Method and apparatus for operating a fuel flexible furnace to reduce pollutants in emissions
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United States of America Patent
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Sep 13, 2011
Grant Date -
Mar 26, 2009
app pub date -
Dec 5, 2007
filing date -
Sep 24, 2007
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Abstract
A fuel flexible furnace, including a main combustion zone, a reburn zone downstream from the main combustion zone, and a delivery system operably coupled to supplies of biomass and coal and configured to deliver the biomass and the coal as ingredients of first and reburn fuels to the main combustion zone and the reburn zone, with each fuel including flexible quantities of the biomass and/or the coal. The flexible quantities are variable with the furnace in an operating condition.
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