In this numerical, the Ponchon-Savarit method is used to find the following.
1. The number of ideal stages in a tray column.
2. The minimum reflux ratio.
3. The minimum number of stages.
4. Heat loads on the condenser and the reboiler.
Link to earlier video related to the present topic-
Distillation Part 38- Steps in the Ponchon-Savarit method
https://youtu.be/a-ixnlCEcTY