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DEVELOPMENT OF SULFATE RADICAL-BASED CHEMICAL OXIDATION PROCESSES FOR GROUNDWATER REMEDIATION
Citation:
Rastogi, A., S. R. AL-ABED, AND D. D. DIONYSIOU. DEVELOPMENT OF SULFATE RADICAL-BASED CHEMICAL OXIDATION PROCESSES FOR GROUNDWATER REMEDIATION. Presented at 80th Annual Water Environment Federation Technical Exhibition And Conference (WEFTEC), San Diego, CA, October 13 - 17, 2007.
Impact/Purpose:
To investigate the development of novel sulfate radical-based chemical oxidation processes for the treatment of groundwater contaminants.
Description:
This study investigates the development of novel sulfate radical-based chemical oxidation processes for treatment of groundwater contaminants. Environmentally friendly transition metal (Fe (II), Fe (III)) has been evaluated for the activation of common oxidants (peroxymonosulfate and persulfate) and the degradation of model recalcitrant organic contaminant, such as polychlorinated biphenyls (PCBs). Sodium citrate, a low molecular weight chelating agent, was tested to control the quantity of iron (Fe (II), Fe (III)) in the solution for effective activation of the oxidant.