ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,714,969, issued on Aug. 25, was assigned to CHONGQING GREENING ENVIRONMENTAL PROTECTION Co. LTD (Chongqing, China).

"Flue gas purification system for hazardous waste incineration and purification method" was invented by Wei Ji (Chongqing, China), Xiaodun Niu (Chongqing, China), Qiujun Shi (Chongqing, China), Youxiong He (Chongqing, China), Cong Zhao (Chongqing, China), Weiwen Gu (Chongqing, China) and Ye Yuan (Chongqing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flue gas purification system for hazardous waste incineration and a purification method are provided. The flue gas purification system includes a cooling deacidification coupling de...