Disinfection of E. Coli Contaminated Urine Using Boron-Doped Diamond Electrodes

We report the development of an electrochemical disinfection system for human urine, which does not require the addition of any external water or chemical reagents. It is designed to minimize energy consumption so that it may be powered from point-of-use sources such as photovoltaic solar panels. Th...

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Bibliographic Details
Published in:Journal of the Electrochemical Society 2014-01, Vol.161 (12), p.G81-G85
Main Authors: Raut, Akshay S., Cunningham, Garry B., Parker, Charles B., Klem, Ethan J. D., Stoner, Brian R., Deshusses, Marc A., Glass, Jeffrey T.
Format: Article
Language:English
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Summary:We report the development of an electrochemical disinfection system for human urine, which does not require the addition of any external water or chemical reagents. It is designed to minimize energy consumption so that it may be powered from point-of-use sources such as photovoltaic solar panels. The system will be part of a modular outdoor toilet for use in less developed countries. Initial tests were conducted with a physiological saline solution and an organic dye to determine minimum-energy operating conditions. Disinfection was then quantified using synthetic urine and E. coli as the indicator organism. The colony forming unit (CFU) count of E. Coli was reduced from >109 CFU/100 mL to
ISSN:0013-4651
1945-7111
DOI:10.1149/2.1121410jes