Question: A binary mixture containing 30 mol% n-pentane and 70 mol% n-hexane will be separated in a distillation column operating at 10 atm pressure. The ratio

A binary mixture containing 30 mol% n-pentane and 70 mol% n-hexane will be separated in a distillation column operating at 10 atm pressure. The ratio / of the rectifying section is 0.5 and the steam flow is 120 mol/h. Determine the stripping section ratio / for the following feed conditions: a) the feed is 10% vaporized, b) the feed is 50% vaporized, and c) the feed enters the column as saturated vapor.

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