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DEFLUORINATION OF PER- AND POLYFLUOROALKYL SUBSTANCES (PFASS) WITH HYDRATED ELECTRONS: STRUCTURAL DEPENDENCE AND IMPLICATIONS TO PFAS REMEDIATION AND MANAGEMENT
Bentel, M.J., Y. Yu, L. Xu, Z. Li, B.M. Wong, Y. Men, and J. Liu.
Environmental Science and Technology 53:3718-3728(2019)

Researchers investigated critical structure-reactivity relationships within 34 representative PFASs undergoing defluorination with UV-generated hydrated electrons. Cross-comparison of experimental results, including different rates of decay and defluorination of specific PFAS categories, the incomplete defluorination from most PFAS structures, and the achievement of 100% defluorination from CFCOO-, afforded new mechanistic insights into PFAS degradation. The findings provide information for developing treatment processes and technologies to destroy a wide range of PFASs and for designing fluorochemical formulations that might be less likely to release recalcitrant PFASs to the environment. https://pubs.acs.org/doi/pdf/10.1021/acs.est.8b06648?rand=j0lpbe8z. See slides for more information https://www.ideals.illinois.edu/bitstream/handle/2142/103970/Liu_Jinyong_ECEC19.pdf?sequence=2&isAllowed=y.



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