This week on the Disrupting PFAS podcast, host Jeff Hale speaks with Dr. Suzanne Witt, PhD of Fraunhofer USA about using boron-doped diamond electrodes to destroy PFAS using electrochemical oxidation. Employing boron-doped diamond electrodes in series, Suzanne and her team at Fraunhofer USA have successfully treated landfill leachate and published a paper in the Journal of Water Process Engineering describing their promising results.

Boron-doped diamond is a particularly good material for electrochemical oxidation of PFAS because of its durability. The material allows these researchers to apply a high current density through a contaminated solution, strong enough to oxidize and break PFAS' incredibly strong carbon-fluorine bonds. This application also allows for control of energy use -- an important consideration in affordability and sustainability of PFAS destruction technologies.

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00:00 Episode Introduction
01:15 About Dr. Witt
03:18 About Fraunhofer USA
07:15 PFAS Technology Outlook
09:12 Paper in the Journal of Water Process Engineering
09:45 About Boron-Doped Diamond
11:45 About Electrochemical Oxidation
14:45 Suzanne shows Boron-Doped Diamond Electrodes and Configurations
16:22 Different Configurations for Different Applications
18:55 Scalability
20:30 Matrix Complexities
25:50 Destroying Different PFAS Compounds
26:20 Byproducts
27:50 Applicability
32:00 Technology Readiness
33:34 Wrap Up
34:00 Thank You and Credits

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