Electrochemical remediation of wastewater contaminated by phenol

Abstract

One of the most significant contributors to water contamination is the petroleum sector. Large volumes of refinery effluent contaminated with numerous sorts of contaminants are discharged into water sources, causing substantial environmental harm. As a result, researchers looked at the use of a variety of treatment techniques to mitigate the impacts of refinery effluent. Utilising hybrid electrodes (iron as cathodes, and aluminium as anodes) electrodes, this investigation intends to use the electrocoagulation method to minimised phenol contaminants from refinery effluent. In addition, the influence of experimental parameters such as electrical current density, electrode spacing, and duration of treatment on the elimination of phenols was investigated in this study. To eliminate the phenols from the effluent, batch flow investigations were employed. According to the findings, the electrocoagulation technique decreased the number of phenols in petroleum effluent. The hybrid electrocoagulation unit was able to decrease the phenol content by around 45%. With a current density of 4 mA/cm2 and electrode separation of 2cm, the highest removal efficiency was reached after 110 minutes of treatment. Other experiment factors, such as the original amount of the phenols, must be examined.