1.

A fermentation system has a KLa of 3 s­¹ and a C0* of 5 ppm of O₂. If the bulk liquid is completely depleted of oxygen, then the oxygen transfer rate will be equal to

A. zero
B. 15 mg.l­¹.s­¹
C. 10 mg.l­¹.s­¹
D. 5 mg.l­¹.s­¹
Answer» C. 10 mg.l­¹.s­¹


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