Electrochemical treatment of olive mill waste powered by photovoltaic solar energy

• Autorzy: Marmanis D. , Dermentzis K. , Christoforidis A. , Diamantis V. , Ouzounis K. , Agapiou A. , Stylianou M.
• Języki publikacji: EN

Abstrakty

EN

The proposed photovoltaic electrochemical (PV-EC) process combines autonomous and environmentally friendly photovoltaic solar energy with the capability of the combined electrocoagulation/electrooxidation process to effectively remediate toxic olive mill wastewaters and simultaneously produce electrolytic hydrogen. The photovoltaic array can be connected directly to an electrochemical reactor without batteries increasing, in this way, system sustainability and eliminating the environmental threat of poor battery disposal management. The PV-EC system is proved versatile according to the instantaneous solar irradiation by adjusting the wastewater flow rate to the current intensity supplied by the photovoltaic array. Operating parameters affecting the efficiency of the proposed process, such as wastewater flow rate, conductivity, current density, electroprocessing time and solar irradiance were studied and optimal conditions were investigated. The experimental results showed that the initial COD of 21000 mg/dm3 and turbidity of 162 NTU of the olive mill waste sample, were effectively reduced to 122 mg/dm3 and 0 NTU, respectively, after treating the wastewater by both, batch wise and continuously operated electrocoagulation and electrooxidation or combination of the two processes. The proposed process is a safe method for effective treatment of toxic and recalcitrant wastes, such as oily olive mill wastewaters, especially for applications in remote and isolated locations with lack of electric grid.

Słowa kluczowe

EN

electrocoagulation; electrooxidation; olive mill effluents; photovoltaic solar energy

PL

elektrokoagulacja; elektroutlenianie; ścieki z młyna oliwnego; energia słoneczna fotowoltaiczna

• Wydawca: Institute of Heat Engineering, Warsaw University of Technology
• Czasopismo: Journal of Power Technologies
• Rocznik: 2018
• Tom: Vol. 98, nr 5
• Strony: 377--381
• Opis fizyczny: Bibliogr. 20 poz., rys., tab., wykr.

Twórcy

autor

Marmanis D.

• Department of Petroleum & Mechanical Engineering, Eastern Macedonia and Thrace Institute of Technology, 65404 Agios Loucas, Kavala, Greece

autor

Dermentzis K.

• Department of Petroleum & Mechanical Engineering, Eastern Macedonia and Thrace Institute of Technology, 65404 Agios Loucas, Kavala, Greece

autor

Christoforidis A.

• Department of Petroleum & Mechanical Engineering, Eastern Macedonia and Thrace Institute of Technology, 65404 Agios Loucas, Kavala, Greece

autor

Diamantis V.

• Department of Environmental Engineering, Democritus University of Thrace, 67100 Xanthi, Greece

autor

Ouzounis K.

• Department of Environmental Engineering, Democritus University of Thrace, 67100 Xanthi, Greece

autor

Agapiou A.

• Department of Chemistry, University of Cyprus,P.O. Box 20537, 1678 Nicosia, Cyprus

autor

Stylianou M.

• Department of Chemistry, University of Cyprus,P.O. Box 20537, 1678 Nicosia, Cyprus

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).