An aerated and fluidized bed membrane bioreactor for effective wastewater treatment with low membrane foulingElectronic supplementary information (ESI) available. See DOI: 10.1039/c6ew00203j

Anaerobic fluidized bed membrane bioreactors (AFMBRs) use granular activated carbon (GAC) particles suspended by recirculation to effectively treat low strength wastewaters (∼100-200 mg L −1 , chemical oxygen demand, COD), but the effluent can contain dissolved methane. An aerobic fluidized bed memb...

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Main Authors: Ye, Yaoli, LaBarge, Nicole, Kashima, Hiroyuki, Kim, Kyoung-Yeol, Hong, Pei-Ying, Saikaly, Pascal E, Logan, Bruce E
Format: Article
Language:English
Online Access:Get full text
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Summary:Anaerobic fluidized bed membrane bioreactors (AFMBRs) use granular activated carbon (GAC) particles suspended by recirculation to effectively treat low strength wastewaters (∼100-200 mg L −1 , chemical oxygen demand, COD), but the effluent can contain dissolved methane. An aerobic fluidized bed membrane bioreactor (AOFMBR) was developed to avoid methane production and the need for wastewater recirculation by using rising air bubbles to suspend GAC particles. The performance of the AOFMBR was compared to an AFMBR and a conventional aerobic membrane bioreactor (AeMBR) for domestic wastewater treatment over 130 d at ambient temperatures (fixed hydraulic retention time of 1.3 h). The effluent of the AOFMBR had a COD of 20 ± 8 mg L −1 , and a turbidity of
ISSN:2053-1400
2053-1419
DOI:10.1039/c6ew00203j