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AuthorQin, Mohan
AuthorPing, Qingyun
AuthorLu, Yaobin
AuthorAbu-Reesh, Ibrahim M.
AuthorHe, Zhen
Available date2022-12-29T08:04:07Z
Publication Date2015-04-25
CitationQin, M., Ping, Q., Lu, Y., Abu-Reesh, I. M., & He, Z. (2015). Understanding electricity generation in osmotic microbial fuel cells through integrated experimental investigation and mathematical modeling. Bioresource Technology, 195, 194-201.‏
ISSN09608524
URIhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84946499172&origin=inward
URIhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84946499172&origin=inward
URIhttp://hdl.handle.net/10576/37864
Abstract(Graph Presented). Osmotic microbial fuel cells (OsMFCs) are a new type of MFCs with integrating forward osmosis (FO). However, it is not well understood why electricity generation is improved in OsMFCs compared to regular MFCs. Herein, an approach integrating experimental investigation and mathematical model was adopted to address the question. Both an OsMFC and an MFC achieved similar organic removal efficiency, but the OsMFC generated higher current than the MFC with or without water flux, resulting from the lower resistance of FO membrane. Combining NaCl and glucose as a catholyte demonstrated that the catholyte conductivity affected the electricity generation in the OsMFC. A mathematical model of OsMFCs was developed and validated with the experimental data. The model predicated the variation of internal resistance with increasing water flux, and confirmed the importance of membrane resistance. Increasing water flux with higher catholyte conductivity could decrease the membrane resistance.
SponsorThis work was supported by NPRP grant #6-289-2-125 from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of the authors. The authors would like to thank Peppers Ferry Regional Wastewater Treatment Plant for providing inocula.
Languageen
PublisherElsevier Ltd
SubjectForward osmosis
Internal resistance
Ion exchange membrane
Osmotic microbial fuel cells
Wastewater treatment
TitleUnderstanding electricity generation in osmotic microbial fuel cells through integrated experimental investigation and mathematical modeling
TypeArticle
Pagination194-201
Volume Number195
dc.accessType Abstract Only


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