinsettias.

Suggested Citation

  • Elena Cristina Rada & Gianni Andreottola & Irina Aura Istrate & Paolo Viotti & Fabio Conti & Elena Romenovna Magaril, 2019. "Remediation of Soil Polluted by Organic Compounds Through Chemical Oxidation and Phytoremediation Combined with DCT," IJERPH, MDPI, vol. 16(17), pages 1-11, August.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:17:p:3179-:d:262719
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    References listed on IDEAS

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    1. Gordana Pehnec & Ivana Jakovljević, 2018. "Carcinogenic Potency of Airborne Polycyclic Aromatic Hydrocarbons in Relation to the Particle Fraction Size," IJERPH, MDPI, vol. 15(11), pages 1-25, November.
    2. Paliza Shrestha & Korkmaz Bellitürk & Josef H. Görres, 2019. "Phytoremediation of Heavy Metal-Contaminated Soil by Switchgrass: A Comparative Study Utilizing Different Composts and Coir Fiber on Pollution Remediation, Plant Productivity, and Nutrient Leaching," IJERPH, MDPI, vol. 16(7), pages 1-16, April.
    3. Tekleweini Gereslassie & Ababo Workineh & Onyango Janet Atieno & Jun Wang, 2019. "Determination of Occurrences, Distribution, Health Impacts of Organochlorine Pesticides in Soils of Central China," IJERPH, MDPI, vol. 16(1), pages 1-18, January.
    4. Ronchi, Silvia & Salata, Stefano & Arcidiacono, Andrea & Piroli, Erika & Montanarella, Luca, 2019. "Policy instruments for soil protection among the EU member states: A comparative analysis," Land Use Policy, Elsevier, vol. 82(C), pages 763-780.
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    Cited by:

    1. Mihail Busu, 2020. "A Market Concentration Analysis of the Biomass Sector in Romania," Resources, MDPI, vol. 9(6), pages 1-10, May.
    2. Jeongjun Park & Gigwon Hong, 2022. "Simulation on the Permeability Evaluation of a Hybrid Liner for the Prevention of Contaminant Diffusion in Soils Contaminated with Total Petroleum Hydrocarbon," IJERPH, MDPI, vol. 19(20), pages 1-17, October.
    3. Jingjing Yu & Panpan Wang & Bei Yuan & Minghao Wang & Pengfei Shi & Fasheng Li, 2024. "Remediation Technologies of Contaminated Sites in China: Application and Spatial Clustering Characteristics," Sustainability, MDPI, vol. 16(4), pages 1-14, February.

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