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Biochemical Engineering - Agitation and Aeration - Discussion

Discussion Forum : Agitation and Aeration - Section 3 (Q.No. 8)
Agitation and Aeration
8.
Oxygen transfer rate is increased with an increase in the stirrer speed in aerated bioreactor because
it decrease the bubble size
it decreases the size of the boundary layer surrounding a bubble
it increases the rate of movement of oxygen molecules through the bulk liquid
all of the above
Answer: Option
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