FLUE GAS CLEAN UP METHODS
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United States of America Patent
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Issued Date -
Oct 6, 2011
app pub date -
Mar 31, 2010
filing date -
Mar 31, 2010
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Abandoned
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Abstract
The present invention relates to a method for potassium or nitrogen based fertilizer production from the byproducts of flue gas processing. Further, the present invention relates to a method for isolating fertilizer precursors from a stream of flue gas. The method including a dry sorbent operation, wet scrubbing operation and an oxidization step to remove air pollutants, a carbon dioxide capture step and a sodium bicarbonate precipitation step. The steps involved in the removal of air pollutants are used to isolate precursors for the production of fertilizer. Additionally, the present invention relates to a method for the removal of carbon dioxide from a flue gas stream.
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