ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,521, issued on Jan. 13, was assigned to Haley & Aldrich Inc. (Burlington, Mass.).

"Systems and methods for degrading per- and poly-fluoroalkyl substances" was invented by Zhong Xiong (Irvine, Calif.), Min Ying Chu (Mesa, Ariz.) and Darrin Costantini (Rochester, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides systems and methods for degrading per- and poly-fluoroalkyl substances (PFAS) using hydrated electrons generated in an ultraviolet (UV)/sulfite system. These systems and methods may be used, e.g., to remediate wastewater by destroying PFAS and co-contaminants such as chlorinated volatile organic compounds (CVO...