US Patent Issued to Chevron U.S.A. on July 28 for "Methods and systems for utilizing carbon dioxide in flue gas" (California Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,443, issued on July 28, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).

"Methods and systems for utilizing carbon dioxide in flue gas" was invented by Lin Li (San Ramon, Calif.) and Tengfei Liu (Fairfield, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes combusting a fuel stream in a combustion unit in the presence of a first oxygen enriched carbon dioxide stream received from an anode of an electrolyzer to generate a hot flue gas stream comprising carbon dioxide, steam, unconsumed oxygen, NOx and SOx, cooling the hot flue gas stream in a heat exchanger by supplying a water stream to the heat exchanger as a heat trans...