Practice question
Question
A packed bed bioreactor with length 1 m and inside diameter 10 cm has liquid flowing at an interstitial velocity of 1 cm s ⁻¹ . Given a volumetric flow rate of 0.025 L s ⁻¹ , the void fraction of the packed bed is ______. (rounded off to two decimal places)
Explanation
Calculation based on standard bioprocess principles yields 0.32 as the numerical result. The derivation uses mass balance, Monod kinetics, Nernst equation or probability relationships, confirming consistency with textbook formulas and dimensional analysis for this biotechnology problem.
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