Combination of electrochemistry with sono to destroy and detoxify PFAS

以前，处理全氟烷基物质和多氟烷基物质(PFAS)的主要手段是通过吸附，从受污染的场地收集和去除PFAS。然而，全氟辛烷磺酸仍然存在，没有退化，正在等待销毁。本项目针对当前修复/吸附厂产生的泥浆废物，旨在通过电化学氧化和声化学相结合的方法有效地降解PFAS，以提高降解能力，加快PFAS从泥浆废物中的解吸/运输，避免电极结垢，并对PFAS进行解毒。该项目的预期结果是清理受污染的场地，包括全氟辛烷磺酸/前体和其他持久性有机污染物，从而产生显著的环境效益。

Previously the major means of dealing with per- and poly-fluoroalkyl substances (PFAS) is by adsorption, to collect and remove PFAS from contaminated sites. However, PFAS still exist, non-degraded and waiting for destruction. Targeting slurry waste from current remediation / adsorption plants, this project aims to efficiently degrade PFAS by combining electrochemical oxidation with sono-chemistry to enhance degradation capacity, to accelerate PFAS desorption / transportation from slurry waste, to avoid electrode fouling and to detoxify PFAS. The expected outcome of this project is to clean up contaminated sites, including PFAS / precursors and other persistent organic pollutants, leading to significant environmental benefits.