Stack gas decontamination system
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United States of America Patent
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Issued Date -
Jun 28, 2007
app pub date -
Sep 3, 2004
filing date -
Sep 4, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system, including apparatuses and methods, for removing sulfur dioxide (SO.sub.2) and nitrogen oxides (NO.sub.x) present in a stream of gases via a dual-stage irradiation process employing a pulsed electron accelerator in the first stage to remove a substantial majority of the sulfur dioxide (SO.sub.2) from the stream of gases before removing a substantial majority of nitrogen oxides (NO.sub.x) from the stream of gases in the second stage. In an exemplary embodiment, the system comprises a stack gas decontamination system having a reactor with a first portion in which a pulsed electron accelerator initiates a first series of ionmolecular reactions in an ammonia-rich environment to convert the sulfur dioxide (SO.sub.2) into sulfuric acid salts and a second portion in which at least one direct current electron accelerators initiates a second series of ion-molecular reactions in an ammonia-rich environment to convert the nitrogen oxides (NO.sub.x) into nitric acid salts.
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