Abstract:
:Anaerobic fluidized membrane bioreactors (AFMBRs) have been mainly developed as a post-treatment process to produce high quality effluent with very low energy consumption. The performance of an AFMBR was examined using the effluent from a microbial fuel cell (MFC) treating domestic wastewater, as a function of AFMBR hydraulic retention times (HRTs) and organic matter loading rates. The MFC-AFMBR achieved 89 ± 3% removal of the chemical oxygen demand (COD), with an effluent of 36 ± 6 mg-COD/L over 112 days operation. The AFMBR had very stable operation, with no significant changes in COD removal efficiencies, for HRTs ranging from 1.2 to 3.8h, although the effluent COD concentration increased with organic loading. Transmembrane pressure (TMP) was low, and could be maintained below 0.12 bar through solids removal. This study proved that the AFMBR could be operated with a short HRT but a low COD loading rate was required to achieve low effluent COD.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Kim KY,Yang W,Ye Y,LaBarge N,Logan BEdoi
10.1016/j.biortech.2016.02.067subject
Has Abstractpub_date
2016-05-01 00:00:00pages
58-63eissn
0960-8524issn
1873-2976pii
S0960-8524(16)30204-8journal_volume
208pub_type
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