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A fermentation reactor is charged with a sterile feed of growth media at 35 °C and inoculated with a batch of microorganisms The batch is allowed to grow for 10 days During the growth period the

A fermentation reactor is charged with a sterile feed of growth media at 35 °C and inoculated with a batch of microorganisms. The batch is allowed to grow for 10 days. During the growth period the temperature is maintained at 37 °C by circulating cold water through a jacket on the vessel. Sterile air is spared into the fermenter to maintain a desired dissolved oxygen concentration. The pH of the fermenter is controlled by periodic addition of a dilute solution of sodium hydroxide. At the end of the growth period the batch is discharged from the reactor to the harvesting section of the process.

a. Sketch a P&I diagram of the reactor and feed section.

b. What pressure would you choose for operation of the fermenter, and how would you control it?

Jul 25 2020 View more View Less

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