Reducing pollutant emissions from a spreader-stoker-fired furnace by stoichiometric control
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United States of America Patent
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Jun 3, 1986
Grant Date -
N/A
app pub date -
Oct 18, 1983
filing date -
Oct 18, 1983
priority date (Note) -
Expired
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Abstract
Methods and apparatus for reducing pollutant emissions, and in particular, for reducing NO.sub.x and particulate emissions, from spreader-stoker-fired furnaces. A combustible material is introduced into the spreader-stoker-fired furnace and combusted while the stoichiometric ratio of oxygen to combustible material in different regions of the furnace is carefully controlled. Control of the stoichiometric ratio is accomplished by controlling the amount of air injected into different regions of the furnace and by controlling the amount of smaller particles of combustible material or fines introduced into the furnace.
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