Application of membrane bioreactors for water reuse

Jegatheesan, V., Shu, L., and Visvanathan, C. (2009) Application of membrane bioreactors for water reuse. In: Pandey, Ashok , Larroche, Christian, Soccol, Carlos Ricardo, and Dussap, Claude-Gilles, (eds.) New Horizons in Biotechnology. Asiatech, New Delhi, India, pp. 272-285.

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Abstract

Water reuse is becoming increasingly popular all over the world due to diminishing resources of water supply and increasing demand. However, water reuse requires advanced wastewater treatment processes to achieve the standards required for reuse water. Membrane bioreactor (MBR) is one of the advanced wastewater treatment processes that is starting to replace the conventional activated sludge process (ASP) which is used to treat domestic, aquaculture, industrial and various other effluents. The conventional activated sludge process is comprised of an aeration tank where the biodegradable organic substances from the effluent are consumed by suspended microbial culture followed by a sedimentation tank to settle out the microbial culture from the suspension (Figure 1a). The MBR is constructed in one of the following two modes: (i) side stream MBR where the MBR is connected to the aeration tank externally (Figure Ib), (ii) submerged MBR where the MBR is submerged in the aeration tank (Figure 1c). In both modes the filtrate (or permeate) is obtained through the membrane either due to the available head or using suction pumps.

Item ID: 11217
Item Type: Book Chapter (Research - B1)
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ISBN: 978-81-87680-19-2
Date Deposited: 21 May 2010 05:30
FoR Codes: 09 ENGINEERING > 0904 Chemical Engineering > 090404 Membrane and Separation Technologies @ 40%
09 ENGINEERING > 0904 Chemical Engineering > 090409 Wastewater Treatment Processes @ 60%
SEO Codes: 96 ENVIRONMENT > 9611 Physical and Chemical Conditions of Water > 961101 Physical and Chemical Conditions of Water for Urban and Industrial Use @ 100%
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