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Comparison of 2- and 3-Compartment Electrodialytic Remediation Cells for Oil Polluted Soil from Northwest Russia
Department of Chemistry, UiT – The Arctic University of Norway, Tromsoe, Norway.
Department of Civil Engineering, Technical University of Denmark, Lyngby, Denmark.
Akvaplan-niva, Tromsoe, Norway .
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering. Department of Chemistry, UiT – The Arctic University of Norway, Tromsoe, Norway.ORCID iD: 0000-0002-4497-6529
2021 (English)In: Environmental technology, ISSN 0959-3330, E-ISSN 1479-487X, Vol. 42, no 25, p. 3900-3906Article in journal (Refereed) Published
Abstract [en]

Electrodialytic remediation is a method based on electrokinetics, in which an electric field of low intensity increases the availability of pollutants in solid waste materials. The electric field induces processes that mobilize and transport inorganic and organic pollutants. The transport of ions in the electrodialytic cell is controlled by employing ion-exchange membranes, allowing separation of the electrodes from the solids. In this study, using a two cell design, electrodialytic experiments were conducted to compare remediation of a heavily oil-polluted soil from Arkhangelsk, Russia. The 2-compartment cell has not previously been employed for electrodialytic removal of organic pollutants and was tested along with the traditional 3-compartment design. The influence of experimental variables (current density, remediation time, stirring and light) and settings on the two cell designs was investigated. The highest removal (77%) of total hydrocarbons (THC) was observed in the 3-compartment cell at high current density (0.68 mA/cm2), longer remediation time (28 days), stirring and exposure to daylight. High current density and stirring increased the removal efficiencies in both cell designs. Within the studied experimental domain, the removal efficiencies in the 3-compartment cell (10-77%) were however, higher than those observed in the 2-compartment cell (0-38%).

Place, publisher, year, edition, pages
Taylor & Francis, 2021. Vol. 42, no 25, p. 3900-3906
Keywords [en]
oil pollution, electrodialytic remediation, EDR, experimental design, cell design
National Category
Other Environmental Engineering
Research subject
Waste Science and Technology
Identifiers
URN: urn:nbn:se:ltu:diva-78393DOI: 10.1080/09593330.2020.1749943ISI: 000527279900001PubMedID: 32241239Scopus ID: 2-s2.0-85083528162OAI: oai:DiVA.org:ltu-78393DiVA, id: diva2:1422540
Conference
10th International Symposium on Waste Management Problems in Agro-Industries (AGRO2019)
Note

Godkänd;2021;Nivå 0;2021-11-09 (johcin);Konferensartikel i tidskrift

Available from: 2020-04-08 Created: 2020-04-08 Last updated: 2024-03-26Bibliographically approved

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Lejon, Tore

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