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ASPECTS REGARDING THE ELECTROCOAGULATION APPLICATIONS IN THE WATER AND WASTEWATER TREATMENT


AIDA DERMOUCHI 1, MOSSAAB BENCHEIKH-LEHOCINE 1, SIHEM ARRIS 1, VALENTIN NEDEFF 2, NARCIS BARSAN 2
1. Faculty of Pharmaceutical Engineering Process, University of Constantine 3, Constantine, Algeria.
2. “Vasile Alecsandri” University of Bacau, Calea Marasesti 156, Bacau, 600115, Romania

Issue:

JESR, Number 2, Volume XXI

Section:

Issue Nr. 2 - Volume 21(2015)

Abstract:

Electrocoagulation (EC) has been known for over a century. Applications in industry as water and wastewater treatment processes were adapted for the removal of suspended solids, organic compounds, COD (Chemical oxygen demand), BOD (biochemical oxygen demand), metallic and non-metallic pollution. The main advantage in EC technology is the fact that it works without the addition of chemical products. The DC current between metallic electrodes immersed in the effluent is used as an energy source for this technique, which causes their dissolution. The effect of the main parameters, current density, treatment time, initial pH, temperature, electrode materials, conductivity and distance between the electrodes were investigated. According to the conclusion of the works published in recent years, the removal efficiencies of pollutants materials by EC process are very important.

Keywords:

electrocoagulation, water and wastewater treatment, electrodes, pollutants.

Code [ID]:

JESR201502V21S01A0004 [0004289]

DOI:

Full paper:

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