SYSTEM AND METHOD FOR IMPROVING THE PERFORMANCE OF A SELECTIVE CATALYST REDUCTION SYSTEM IN A HEAT RECOVERY STEAM GENERATOR

A heat recovery steam generator (10) includes a gas inlet (12) for receiving a flow of exhaust gas (14) from a gas turbine (18), a gas outlet (34) opposite the gas inlet (12) and configured to transport the flow of exhaust gas (14) to atmosphere, and a sorbent injection device (58) intermediate the...

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Bibliographische Detailangaben
Hauptverfasser:	BERNERO, Stefano, NILSSON, John Martin
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES FLUES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A heat recovery steam generator (10) includes a gas inlet (12) for receiving a flow of exhaust gas (14) from a gas turbine (18), a gas outlet (34) opposite the gas inlet (12) and configured to transport the flow of exhaust gas (14) to atmosphere, and a sorbent injection device (58) intermediate the gas inlet (12) and the gas outlet (34), the sorbent injection device (58) including at least one injection port (54) configured to inject a sorbent (66) into the flow of exhaust gas (14). The sorbent (66) is configured to react with an acid gas within the flow of exhaust gas (14) to neutralize the acid gas and inhibit the formation of salt deposits.