INJECTOR AND METHOD FOR REDUCING NOX EMISSIONS FROM BOILERS, IC ENGINES AND COMBUSTION PROCESSES
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United States of America Patent
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Issued Date -
Jun 20, 2013
app pub date -
Feb 14, 2013
filing date -
Dec 7, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system and method of reducing NOx emissions from a lean burn combustion source is provided. The system includes at least one injection lance having a elongated shaft with distal and proximal ends, a metering valve positioned at the distal end, an atomization chamber positioned between the metering valve and the distal end, a storage chamber for containing a reagent fluidly connected to the metering valve, an injection tip positioned at the proximal end for delivering the reagent, and at least one air port for supplying air to the atomization chamber. The injection lance is positioned in the combustion source, and the reagent is supplied from the storage chamber to the injection lance at an inlet pressure. The reagent is then injected into the combustion source via the injection lance, wherein a temperature of the reagent prior to the injection is maintained below a hydrolysis temperature of the reagent.
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