Methods for the treatment of a flue gas stream using catalytically-enhanced sorbent compositions
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United States of America Patent
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Sep 22, 2020
Grant Date -
Feb 1, 2018
app pub date -
Oct 10, 2017
filing date -
May 30, 2014
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Abstract
A sorbent composition that is useful for injection into a flue gas stream of a coal burning furnace to efficiently remove mercury from the flue gas stream. The sorbent composition may include a sorbent with an associated ancillary catalyst component that is a catalytic metal, a precursor to a catalytic metal, a catalytic metal compound or a precursor to a catalytic metal compound. Alternatively, a catalytic metal or metal compound, or their precursors, may be admixed with the coal feedstock prior to or during combustion in the furnace, or may be independently injected into a flue gas stream. A catalytic promoter may also be used to enhance the performance of the catalytic metal or metal compound.
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