Electrochemical Technology for Wastewater Treatment: Dares and Trends - Open Access Library Journal

OALibJ > Vol.7 No.1, January 2020

Electrochemical Technology for Wastewater Treatment: Dares and Trends ()

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DOI: 10.4236/oalib.1106020 909 Downloads 4,117 Views Citations

Author(s)

Djamel Ghernaout^1,2, Noureddine Elboughdiri^1,3

Affiliation(s)

¹Chemical Engineering Department, College of Engineering, University of Ha’il, Ha’il, Saudi Arabia.
²Chemical Engineering Department, Faculty of Engineering, University of Blida, Blida, Algeria.
³Département de Génie Chimique de Procédés, Laboratoire Modélisation, Analyse, et Commande des systèmes, Ecole Nationale d’Ingénieurs de Gabès (ENIG), Gabès, Tunisia.

ABSTRACT

For treating wastewater, electrochemical engineering has been rediscovered during the last four decades through the world for its inherent advantages comparatively with traditional technologies especially the chemical and biological techniques. However, the expansion of this technology founded on electric current applying has been retarded by several technical-economic factors especially the detection of disinfection by-products (DBPs) formation. This work focuses on the challenges and future tendencies for this highly-efficient technology to reach the full-scale implementations particularly in disinfecting water. Lately, new versions of electrochemical techniques have been suggested such as employing sulfate radical anion (SO₄^.-) and sunlight to generate ^.OH radicals in TiO2 photocatalysis and photo-Fenton water treatment. These improvements elevated the electrochemical engineering efficiency and acceptation. However, more efforts remain to be accomplished for water reuse vision. Future researches would focus on integrating membranes processes such as nanofiltration and reverse osmosis for a safe removal of DBPs.

KEYWORDS

Wastewater Treatment, Electrochemical Engineering, Electrodisinfection, Electrocoagulation, Electroflotation, Electrooxidation

Share and Cite:

Ghernaout, D. and Elboughdiri, N. (2020) Electrochemical Technology for Wastewater Treatment: Dares and Trends. Open Access Library Journal, 7, 1-17. doi: 10.4236/oalib.1106020.

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