ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,284, issued on May 13, was assigned to TONGJI UNIVERSITY (Shanghai).

"Alternating cascaded system for high-salinity wastewater treatment" was invented by Yalei Zhang (Shanghai), Xuefei Zhou (Shanghai), Lei Wang (Shanghai), Yinchuan Yang (Shanghai), Jiabin Chen (Shanghai) and Xinmiao Zhang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An alternating cascaded system for high-salinity wastewater treatment includes a pollutant removal system and an alternating cascaded water conveyance system embedded in the pollutant removal system. The pollutant removal system includes four partition plates, a pollutant removal zone and a discharge sump; an...