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    Assessment of Microbial Fuel Cell Configurations and Power Densities

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    acs2Eestlett2E5b00180.pdf
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    PDF
    Description:
    Accepted Manuscript
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    Type
    Article
    Authors
    Logan, Bruce E.
    Wallack, Maxwell J
    Kim, Kyoung-Yeol
    He, Weihua cc
    Feng, Yujie
    Saikaly, Pascal cc
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Environmental Science and Engineering Program
    Water Desalination and Reuse Research Center (WDRC)
    Date
    2015-08-03
    Online Publication Date
    2015-08-03
    Print Publication Date
    2015-08-11
    Permanent link to this record
    http://hdl.handle.net/10754/561402
    
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    Abstract
    Different microbial electrochemical technologies are being developed for a many diverse applications, including wastewater treatment, biofuel production, water desalination, remote power sources, and as biosensors. Current and energy densities will always be limited relative to batteries and chemical fuel cells, but these technologies have other advantages based on the self-sustaining nature of the microorganisms that can donate or accept electrons from an electrode, the range of fuels that can be used, and versatility in the chemicals that can be produced. The high cost of membranes will likely limit applications of microbial electrochemical technologies that might require a membrane. For microbial fuel cells, which do not need a membrane, questions remain on whether larger-scale systems can produce power densities similar to those obtained in laboratory-scale systems. It is shown here that configuration and fuel (pure chemicals in laboratory media versus actual wastewaters) remain the key factors in power production, rather than the scale of the application. Systems must be scaled up through careful consideration of electrode spacing and packing per unit volume of reactor.
    Citation
    Assessment of Microbial Fuel Cell Configurations and Power Densities 2015:150730101528006 Environmental Science & Technology Letters
    Publisher
    American Chemical Society (ACS)
    Journal
    Environmental Science & Technology Letters
    DOI
    10.1021/acs.estlett.5b00180
    Additional Links
    http://pubs.acs.org/doi/abs/10.1021/acs.estlett.5b00180
    ae974a485f413a2113503eed53cd6c53
    10.1021/acs.estlett.5b00180
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Environmental Science and Engineering Program; Water Desalination and Reuse Research Center (WDRC)

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