Development of Membrane Bioreactor to Membrane Electro-bioreactor for Advanced Treatment of Wastewater

Document Type : Original Research Paper


1 School of Environment, College of Engineering, University of Tehran, P.O.Box 14155-6135, Tehran, Iran

2 School of Chemical Engineering, College of Engineering, University of Tehran, P.O.Box 14155-6135, Tehran, Iran

3 School of Civil Engineering, Iran University of Science and Technology, P.O.Box 16846-13114, Tehran, Iran


Limited available water resources have rendered wastewater reuse an important issue to specialists in most developed countries, today. The current study works on membrane filtration for treatment of industrial wastewater. By comparing the two methods of membrane bioreactor (MBR) and hybrid membrane electro bioreactor (MEBR) processes, it finds that earlier fouling in the membrane occurs in the first method than the second one. In the membrane electro-bioreactor, in addition to membrane filtration and activated sludge process, the chemical process of electrical coagulation is performed concurrently, wherein the final product quality is improved and the fouling, reduced. In comparison to membrane bioreactor, this method is capable of removing higher percentage of chemical oxygen demand (COD) as an index of organic matters. Accordingly, it is recommended to use the membrane electro-bioreactor method as an alternative to membrane bioreactor for advanced wastewater treatment.


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