US Patent Issued to Shanghai Yingshan Environmental Protection Technology on Dec. 30 for "Chemical sewage treatment and reuse system" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,377, issued on Dec. 30, was assigned to Shanghai Yingshan Environmental Protection Technology Co. Ltd. (Shanghai).

"Chemical sewage treatment and reuse system" was invented by Ming-Hui Chiang (Shanghai) and Ying-Hsuan Chiang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a chemical wastewater treatment and reuse system, which corresponds to a raw water tank and includes a regulation tank pretreatment system, an A/A/O biological treatment system, an MBR treatment system and an electrical control system. The regulation tank pretreatment system includes a grating tank, a primary sedimentation tank and a regulation tank that seque...