ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,496, issued on July 8, was assigned to The Governors of the University of Alberta (Edmonton, Canada).

"Microbial assisted phosphorous recovery under anaerobic condition" was invented by Yang Liu (Edmonton, Canada) and Lei Zhang (Edmonton, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for treatment of wastewater, in which the system includes a blackwater reactor configured to receive a stream of blackwater influent, to contain the blackwater therein during treatment of the blackwater, to facilitate recovery of methane and nutrient precipitates therefrom, and to output partially treated blackwater, and a greywater reactor co...