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A small-scale stirred fermenter is to be scaled up from 20L to 2000L. The dimensions of the small fermenter are tank diameter, D0=0.15m; impeller diameter,

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A small-scale stirred fermenter is to be scaled up from 20L to 2000L. The dimensions of the small fermenter are tank diameter, D0=0.15m; impeller diameter, Di=0.045m; agitator speed, N=300rpm. 4.1 Assuming geometric similarity, calculate the dimensions of the larger fermenter. (6) 4.2 Calculate the agitator speed of the larger fermenter using: a. Constant tip speed b. Constant Re number (3)

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