ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,167, issued on Feb. 25, was assigned to TONGJI UNIVERSITY (Shanghai).
"Mechano-chemical wastewater treatment equipment" was invented by Weixian Zhang (Shanghai), Yuxiang Shi (Shanghai) and Shaolin Li (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Mechano-chemical wastewater treatment equipment to treat wastewater containing heavy metals to form drainage. An intermediate sewage tank has a sewage inlet and a sewage outlet, and stores wastewater to be treated and sewage formed during the treatment process. At least one mechano-chemical reactor conducts the mechano-chemical reaction between the wastewater and zero-valent iron nanoparticles thr...