醗酵タンクのスケールアップに関する研究 : (第1報) 攪拌所要動力

概要

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Studies on the scale-up of fermenters based on power requirements were carried out, and the following results were obtained. (1) Power numbers of fermenters corresponded to those of a small vessel with geometrically similar impellers. (2) Although the experimental correlation between power requirements with (P_0) and without (P_0) aeration was expressed by Michel's equation at a constant pressure, the coefficient value varied at different pressures (p), and the equation was modified as follows : [numerical formula] (3) The relation between P_0/P_0 and the aeration number was examined, but no general correlation among fermenters was obtained. (4) The effect of pressure on gas hold up was studied in 30 liter fermenter, and the following equation was obtained. [numerical formula]
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