Electrochemical Treatment of Olive Mill Waste powered by Photovoltaic Solar Energy
Abstract
The proposed photovoltaic electrochemical (PV-EC) process combines autonomous and environmentally friendly photovoltaicsolar energy with the capability of the combined electrocoagulation/electrooxidation process to effectively remediate toxicolive mill wastewaters and simultaneously produce electrolytic hydrogen. The photovoltaic array can be connected directly toan electrochemical reactor without batteries increasing, in this way, system sustainability and eliminating the environmentalthreat of poor battery disposal management. The PV-EC system is proved versatile according to the instantaneous solarirradiation 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, currentdensity, electroprocessing time and solar irradiance were studied and optimal conditions were investigated. The experimentalresults showed that the initial COD of 21000 mg/dm3 and turbidity of 162 NTU of the olive mill waste sample, were effectivelyreduced to 122 mg/dm3 and 0 NTU, respectively, after treating the wastewater by both, batch wise and continuously operatedelectrocoagulation 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 millwastewaters, especially for applications in remote and isolated locations with lack of electric grid.References
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wastewater biological treatment by fungi biomass, Water science and
technology 55 (10) (2007) 89–97.
[2] B. Hande Gursoy-Haksevenler, I. Arslan-Alaton, Treatment of olive mill
wastewater by chemical processes: effect of acid cracking pretreatment,
Water Science and Technology 69 (7) (2014) 1453–1461.
[3] E. Chatzisymeon, A. Dimou, D. Mantzavinos, A. Katsaounis, Electrochemical
oxidation of model compounds and olive mill wastewater over
dsa electrodes: 1. the case of ti/iro2 anode, Journal of Hazardous Materials
167 (1-3) (2009) 268–274.
[4] M. Panizza, G. Cerisola, Olive mill wastewater treatment by anodic
oxidation with parallel plate electrodes, Water Research 40 (6) (2006)
1179–1184.
[5] M. S. Secula, I. Cre¸tescu, S. Petrescu, An experimental study of indigo
carmine removal from aqueous solution by electrocoagulation, Desalination
277 (1-3) (2011) 227–235.
[6] M. Kobya, O. T. Can, M. Bayramoglu, Treatment of textile wastewaters
by electrocoagulation using iron and aluminum electrodes, Journal of
hazardous materials 100 (1-3) (2003) 163–178.
[7] K. Dermentzis, D. Marmanis, E. Valsamidou, A. Christoforidis,
K. Ouzounis, Electrochemical decolorization treatment of nickel phthalocyanine
reactive dye wastewater., Environmental Engineering &
Management Journal (EEMJ) 10 (11).
[8] A. Giannis, M. Kalaitzakis, E. Diamadopoulos, Electrochemical treatment
of olive mill wastewater, Journal of Chemical Technology &
Biotechnology: International Research in Process, Environmental &
Clean Technology 82 (7) (2007) 663–671.
[9] E. Chatzisymeon, N. P. Xekoukoulotakis, A. Coz, N. Kalogerakis,
D. Mantzavinos, Electrochemical treatment of textile dyes and dyehouse
effluents, Journal of Hazardous Materials 137 (2) (2006) 998–
1007.
[10] P. Paraskeva, E. Diamadopoulos, Technologies for olive mill wastewater
(omw) treatment: a review, Journal of Chemical Technology &
Biotechnology: International Research in Process, Environmental &
Clean Technology 81 (9) (2006) 1475–1485.
[11] I. Jum’h, A. Abdelhay, H. Al-Taani, A. Telfah, M. Alnaief, S. Rosiwal,
Fabrication and application of boron doped diamond bdd electrode in
olive mill wastewater treatment in jordan, Journal of Water Reuse and
Desalination 7 (4) (2017) 502–510.
[12] I. Tröster, M. Fryda, D. Herrmann, L. Schäfer, W. Hänni, A. Perret,
M. Blaschke, A. Kraft, M. Stadelmann, Electrochemical advanced oxidation
process for water treatment using diachem® electrodes, Diamond
and Related Materials 11 (3-6) (2002) 640–645.
[13] A. Kraft, M. Stadelmann, M. Blaschke, Anodic oxidation with doped
diamond electrodes: a new advanced oxidation process, Journal of
hazardous materials 103 (3) (2003) 247–261.
[14] K. Dermentzis, D. Marmanis, A. Christoforidis, K. Ouzounis, Electrochemical
reclamation of wastewater resulted from petroleum tanker
truck cleaning., Environmental Engineering & Management Journal
(EEMJ) 13 (9).
[15] S. Mo¸toc, F. Manea, A. Pop, A. Baciu, G. Burtic ˘ a, R. Pode, Electrochemical
mineralization of reactive red 147 dye on boron-doped diamond
electrodes., Environmental Engineering & Management Journal
(EEMJ) 12 (3).
[16] J. M. Ortiz, E. Expósito, F. Gallud, V. García-García, V. Montiel, A. Aldaz,
Electrodialysis of brackish water powered by photovoltaic energy
without batteries: direct connection behaviour, Desalination 208 (1-3)
(2007) 89–100.
[17] D. Valero, J. M. Ortiz, E. Exposito, V. Montiel, A. Aldaz, Electrocoagulation
of a synthetic textile effluent powered by photovoltaic energy
without batteries: Direct connection behaviour, Solar Energy Materials
and Solar Cells 92 (3) (2008) 291–297.
[18] K. Dermentzis, D. Marmanis, A. Christoforidis, A. Moumtzakis, Photovoltaic
electrocoagulation process for remediation of chromium plating
wastewaters, Desalination and Water Treatment 56 (5) (2015) 1413–
1418.
[19] E. Alvarez-Guerra, A. Dominguez-Ramos, A. Irabien, Design of the
photovoltaic solar electro-oxidation (pseo) process for wastewater
treatment, Chemical Engineering Research and Design 89 (12) (2011)
2679–2685.
[20] S. Zhang, J. Zhang, W. Wang, F. Li, X. Cheng, Removal of phosphate
from landscape water using an electrocoagulation process powered directly
by photovoltaic solar modules, Solar Energy Materials and Solar
Cells 117 (2013) 73–80.
Published
2019-01-18
How to Cite
MARMANIS, D. et al.
Electrochemical Treatment of Olive Mill Waste powered by Photovoltaic Solar Energy.
Journal of Power Technologies, [S.l.], v. 98, n. 5, p. 377–381, jan. 2019.
ISSN 2083-4195.
Available at: <https://papers.itc.pw.edu.pl/index.php/JPT/article/view/1462>. Date accessed: 22 dec. 2024.
Issue
Section
RENEWABLE ENERGY SOURCES & ENERGY EFFICIENCY 2018 Cyprus
Keywords
Electrocoagulation; Electrooxidation; Olive mill effluents; Photovoltaic solar energy
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