TY - JOUR
T1 - Assessment of electrocoagulation for the treatment of petroleum refinery wastewater
AU - El-Naas, Muftah H.
AU - Al-Zuhair, Sulaiman
AU - Al-Lobaney, Amal
AU - Makhlouf, Souzan
N1 - Funding Information:
The authors would like to acknowledge the financial support provided by the Japan Cooperation Center, Petroleum (JCCP), and the technical support of the Nippon Oil Research Institute Co. Ltd. (NORI). They would also like to thank Abu Dhabi Oil Refining Company (TAKREER) and the Research Affairs at the UAE University for their support. Special thanks are also due to the following individuals for their help with the experimental work: Sami Abdulla and Ali Dowaidar.
PY - 2009/10
Y1 - 2009/10
N2 - Batch electrocoagulation experiments were carried out to evaluate the removal of sulfate and COD from petroleum refinery wastewater using three types of electrodes: aluminum, stainless steel, and iron. The effects of current density, electrode arrangement, electrolysis time, initial pH, and temperature were investigated for two wastewater samples with different concentrations of COD and sulfate. The experimental results indicated that the utilization of aluminum, as anode and cathode, was by far the most efficient arrangement in the reduction of both the contaminants. The treatment process was found to be largely affected by the current density and the initial composition of the wastewater. Although electrocoagulation was found to be most effective at 25°C and a pH of 8, the influence of these two parameters on the removal rate was not significant. The results demonstrated the technical feasibility of electrocoagulation as a possible and reliable technique for the pretreatment of heavily contaminated petroleum refinery wastewater.
AB - Batch electrocoagulation experiments were carried out to evaluate the removal of sulfate and COD from petroleum refinery wastewater using three types of electrodes: aluminum, stainless steel, and iron. The effects of current density, electrode arrangement, electrolysis time, initial pH, and temperature were investigated for two wastewater samples with different concentrations of COD and sulfate. The experimental results indicated that the utilization of aluminum, as anode and cathode, was by far the most efficient arrangement in the reduction of both the contaminants. The treatment process was found to be largely affected by the current density and the initial composition of the wastewater. Although electrocoagulation was found to be most effective at 25°C and a pH of 8, the influence of these two parameters on the removal rate was not significant. The results demonstrated the technical feasibility of electrocoagulation as a possible and reliable technique for the pretreatment of heavily contaminated petroleum refinery wastewater.
KW - COD
KW - Electrocoagulation
KW - Petroleum refinery
KW - Sulfate
KW - Wastewater treatment
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U2 - 10.1016/j.jenvman.2009.08.003
DO - 10.1016/j.jenvman.2009.08.003
M3 - Article
C2 - 19717218
AN - SCOPUS:70350211858
SN - 0301-4797
VL - 91
SP - 180
EP - 185
JO - Journal of Environmental Management
JF - Journal of Environmental Management
IS - 1
ER -