Abstract
Electrocoagulation has been employed as a treatment technique for treating various wastewaters. This study focuses on the performance of electrocoagulation process for the treatment of Palm Oil Mill Effluent (POME) and Paint Wastewater (PW) using iron electrodes. POME obtained from local palm oil producers and PW from a paint industry, both in Enugu state of Nigeria, were treated by electrocoagulation using two iron electrodes. Effects of current density, electrocoagulation time, pH, and temperature were studied. Results revealed that this process could reduce the concentration of Total Suspended and Dissolved Solids (TSDP), in both POME and PW. The highest removal efficiencies of 65% and 76% were obtained for POME and PW, respectively, at 3 Amps, 60min, pH of 10, and 50°C for POME and 3 Amps, 60min, pH of 6, and 60°C for PW. Of the two kinetic models studied, second-order kinetic model fitted best to the obtained experimental kinetic data. From this study, it can be concluded that electrocoagulation is effective in the treatment of POME and PW.
Highlights
Environmental pollution has been an issue of serious concern in the world
The palm oil mill effluents are accompanied by solids and are carried along with water during processing
Palm Oil Mill Effluent (POME) exhibits high BOD and chemical oxygen demand (COD); electrocoagulation treatment method was effective in reducing dissolved organic substances
Summary
Environmental pollution has been an issue of serious concern in the world. This is attributed to its effect on the quality and deterioration in water quality as well as other parts of the environment as a result of the alteration of the natural standard due to pollution [1].Increased human activities such as industrialization have led so much to the current level of pollution. Environmental pollution has been an issue of serious concern in the world. This is attributed to its effect on the quality and deterioration in water quality as well as other parts of the environment as a result of the alteration of the natural standard due to pollution [1]. Increased human activities such as industrialization have led so much to the current level of pollution. Wastewater is a major pollutant source into the environment
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