Abatement of nitric oxide emission in fluidized bed combustion of coal.
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概要
- 論文の詳細を見る
Continuous combustion of coal and char particles was carried out in an experimental fluidized bed of inert particles. The experimental results indicated that the fuel nitrogen dominated the total "NO" emission. The radical reduction of "NO" emission with decreased air feed ratio below 1.0 was observed only in the case of char combustion, while the NH3 emission remained at a certain low level. The significant reductions of "NO" and NH3 emissions found in the combustion of char with reducing atmosphere suggest strongly that "NO" emission may be considerably reduced by employing staged fluidized bed combustion of char. The mechanism of this radical reduction of NO emission was studied by taking account of the steady state concentration of carbon in fluidized bed. Preliminary experiments of staged combustion were carried out, and the results obtained indicated that staged combustion of carbonized char is an effective combustion modification for the abatement of "NO" emission.
- 公益社団法人 化学工学会の論文
著者
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Furusawa Takehiko
Department Of Cardiovascular Surgery Shishu University Of Medicine
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KUNII DAIZO
Department of Chemical Engineering, University of Tokyo
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HONDA TETSUZO
Department of Chemical Engineering, University of Tokyo
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TAKANO JUNICH
Department of Chemical Engineering, University of Tokyo
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