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Treatment of Oily Wastewater From Port Waste Reception Facilities by Electrocoagulation | ||
| International Journal of Environmental Research | ||
| مقاله 29، دوره 5، شماره 4، آذر 2011، صفحه 1079-1086 اصل مقاله (135.3 K) | ||
| نوع مقاله: Original Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/ijer.2011.466 | ||
| نویسندگان | ||
| E. Sekman؛ S. Top؛ E. Uslu؛ G. Varank؛ M.S. Bilgili* | ||
| Yildiz Technical University, Environmental Engineering Department, 34220 Esenler, Istanbul, Turkey | ||
| چکیده | ||
| The present study investigated oil/water demulsification and treatment of oily wastewater originated from port waste reception facilities by electro coagulation using aluminum electrodes in a batch reactor. The efficiency of Al electrodes in removing SS, COD, and oil & grease from wastewater with different current densities and operational times were investigated. The characteristics of the wastewater vary in a wide range e.g. SS 13.3–660 mg/L, COD 240–2783 mg/L, and oil & grease 6.5–736 mg/L. The results of the study indicated that the SS, COD, and oil & grease can be removed effectively by EC process using Al electrodes. The optimum EC time and current density for SS removal (98.8%) was determined as 5 min and 16 mA/cm2, respectively. The first 5 min of the EC process give a considerable removal of COD for all current intensities (61-90%). The optimal current density for COD removal was determined as 12 mA/cm2 with the EC time of 20 min. Results indicated that oil & grease removal reached to a rate higher than 80% after EC time of 10 min for all current densities. The results demonstrated the applicability of electrocoagulation as a possible and reliable technique for the treatment of wastewater of port waste reception facilities. | ||
| کلیدواژهها | ||
| Electrocoagulation؛ Waste reception facility؛ Oily wastewater؛ Al electrode | ||
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