Issue 6, 2020

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

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

Supplementary files

Article information

Article type
Communication
Submitted
27 N’w 2019
Accepted
08 Dzi 2020
First published
20 Dzi 2020

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

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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