EFFECTS OF ALCOHOLS ON GAS HOLDUP AND VOLUMETRIC LIQUID-PHASE MASS TRANSFER COEFFICIENT IN GEL-PARTICLE-SUSPENDED BUBBLE COLUMN
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概要
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The effects of alcohols, column dimensions, gas velocity, physical properties of liquids, and gel particles on the gas holdup εG and the volumetric liquid-phase mass transfer coefficient kLa in a gel-particle-suspended bubble column under liquid-solid batch operation were studied experimentally. It was shown that addition of alcohols to water generally increases εG. However, kLa values in aqueous solutions of alcohols became larger or smaller than those in water, according to the kind and concentration of the alcohol added to water. It was also shown that the presence of suspended gel-particles in the bubble column reduces values of εG and kLa. Based on these observations, empirical equations for εG in the transition regime in an ethanol solution, for εG in the heterogeneous flow regime applicable to various alcohol solutions and for kLa in both flow regimes were proposed.
- 社団法人 化学工学会の論文
著者
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OHTAGUCHI Kazuhisa
Department of Chemical Engineering, Tokyo Institute of Technology
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Murayama Mitsuhiro
Department Of Chemical Engineering Tokyo Institute Of Technology
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Murayama Mitsuhiro
Department Of Aeronautics And Space Engineering Tohoku University
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Koide Kozo
Department Fo Chemical Engineering Tokyo Institute Of Technology
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JONATHAN L.
Department of Chemical Engineering Tokyo Institute of Technology
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Ohtaguchi K
Tokyo Inst. Technol. Tokyo Jpn
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Ohtaguchi Kazuhisa
Department Fo Chemical Engineering Tokyo Institute Of Technology
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