Calcination of Fine Limestone Particles by a Powder-Particle Fluidized Bed
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概要
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A Powder-Particle Fluidized Bed (PPFB) is applied to the calcination of small limestone particles 2–64 μm in mean diameter. The effects of reaction temperature, size of limestone particles, superficial gas velocity, static bed height of medium particles, and inlet CO2 concentration upon the calcination conversion are investigated.Under conditions where the average residence time of gas in the bed is 0.4 s, more than 95% calcination is achieved in the case of 5 μm limestone at temperatures higher than 1173 K. The dependence of calcination conversion on 20 vol% CO2 in fluidizing gas becomes small at temperatures higher than 1123 K.
- 社団法人 化学工学会の論文
著者
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KATO Kunio
Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University
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TASHIMO Tsutomu
Department of Biological and Chemical Engineering, Gunma University
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MUROTA Jun
Department of Biological and Chemical Engineering, Gunma University
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SUTO Tomohiko
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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Tashimo Tsutomu
Department Of Biological And Chemical Engineering Gunma University
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Suto Tomohiko
Department Of Biological And Chemical Engineering Gunma University
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Murota Jun
Department Of Biological And Chemical Engineering Gunma University
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