ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,589, issued on Aug. 19, was assigned to SCFI Ltd. (Cork, Ireland).
"Treatment process for waste streams" was invented by John O'Regan (Waterfall, Ireland) and David McGarry (Cork, Ireland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A spent caustic treatment process addresses the shortcomings with traditional Wet Air Oxidation Systems. The process can treat either refinery or sulphidic spent caustic streams with CODs of up to 50,000 mg/L. The process uses less than90% oxygen as an oxidising agent. A horizontal, tubular reactor is operated at pressures between 100 and 170 Bar (ideally 145-165 Bar). The reactor has an operating temperature of betwee...