Journal
BIORESOURCE TECHNOLOGY
Volume 122, Issue -, Pages 83-94Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2012.02.110
Keywords
MBfR; MABR; Biofilm; Membrane biofilm reactor; Hydrogen
Funding
- APTwater, Inc.
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [0954918] Funding Source: National Science Foundation
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The membrane biofilm reactor (MBfR), an emerging technology for water and wastewater treatment, is based on pressurized membranes that supply a gaseous substrate to a biofilm formed on the membrane's exterior. MBfR biofilms behave differently from conventional biofilms due to the counter-diffusion of substrates. MBfRs are uniquely suited for numerous treatment applications, including the removal of carbon and nitrogen when oxygen is suppl\ied, and reduction of oxidized contaminants when hydrogen is supplied. Major benefits include high gas utilization efficiency, low energy consumption, and small reactor footprints. The first commercial MBfR was recently released, and its success may lead to the scale-up of other applications. MBfR development still faces challenges, including biofilm management, the design of scalable reactor configurations, and the identification of cost-effective membranes. If future research and development continue to address these issues, the MBfR may play a key role in the next generation of sustainable treatment systems. (C) 2012 Elsevier Ltd. All rights reserved.
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