Notice of RetractionUrban Wastewater Reclamation and Reuse Advanced Techniques: Novel Membrane Bio-Reactor Technology

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE\´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

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The study on municipal wastewater reclamation technology is increasingly urged to develop for the lack of water resource and water environmental pollution. As an advanced wastewater treatment technique, membrane bio-reactor was deeply studied and applied recently, but the application of MBR in municipal wastewater reclamation and the membrane fouling were not resolved well till now. The combination of air and permeate backwashing as membrane fouling controlling technique was adopted and the membrane bio-reactor in treating municipal wastewater as reclaimed water was studied, as well as the economic feasibility was analyzed in this study. The results showed that the effluent quality was superior and stable, colorless and odourless, COD<; 30 mg/L, NH₃-N <; 0.5 mg/L, and no coliform was identified if the membrane bio-reactor was adopted to treat municipal wastewater. The effluent quality met the "National Standard of Reclaimed Water" (CJ 25.1-89). This back washing technique could blow off the cake layer deposited on the membrane surface greatly, decrease the membrane resistance, recover the membrane flux and maintain the membrane permeability, so it could be taken as an effective membrane fouling controlling technique.