ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,381, issued on Dec. 30, was assigned to THE TRUSTEES OF PRINCETON UNIVERSITY (Princeton, N.J.).

"Oxidant enhanced Feammox activity" was invented by Peter R. Jaffe (Princeton, N.J.) and Shan Huang (Princeton, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect, oxidant is employed for enhancing Feammox activity. Briefly, a medium comprises an ammonium containing contaminant, an iron component, an oxidant, and a Feammox bacterium and/or enzyme thereof capable of oxidizing ammonium with reduction of Fe(II) to Fe(III), wherein the oxidant regenerates Fe(III) via Fe(II) oxidation. In some embodiments, the medium is soil and/or water."

The ...