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Issue 6, 2020

Harnessing salinity gradient energy in coastal stormwater runoff to reduce pathogen loading

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Abstract

Stormwater runoff is a significant source of coastal pathogen pollution. Here, we demonstrate field-scale use of a charge-free mixing entropy battery (MEB) to tap the salinity gradient voltage between stormwater and seawater and use it to power stormwater disinfection in an UV-LED module, achieving a 2.8 log reduction in E. coli.

Graphical abstract: Harnessing salinity gradient energy in coastal stormwater runoff to reduce pathogen loading

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Article information


Submitted
27 Dec 2019
Accepted
08 Apr 2020
First published
20 Apr 2020

Environ. Sci.: Water Res. Technol., 2020,6, 1553-1558
Article type
Communication

Harnessing salinity gradient energy in coastal stormwater runoff to reduce pathogen loading

K. L. Dubrawski, W. Wang, J. Xu and C. S. Criddle, Environ. Sci.: Water Res. Technol., 2020, 6, 1553 DOI: 10.1039/C9EW01137D

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