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Anaerobic membrane bioreactors for wastewater treatment: Novel configurations, fouling control and energy considerations
- Maaz, Muhammad, Yasin, Muhammad, Aslam, Muhammad, Kumar, Gopalakrishnan, Atabani, A.E., Idrees, Mubbsher, Anjum, Fatima, Jamil, Farrukh, Ahmad, Rizwan, Khan, Asim Laeeq, Lesage, Geoffroy, Heran, Marc, Kim, Jeonghwan
- Bioresource technology 2019 v.283 pp. 358-372
- anaerobic digestion, energy efficiency, environmental protection, fouling, membrane bioreactors, public health, wastewater, wastewater treatment, water shortages
- Water shortage, public health and environmental protection are key motives to treat wastewater. The widespread adoption of wastewater as a resource depends upon development of an energy-efficient technology. Anaerobic membrane bioreactor (AnMBR) technology has gained increasing popularity due to their ability to offset the disadvantages of conventional treatment technologies. However there are several hurdles, yet to climb over, for wider spread and scale-up of the technology. This paper reviews fundamental aspects of anaerobic digestion of wastewater, and identifies the challenges and opportunities to the further development of AnMBRs. Membrane fouling and its implications are discussed, and strategies to control membrane fouling are proposed. Novel AnMBR configurations are discussed as an integrated approach to overcome technology limitations. Energy demand and recovery in AnMBRs is analyzed. Finally key issues that require urgent attention to facilitate global penetration of AnMBR technology are highlighted.