Question: A vacuum column with 25 real stages is operating with a pressure drop of (0.3 mathrm{in}). of water per stage. Assume pressure drop in the

A vacuum column with 25 real stages is operating with a pressure drop of \(0.3 \mathrm{in}\). of water per stage. Assume pressure drop in the condenser and the reboiler is 0.6 in. of water each. The vacuum pump is connected to the condenser and holds the end of the condenser at a pressure of 105 torr.

a. What is the pressure in the reboiler in \(\mathrm{kPa}\) ?

b. Using pure water as an example, what are the temperatures at the reboiler and condenser, and what is the temperature difference?

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