Fly ash-based waste for ex-situ landfill stabilization of per- and polyfluoroalkyl substance (PFAS)-contaminated soil
Chemical Engineering Journal Advances(2022)
摘要
•23 waste materials were screened for effective PFAS retention in landfill soil.•Fly ash-based waste was found to remove 98% of 11 PFAS from leachate.•Sorption relied on PFAS perfluorocarbon chain length indicating hydrophobic binding.•PFAS sorption to grate-fire incineration fly ash indicated an alternative mechanism.
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关键词
PFAS,Soil remediation,Stabilization,Landfill,Fly ash,Activated carbon
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