Enhancement of Gas Holdup and Oxygen Transfer in Three-Phase Circulating Fluidized-Bed Bioreactors with Swirling Flow
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概要
- 論文の詳細を見る
Enhancement of gas holdup and oxygen transfer was investigated in the riser of a three-phase circulating fluidized bed, with a diameter of 0.102 m (ID) and a height of 3.5 m, by means of liquid swirling flow. Effects of gas (0.01–0.07 m/s) and liquid (0.17–0.44 m/s) velocities, fluidized solid particle size (1.0, 1.7, 2.1, 3.0 mm), solid circulation rate (2–8 kg/(m2 s)) and swirling liquid ratio (0–0.5) on the gas holdup and volumetric oxygen transfer coefficient in the riser were examined. The gas holdup and oxygen transfer coefficient could be increased up to 25–30% and 20–25% respectively, by means of liquid swirling flow in the riser. The values of gas holdup and volumetric oxygen transfer coefficients were well correlated in terms of dimensionless groups as well as operation variables within these experimental conditions.
- The Society of Chemical Engineers, Japanの論文
著者
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Son Sung
School Of Chemical Engineering Chungnam National University
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Shin Ik
School Of Chemical Engineering Chungnam National University
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Kim Uk
School Of Chemical Engineering Chungnam National University
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Son Sung
School of Chemical Engineering, Chungnam National University
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KIM Sang
Department of Anesthesiology and Pain Medicine, Chosun University Medical School
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KIM Sang
Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology
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KIM Uk
School of Chemical Engineering, Chungnam National University
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Kang Yong
School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 440-746, Korea
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SHIN Ik
School of Chemical Engineering, Chungnam National University
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Jung Heon
Synfuel Research Group, KIER
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