Process for Nox control
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United States of America Patent
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Feb 21, 1989
Grant Date -
N/A
app pub date -
Apr 21, 1988
filing date -
Apr 21, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process is described for reducing the levels of nitrogen oxides present in flue gases from stationary sources. The process consists of mixing ammonia or methane with the flue gas and then passing the mixtures through a bed of expanded vermiculite, the latter serving as a catalyst for reactions between the nitorgen oxides and ammonia or methane. The reactions result in the formation of nitrogen and water and/or carbon dioxide.
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