A case study of fluidized-bed combustion of wood/coal mixtures. Part A. The effect of wood particle size

Cofiring wood with coal provides many advantages compared to burning each fuel individually. The effects of cofiring these fuels has not been adequately studied. In the present study, debarked silver maple wood was supplied from a short-rotation biomass farm. This fuel was burned simultaneously with...

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Bibliographic Details
Published in:Forest products journal 1998-03, Vol.48 (3), p.46-49
Main Authors: HELMER, W. A, STOKKE, D. D, JIAN SUN
Format: Article
Language:English
Subjects:
Advantages
Air flow
Applied sciences
Boilers
Coal
Combustion of solid fuels
Combustion. Flame
Emissions
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fluidized bed combustion
Forest products industry
Particle size
Silver
Stainless steel
Studies
Sulfur content
Theoretical studies. Data and constants. Metering
Velocity
Wood
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Summary:Cofiring wood with coal provides many advantages compared to burning each fuel individually. The effects of cofiring these fuels has not been adequately studied. In the present study, debarked silver maple wood was supplied from a short-rotation biomass farm. This fuel was burned simultaneously with high sulfur (3%) Illinois bituminous coal in a small-diameter fluidized bed combustor. Emissions of SO2 were reduced slightly as the percentage of wood in the mixture was increased. Wood particles size differences has little effect on emission of oxides of nitrogen. Combustion temperature and excess air level are probably more crucial combustion parameters with respect to SO2 and NOx emissions generated.
ISSN:0015-7473
2376-9637