US Patent Issued to Evoqua Water Technologies on Sept. 29 for "Ion exchange membrane composition and methods for the concentration of perfluoroalkyl substances" (Massachusetts Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,172, issued on Sept. 29, was assigned to Evoqua Water Technologies LLC (Pittsburgh).

"Ion exchange membrane composition and methods for the concentration of perfluoroalkyl substances" was invented by Simon P. Dukes (Chelmsford, Mass.), George Gu (Andover, Mass.), Savvas Hadjikyriacou (Tyngsboro, Mass.) and Yang Chen (Lowell, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of treating a waste stream containing perfluoroalkyl substances (PFAS) are disclosed. The methods include directing the waste stream to a dilution compartment of an electrochemical separation device, directing a treatment stream to a concentration compartment of the e...