US Patent Issued to GSI Environmental on March 24 for "Method and apparatus for removal of per- and polyfluoroalkyl substances (PFAS) from groundwater" (Texas Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,767, issued on March 24, was assigned to GSI Environmental Inc. (Houston).

"Method and apparatus for removal of per- and polyfluoroalkyl substances (PFAS) from groundwater" was invented by Charles J. Newell (Houston), David T. Adamson (Houston), Poonam R. Kulkarni (Houston) and John A. Connor (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A decontamination method for subsurface aquifers having per- and polyfluoroalkyl substances (PFAS) contaminants by injecting gas through a screened well or open tube through a porous media to form buoyant material where the PFAS contaminants accumulate on and/or in the buoyant material and rise to the wat...