ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,842, issued on May 20, was assigned to TONGJI UNIVERSITY (Shanghai).
"Method for recovering phosphorus from sludge rich in chemical phosphorus precipitates using high-protein biomass waste" was invented by Yongmei Li (Shanghai), Zhipeng Zhang (Shanghai), Qian Ping (Shanghai), Wenjie Guo (Shanghai) and Lin Wang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a method for recovering phosphorus from sludge rich in chemical phosphorus precipitates using a high-protein biomass waste, comprising introducing the sludge rich in chemical phosphorus precipitates into an anaerobic fermenter, adding a certain amount of a high-protein bioma...