Method for removing sulfur dioxide and other acid gases, mercury, and nitrogen oxides from a gas stream with the optional production of ammonia based fertilizers
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United States of America Patent
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Issued Date -
Jul 5, 2007
app pub date -
Jan 5, 2006
filing date -
Jan 5, 2006
priority date (Note) -
Abandoned
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Abstract
Methods for scrubbing gas streams to remove acid gases including sulfur dioxide, mercury-containing substances, and/or nitrogen oxides from the gas stream. The gas stream is contacted with an ammonium-based sorbent effective for removing at least a portion of the acid gases. The partially cleaned gas stream is then contacted with an oxidant effective to remove at least a portion of the nitrogen oxides and/or mercury-containing substances after partially removing the acid gas substance while producing ammonia based fertilizers.
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