Abstract:
:A wall-jet microbial fuel cell (MFC) was developed for the monitoring of anaerobic digestion (AD). This biofilm based MFC biosensor had a character of being portable, short hydraulic retention time (HRT) for sample flow through and convenient for continuous operation. The MFC was installed in the recirculation loop of an upflow anaerobic fixed-bed (UAFB) reactor in bench-scale where pH of the fermentation broth and biogas flow were monitored in real time. External disturbances to the AD were added on purpose by changing feedstock concentration, as well as process configuration. MFC signals had good correlations with online measurements (i.e. pH, gas flow rate) and offline analysis (i.e. COD) over 6-month operation. These results suggest that the MFC signal can reflect the dynamic variation of AD and can potentially be a valuable tool for monitoring and control of bioprocess.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Liu Z,Liu J,Zhang S,Xing XH,Su Zdoi
10.1016/j.biortech.2011.08.053subject
Has Abstractpub_date
2011-11-01 00:00:00pages
10221-9issue
22eissn
0960-8524issn
1873-2976pii
S0960-8524(11)01159-Xjournal_volume
102pub_type
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