Biotech firm electrocutes soil so bacteria can eat ‘forever chemicals’

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Biotech firm electrocutes soil so bacteria can eat ‘forever chemicals’
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Start-up Fixed Earth is attempting to remove PFAS 'forever chemicals' from soil at a test site in Wisconsin by filling it with chemical-eating bacteria and electrocuting the ground to speed them up

Soil laced with contaminating chemicals, like at this site in Utah, can require significant clean-up effortsA biotech firm is trialling the removal of PFAS “forever chemicals” from soil at a test site in Wisconsin by injecting chemical-eating bacteria and electrocuting the ground.

Perfluoroalkyl and polyfluoroalkyl substances, or PFAS, are a class of thousands of different synthetic chemicals that contain carbon and fluorine atoms linked by strong bonds. The chemicals – which repel grease and water – have been in widespread use since the 1940s for everything from

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