Effects of anolyte recirculation rates and catholytes on electricity generation in a litre-scale upflow microbial fuel cell (Record no. 46293)

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control field 20250625140702.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-12082
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Title Effects of anolyte recirculation rates and catholytes on electricity generation in a litre-scale upflow microbial fuel cell
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Volume/sequential designation Energy & Environmental Science, 9(3), p.1347-1352, 2010
520 3# - SUMMARY, ETC.
Summary, etc. Microbial fuel cells (MFCs)are an attractive technology for simultaneous bioenergy recovery and organic removal; however, the lack of studies conducted with large-scale MFCs, especially those larger than 1 L, obstructs further development of this technology. In this paper, we built and operated a 4.9 L upflow microbial fuel cell (UMFC)with a liquid volume of 2.4 L. Its electricity generation and organic removal performance were examined under different operating conditions. The UMFC produced an open-circuit potential of 1.00 V with an acidified catholyte. Changing the recirculation of the anolyte did not significantly affect the power output in a short period, but a long-term test demonstrated improved electricity production at higher recirculation rates. The water produced via oxygen reduction or diffused from the anode was not sufficient for the cathode reaction; thus, an external supply of water is necessary. Lowering the pH of the catholyte benefited the cathode reaction and increased power production; however, pH is not the only factor affecting the cathode reaction and if organic matters were contained in the catholyte, for instance using the anode effluent as a catholyte, electricity generation decreased. The results and experiences gained from this study will help to further develop pilot-scale MFCs for practical applications.
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Personal name Zhang, F.
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Personal name Jacobson, K.S.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Torres, P.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name He, Z.
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Uniform Resource Identifier <a href="https://drive.google.com/file/d/1WYkoKzygk0-Sc5HkWWo78_ZBeuDDZTXf/view?usp=drivesdk">https://drive.google.com/file/d/1WYkoKzygk0-Sc5HkWWo78_ZBeuDDZTXf/view?usp=drivesdk</a>
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