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기포탑내에서 부유물 첨가에 의한 기체체류량과 물질전달계수에 관한 연구
최일곤,한승완,하종열,김상렬 東亞大學校 大學院 1994 大學院論文集 Vol.19 No.-
Gas holdup and volumeteric liquid phase mass transfer coefficient in a bubble column with granular activated carbon were measured according to partcle size and concentration of granular activated carbon and gas velocity. The results of the experiments were as follows ; 1. Gas holdup and volumetric liquid phase mass transfer coefficient increase with increasing the gas velocity. 2. Gas holdup has no effect on concentration of granular activated carbon, but volumetric liquid phase mass transfer coefficient decrease with increasing the concentration. 3. Gas holdup increase with being enlarged particle size of granular activated carbon, but volumetric liquid phase mass transfer cofficient decrease. 4. Correlations among various parameters having an influence on Gas holdup and volumetric liquid phase mass transfer coeffient were expressed by Eq.(9) and Eq.(10) respectively.
한승환,김상렬,최재욱,최일곤 東亞大學校 1991 東亞論叢 Vol.28 No.1
The effect of draught tube dimension, properties of CMC aqueous solution and gas velocity on the gas holdup, ??, and the volumetric liquidphase masstransfer coefficient, ??, in a bubble column with draught tube were measured in highly viscous-pseudo plastic carboxymethylcellulose aqueous solution. The results were as follows : 1. ?? and ?? increase with increasing gas velocity and decrease with increasing concentration of CMC aqueous solution. 2. ?? and ?? increase with being enlarged diameter ratio of draught tube but specially ?? decreases to some degree in the CMC concentration of 0.05∼0.7wt%. 3. Correlations among various parameters having an influence on ?? and ?? were expressed by Eq. (16) and Eq. (17), respectively. ??
이중관 기포탑에서 점성수용액의 기-액간 물질전달에 관한 연구
최일곤,김상렬 동아대학교 공과대학 부설 한국자원개발연구소 1995 硏究報告 Vol.19 No.2
The gas holdup and volumeteric liquid phase mass transfer coefficient with the variation of the concentration of CMC aqueous solution, gas velocity, diameter ratio of the draught tube were investigated. As the results of the experiments, the gas holdup and volumetric liquid phase mass transfer coefficient decreased with increasing the concentration of CMC aqueous solution, increased with increasing the gas holdup and decreased with increasing the gas velocity the volumeteric liquid phase mass transfer coefficient the diameter ratio of the draught tube, correlations amang various parameters having an influence on gas holdup and volumeteric liquid phase mass transfer coefficient.