地下水中PFAS的超声破坏水成膜泡沫和调查衍生废物

SonolyticDestruction of PFAS in Groundwater, Aqueous Film-Forming Foam, and Investigation Derived WasteShaily Mahendra, Professor and SamueliFellowUCLA Civil and Environmental EngineeringThanks to $ponsorsand Collaborators•NAVFAC EXWC: •Jovan Popovic, Anthony Danko•GSI Environmental: •Poonam Kulkarni, Stephen Richardson, David Adamson, Blossom Nzeribe•Colorado State University: •Jens Blotevogel, Andrea Hanson Rhoads, Greg Dooley •PCT Systems: •Sharyl Maraviov•UCLA: •Sanjay Mohanty, Shashank Singh KalraPrinciples of SonochemistryMechanism of Destruction4Vecitiset al (2008)Laboratory-scale Reactor5Maximum Volume2 LDimensions10.1 cm ×18.42 cm ×18.42 cmRated Power250 WPiezo-electric Transducers 4Temperature ControlYesMaterialPolypropylene0.4 kWh for 4 h operation = 5 cents @ $ 0.12/kWh= $0.18/galReactor Operation6ArgonArINArOUTBatch-modeSonication (240 min)Sample Collection every 30 minCoolant INCoolant OUTAgilent 6460 triple Quadrupolemass Spectrometer(LC/QqQMS)PFAS AnalysisAnions DionexI