ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,372, issued on April 29, was assigned to SAMSUNG E&A Co. LTD. (Seoul, South Korea).
"Method and apparatus for treating wastewater" was invented by Seung Joon Chung (Suwon, South Korea) and Han Uk Lee (Suwon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a method and apparatus for treating wastewater. The disclosed method for treating wastewater includes a step (S10-1) of passing wastewater through a UV reaction tank to produce first treated water; a step (S10-2) of passing the first treated water through a pH adjustment tank to produce second treated water; a step (S10-3) of passing the second treated water through a first ...