The main objective of the research was to develop and evaluate green infrastructure technologies for optimizing the removal of polycyclic aromatic hydrocarbons (PAHs) (and their toxic degradation products), as well as polychlorinated biphenyls (PCBs), per- and polyfluoro-alkyl substances (PFASs), and metals (Cu2+ and Zn2+) in order to improve stormwater management. A combination of lab-scale and field-scale studies were used to develop a mechanistic understanding of the fate and transport of PAHs, PCBs, PFASs, Cu2+ and Zn2+ in stormwater treatment, using both commercially available sorbents and native vegetated bioswales. These data will be used to develop and validate a new module in the USEPA SWMM model to simulate plant-water-soil interactions for standard water quality parameters and sediment associated PAHs, PCBs, PFASs, Cu2+ and Zn2+ under multiple storm event scenarios.

Removal of PAHs, PCBs, PFASs, and metals from stormwater using green infrastructure technologies

ACS Fall 2021

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