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Integrated capture of fossil fuel gas pollutants including CO.sub.2 with energy recovery

United States Patent

October 18, 2011
View the Complete Patent at the US Patent & Trademark Office
A method of reducing pollutants exhausted into the atmosphere from the combustion of fossil fuels. The disclosed process removes nitrogen from air for combustion, separates the solid combustion products from the gases and vapors and can capture the entire vapor/gas stream for sequestration leaving near-zero emissions. The invention produces up to three captured material streams. The first stream is contaminant-laden water containing SO.sub.x, residual NO.sub.x particulates and particulate-bound Hg and other trace contaminants. The second stream can be a low-volume flue gas stream containing N.sub.2 and O.sub.2 if CO2 purification is needed. The final product stream is a mixture comprising predominantly CO.sub.2 with smaller amounts of H.sub.2O, Ar, N.sub.2, O.sub.2, SO.sub.X, NO.sub.X, Hg, and other trace gases.
Ochs; Thomas L. (Albany, OR), Summers; Cathy A. (Albany, OR), Gerdemann; Steve (Albany, OR), Oryshchyn; Danylo B. (Philomath, OR), Turner; Paul (Independence, OR), Patrick; Brian R. (Chicago, IL)
Jupiter Oxygen Corporation (Schiller Park, IL)
11/ 753,393
May 24, 2007
The United States Government has rights in this invention pursuant to employer/employee agreements between the U.S. Department of Energy (DOE) and some of the inventors and through license agreements with the assignee of the invention.