Method of reducing Nox compounds in flue gases of recovery boiler
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United States of America Patent
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Feb 11, 2003
Grant Date -
N/A
app pub date -
Sep 18, 2000
filing date -
Mar 19, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of reducing NO.sub.X compounds in the odor gases of a recovery boiler. In the method, ammonia in the odor gases is separated before the odor gases are combusted, the ammonia being then introduced into a recovery boiler at the pulp mill or in a separate catalyzer, where the ammonia reacts with nitrogen oxide forming water and molecular nitrogen.
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