US Patent Issued on Aug. 25 for "Method for realizing advanced nitrogen removal of domestic sewage via two stage partial nitrification-anammox coupled with sulfur autotrophic denitrification" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,800, issued on Aug. 25.

"Method for realizing advanced nitrogen removal of domestic sewage via two stage partial nitrification-anammox coupled with sulfur autotrophic denitrification" was invented by Yongzhen Peng (Beijing), Yueru Zhao (Beijing), Qiong Zhang (Beijing) and Xiyao Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A biological treatment of sewage device and method for realizing advanced nitrogen removal of domestic sewage by half partical nitrification-anammox coupled with sulfur autotrophic denitrification. The device includes a raw water tank, a half partical nitrification reactor, a regulating water tank and an anammox coupl...