Direction: During sterilization of a fermentation medium in a given bioreactor ∇heating = 12.56, ∇cooling = 7.48 and the total value of ∇ required for whole sterilization process is 52, where ∇ is the design criteria.
-
What is the holding period (min) at a k value of 3.36 min–1?
-
- 10.6
- 9.5
- 8.4
- 7.2
Correct Option: B
Given k value = 3.36 min–1
Holding value of design criteria, = 31.96
Therefore, time of holding, t = ∇holding / k
= 31.96 / 3.36 min = 9.512 min.
