Electrochemical transformation of contaminants is a growing area of interest in water treatment. While the majority of studies have focused on electrochemical oxidation, electrochemical reduction has the potential to selectively transform a variety of water contaminants without the risk of toxic byproduct formation. In this talk, I will discuss our ongoing efforts to develop electrodes and electrochemical processes to facilitate contaminant reduction. I will highlight work focused on the removal of disinfection byproducts (e.g., halo acetic acids, N-nitrsodimethylamine) and oxyanions (e.g., perchlorate, nitrate) in novel flow-through electrodes. A combination of bench-scale reactivity studies, electrochemical analysis, and molecular modeling was used to understand the mechanisms of contaminant transformation, and this information was used to further optimize electrode design.

Electrochemical reduction of water contaminants through novel electrode design

ACS Fall 2021

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