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You are operating the fed - batch reactor for In Class 8 to create a starter culture to manufacture Swiss cheese using Lactobacillus casi. Your

You are operating the fed-batch reactor for In Class 8 to create a starter culture to manufacture Swiss cheese using Lactobacillus casi. Your client is becoming impatient; they want more cheese, now! You decide to shift to exponential feed.
Using the same growth parameters as In Class 8: YX/S =0.23 g X (g S)-1, KS =0.15 g/L,\mu max =0.7 h-1, kd =0.03 h-1:
If the initial culture volume was 1000 L*, what is the volume after 2.6 hours, in L, if you choose an exponent (power) equal to the maximum growth rate? Assume that you start from the original feed flow of 4000 L/h and are under isothermal conditions. Under the same conditions, what is the specific growth rate after 3.9 hours?What is the cell doubling time after 2.6 hours in hours?

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