What to Do with Vast Stockpiles of PFAS-Laden Firefighting Foam?

Millions of litres of firefighting foam that contain high levels of per- and polyfluoroalkyl substances (PFAS) are sitting in stockpiles. Much of this leftover material has been there for decades, held in storage at fire stations, airports, oil facilities, and chemical manufacturing plants across the US. Until now, there hasn’t been an acceptable method to rid the world of these stashes of aqueous film-forming foams (AFFF), but the US-based R&D organization Battelle is set to tackle this.

The non-profit has proven that its new technology based on supercritical water oxidation chemistry (SWOC) – affectionately dubbed the PFAS Annihilator – completely destroyed stores of PFAS-laden AFFF in a recent deployment that was funded by Greenfire, a US firefighting products company.

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