Simultaneous Reduction of No_x, N_2O, SO_2 Emissions from a Fluidized Bed Coal Combustor Using Alternative Bed Material
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概要
- 論文の詳細を見る
A kind of porous alumina was employed as bed material of bubbling fluidized bed coal combustion instead of non-porous silica sand. The effect of the bed material on emissions of N2O and NOx was evaluated using a bench-scale combustor. The present porous alumina suppressed N2O emission. This result is explained by the catalytic activity of porous alumina to decompose N2O. In addition, NOx emission with porous bed material was nearly the same as or lower than that for the sand bed. Thus the decrease in N2O without increasing NOx was attained.A modification of desulfurization by limestone was proposed. Fine limestone particles were employed as sorbent in order to conduct SO2 capture in the freeboard. By employing fine particles, the contact between volatile matter and limestone, which is known to increase the emission of NOx, was avoided. Thus the increase in NOx emission during limestone feed was avoided.
- 社団法人 化学工学会の論文
- 2003-07-01
著者
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Shinkai Masayuki
Department Of Chemistry And Chemical Engineering Niigata University
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SHIMIZU TADAAKI
Department of Chemistry and Chemical Engineering, Niigata University
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ASAZUMA JUN
Department of Chemistry and Chemical Engineering, Niigata University
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MATSUNAGA SAYAKO
Department of Chemistry and Chemical Engineering, Niigata University
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YAMAGIWA KAZUAKI
Department of Chemistry and Chemical Engineering, Niigata University
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FUJIWARA NAOKI
Idemitsu Kosan Co. Ltd.
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Matsunaga Sayako
Department Of Chemistry And Chemical Engineering Niigata University
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Yamagiwa Kazuaki
Department Of Chemistry And Chemical Engineering Niigata University
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Yamagiwa Kazuaki
Department Of Chemical Engineering Faculty Of Engineering Niigata University
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Asazuma Jun
Department Of Chemistry And Chemical Engineering Niigata University
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Shimizu Tadaaki
Department Of Chemistry And Chemical Engineering Niigata University
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Shimizu Tadaaki
Department Of Chemisrty And Chemical Engineering Niigata University
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Fujiwara N
Idemitsu Kosan Co. Ltd.
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