EFFECT OF PACKED BED ON MASS TRANSFER IN EXTERNAL-LOOP AIRLIFT BUBBLE COLUMN
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概要
- 論文の詳細を見る
The influence of packed bed set in the riser section on the liquid-side volumetric mass transfer coefficient (KLaR) in an external-loop airlift bubble column was examined with water, 20 wt% glycerol, 10 wt% ethanol and 0.3 wt% CMC aqueous solutions. The KLaR was determined by the measurement of time-dependent oxygen concentration dissolved in the liquids. Bubble size, bubble rise velocity and gas holdup in the riser were measured to examine the effect of the packed bed using an optical fiber two-phase flow system. The presence of the packed bed in the riser increased the KLaR values for the liquids used. This was associated with the increase in the specific gas-liquid interfacial area due to bubble breakage by the packed bed. In addition, a correlation equation for KLaR was proposed for both types of airlift bubble columns with and without the packed bed.
- 社団法人 化学工学会の論文
- 1996-08-30
著者
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Okada Kenji
Department Of Cardiovascular Surgery Hiroshima University Hospital
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Nagata Yoshiko
Department Of Applied Chemistry Okayama University Of Science
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AKAGI Yasuharu
Department of Applied Chemistry, Okayama University of Science
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Akagi Yasuharu
Department Of Applied Chemistry Faculty Of Engineering Okayama University Of Science
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Okada Kenji
Department Of Applied Chemistry Okayama University Of Science
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Okada Kenji
Department Of Chemical Technology Kurashiki University Of Science And The Arts
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