SIMULTANEOUS TREATMENT OF FLUE GAS WITH SOx ABSORBENT REAGENT AND NOx REDUCING AGENT
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United States of America Patent
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Jun 19, 2014
app pub date -
May 9, 2012
filing date -
May 10, 2011
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Abstract
A system and method for treating flue gas that results from a combustion process is described. The method and system includes injecting an SOx absorbent reagent into the flue gas pathway at a point upstream of a selective catalytic reduction (SCR) reactor exit and downstream of a boiler exit. The method and system may also include injecting a NOx reducing agent simultaneously with the SOx absorbent reagent, either via the same injection system or via a second injection system located nearby the SOx absorbent reagent injection system. Injection of the SOx at a point upstream of the SCR reactor exit simplifies the injection systems, gas distribution systems, and physical and/or computational fluid dynamics modeling.
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