US Patent Issued to GUIZHOU UNIVERSITY on March 3 for "Integrated dual circulation oxidization ditch apparatus for municipal wastewater and treatment method" (Chinese Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,435, issued on March 3, was assigned to GUIZHOU UNIVERSITY (Guizhou, China).

"Integrated dual circulation oxidization ditch apparatus for municipal wastewater and treatment method" was invented by Shaoqi Zhou (Guizhou, China), Yanwu Zhou (Guizhou, China), Feng Chen (Guizhou, China), Juan Zhou (Guizhou, China) and Dan Chen (Guizhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are an integrated dual circulation oxidization ditch apparatus for municipal wastewater and a treatment method. The apparatus comprises an anaerobic zone, an anoxic zone, an aerobic zone and a secondary sedimentation tank communicated in sequence. The anoxic z...