Effects of Fenton’s Reagent and Potassium Permanganate Applications on Indigenous Subsurface Microbiota: A Literature Review
Waddell, Jonathan P.
Mayer, Gregory C.
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This review explores existing knowledge pertaining to interactions between chemical oxidants utilized for subsurface remediation (i.e., Fenton’s Reagent and potassium permanganate) and subsurface microorganisms. These oxidative processes may negatively affect indigenous microorganisms, and thus the capacity for intrinsic bioattenuation, or provide partially oxidized organics that enhance bioactivity. This synopsis includes discussions of the formation of Fenton’s Reagent-derived reactive oxygen species and permanganate ions (MnO₄), respective mechanisms of microbial cell damage, laboratory and field studies, and implications for subsurface restoration.