US Patent Issued to HANGZHOU OXYGEN PLANT GROUP on April 14 for "Device and method for recovering carbon dioxide and nitrogen from flue gas" (Chinese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,540, issued on April 14, was assigned to HANGZHOU OXYGEN PLANT GROUP Co. LTD. (Hangzhou City, China).

"Device and method for recovering carbon dioxide and nitrogen from flue gas" was invented by Yisong Han (Hangzhou City, China), Fang Tan (Hangzhou City, China), Yunyun Jiang (Hangzhou City, China), Lei Yao (Hangzhou City, China), Yi Gao (Hangzhou City, China), Xudong Peng (Hangzhou City, China) and Liangying Li (Hangzhou City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for recovering carbon dioxide and nitrogen from flue gas includes a pretreatment system, a CO2 and N2 separation system, a N2 purification and liquefaction system,...