受全氟烷基物质污染的沥青和混凝土——未来研究和管理的知识空白。
PFAS contaminated asphalt and concrete - Knowledge gaps for future research and management.
机构信息
CSIRO Land & Water, Industry Environments Program, Centre for Environment and Life Sciences, Private Bag 5, Wembley, WA 6913, Australia; School of Molecular and Life Sciences, Curtin University, Kent St, Bentley, WA 6102, Australia.
CSIRO Land & Water, Water Security Program, Waite Campus, Waite Road, Urrbrae, SA 5064, Australia.
出版信息
Sci Total Environ. 2023 Aug 20;887:164025. doi: 10.1016/j.scitotenv.2023.164025. Epub 2023 May 9.
Per- and polyfluoroalkyl substances (PFAS) are now widespread in the environment. Globally, airfields and paved firefighting training surfaces are particularly affected due to extensive use of aqueous film forming foams (AFFF). This PFAS contamination in exposed concrete and asphalt has not been widely addressed. This review focusses on PFAS interaction with concrete and asphalt, traversing extraction, analytical identification/quantification, PFAS fractionation via differential adsorption on organic and inorganic substrates, and reuse options for contaminated concrete and asphalt. A total of 24 knowledge gaps and management challenges for concrete and asphalt characterisation and management have been identified.
全氟和多氟烷基物质（PFAS）现已广泛存在于环境中。由于大量使用水成膜泡沫（AFFF），全球机场和铺砌的消防训练场地受到的影响尤其严重。暴露于这种 PFAS 污染的混凝土和沥青尚未得到广泛关注。本综述重点关注 PFAS 与混凝土和沥青的相互作用，涉及提取、通过在有机和无机基质上的差异吸附进行分析鉴定/定量、PFAS 分级以及受污染的混凝土和沥青的再利用选择。总共确定了 24 个与混凝土和沥青特性描述和管理相关的知识空白和管理挑战。
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