ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,843, issued on May 20, was assigned to UNIVERSITY OF MARYLAND, BALTIMORE COUNTY (Baltimore).
"Phosphorous extraction and recovery system" was invented by Lee Blaney (Baltimore), Utsav Shashvatt (Baltimore) and Charles Portner (Baltimore).
According to the abstract* released by the U.S. Patent & Trademark Office: "Separation methods and systems for converting high concentrations of animal wastes and other nutrient-rich organic materials into nutrients and other useful products such as struvite and potassium struvite. Advantageously, the system and methods do not require the addition of external chemicals other than an acid and a base."
The patent was filed on April 4, 2022, under...