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Oxy-fuel combustion with integrated pollution control

United States Patent

January 3, 2012
View the Complete Patent at the US Patent & Trademark Office
An oxygen fueled integrated pollutant removal and combustion system includes a combustion system and an integrated pollutant removal system. The combustion system includes a furnace having at least one burner that is configured to substantially prevent the introduction of air. An oxygen supply supplies oxygen at a predetermine purity greater than 21 percent and a carbon based fuel supply supplies a carbon based fuel. Oxygen and fuel are fed into the furnace in controlled proportion to each other and combustion is controlled to produce a flame temperature in excess of 3000 degrees F. and a flue gas stream containing CO2 and other gases. The flue gas stream is substantially void of non-fuel borne nitrogen containing combustion produced gaseous compounds. The integrated pollutant removal system includes at least one direct contact heat exchanger for bringing the flue gas into intimated contact with a cooling liquid to produce a pollutant-laden liquid stream and a stripped flue gas stream and at least one compressor for receiving and compressing the stripped flue gas stream.
Patrick; Brian R. (Chicago, IL), Ochs; Thomas Lilburn (Albany, OR), Summers; Cathy Ann (Albany, OR), Oryshchyn; Danylo B. (Philomath, OR), Turner; Paul Chandler (Independence, OR)
Jupiter Oxygen Corporation (Schiller Park, IL)
11/ 306,437
December 28, 2005
CONTRACTUAL ORIGIN OF THE INVENTION The United States Government has rights in this invention pursuant to employer/employee agreement between the U.S. Department of Energy (DOE) and some of the inventors and through license agreements with the assignee of the invention.