US military to test destroying toxic PFAS with superheated water

A system that breaks down so-called forever chemicals with extreme heat and pressure will be tested at two US Air Force bases and a Navy base


27 February 2023

The 3D molecular structure of perfluorobutanoic acid, a type of PFAS “forever chemical”

Shutterstock/Sergei Shimanovich

The US military is testing a method of destroying compounds known as “forever chemicals” by mixing water and hot air under pressure. The tests will be carried out in contaminated groundwater on two Air Force bases and a Navy base as part of a wider search for technologies that can break down the long-lasting molecules.

Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are a class of synthetic chemicals used since the 1940s that can be toxic to humans at very …


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