期刊
BIORESOURCE TECHNOLOGY
卷 149, 期 -, 页码 163-168出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2013.09.055
关键词
Microbial fuel cell (MFC); Tubular membrane bioreactor (TMBR); Energy recovery; Wastewater treatment; Membrane fouling
资金
- Natural Science Foundation of China [51378349]
- National Water Pollution Control and Management Technology Major Project of China [2011ZX07321-001]
Microbial fuel cell (MFC) presents a novel method for simultaneous energy recovery and wastewater treatment. In this study, a bio-cathode MFC with tubular membrane assembly was integrated to construct a MFC-TMBR system, which combined the advantages of each individual module. To examine the feasibility of MFC-TMBR integrated process, both electricity generation and wastewater treatment were investigated. Maximum voltage output of 0.8 V and maximum power density of 0.040 W/m(2) were obtained in the 30th day of operation. The MFC-TMBR system achieved organic removal of 94%, as well as the ammonia nitrogen removal of more than 80%. Membrane fouling mitigation was realized using crossflow filtration with tubular membrane in the MFC-TMBR, without any physical cleaning during the 30 day operation. Lower MLSS concentration and higher DO could potentially support this system. Low-cost materials were adopted for reactor construction. The results demonstrate that this system is an energy-efficient and cost-effective approach for wastewater treatment. (C) 2013 Elsevier Ltd. All rights reserved.
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