Effect of particle size on elutriation rate constant for a fluidized bed.
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概要
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The elutriation rate constant for the gas-solid fluidized bed with and without vertical multi-tube internals was determined by a continuous steady-state operation. Silica sand, FCC, and glass beads of a wide size distribution were used. For fine particles belonging to group A of Geldart''s classification, the elutriation rate was not affected by bed internals. For coarse particles, however, the rate was affected by the internals. The elutriation rate constant for the fluidized bed with multitube internals was affected by the gas velocity, terminal velocity of particles, hydraulic diameter of bed and minimum fluidization velocity. Empirical equations for the elutriation rate constant are presented.
- 公益社団法人 化学工学会の論文
著者
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Ozawa Kenji
Department Of Bioscience And Chemistry Faculty Of Agriculture Hokkaido University
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Takarada Takayuki
Department Of Biological And Chemical Engineering Gunma University
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Kato Kunio
Department Of Applied Quantum Physics And Nuclear Engineering Kyushu University
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Shibasaki Hideki
Department of Chemical Engineering, Gunma University
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SHIBASAKI HIDEKI
Department of Chemical Engneering, Gunma University
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OZAWA KENJI
Department of Chemical Engneering, Gunma University
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KANBARA SINJI
Department of Chemical Engneering, Gunma University
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TAJIMA TORU
Department of Chemical Engneering, Gunma University
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