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Membrane bioreactor (MBR) is credible and promising technology methods for industrial wastewater treatment and recycle it to use in different applications. Today MBR has many domestic and industrial applications and it is popular among the types of conventional treatment methods. The main drawback in the operation of MBR is membrane fouling, that drive to the decrease in permeate flux so need some technique to clean the membrane. In spite of more than a decade of significant advances in improvement of fouling reduction technique, various physical and mechanical methods are still necessary to be improved to limit the membrane fouling problems. In this review, the advantages and disadvantages of membrane bioreactor, fundamental of membrane fouling that is affected by some factors and methods of controlling membrane fouling were discussed.

Excess levels of organic and inorganic matters in the discharge from sugarcane mill effluent (SCME) wastewater, causes the earnest environmental issue. In this study, a single unit integrated ultrasonic membrane anaerobic system (IUMAS) has been investigated for industrial sugarcane wastewater treatment. As the “Membrane-fouling” is one of the main constraints of IUMAS which eventually reduce the processing ability. In the present study, most researchers resort to cost reduction. IUMAS was alternatively applied as an economical approach for SCME wastewater treatment. The application of “Multiple-analysis” methods (COD, BOD, TSS) and three kinetic models during the treatment, suggested the specific range of organic loading rate to produce biogas. The result showed the increased methane gas production up to 80% in the biogas, with 94 -96% of COD removal efficiency from the SCME wastewater. Results concluded the effective efficiency of IUMAS to reduce the membrane fouling and treatment of SCME wastewater as well as enhanced production of methane gas.