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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 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?
The value of the product is $14.08 per pound, and the plant operates 300 days per year. Assuming no costs are involved other than those mentioned, what is the maximum annual
where V is the molar volume at temperature T, and a is a constant. Initially one mole of the gas is at temperature T1 and occupies volume V1. The gas is allowed to expand ad
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Determine the values of Vmax, KM, and KI. v, M/min x 106 S, M No inhibitor 10-5 M inhibitor 3.3 x 10-4 56 37 5.0 x 10-4 71 47 6.7 x 10-4 88 61 1.65 x 10-3 129 103 2.21 x 10-
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mole of oxygen in the exhaust gas per unit weight of fuel. e- mole of water vapour in exhaust gas per unit weight of fuel.
calculate the standard internal energy change for the reaction OF2 (g) + H2O (g) ------- >O2 (g )+ 2HF ( g) at298 ok. the standard enthalpies of formation of OF2, H2O , HF a
QUESTION - 1 . The rate of a liquid phase reaction of the type ,A+B --àproducts is found to be independent of concentration of A and B and equal to 1 KMOL/m3 (
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