A distillation column with a total condenser is separating a feed that is 30.0 mol% acetone from ethanol. Distillate xD = 0.90 and bot- toms xB = 0.13 both mole fractions acetone. Assume CMO is valid. L/V = 0.8. Boilup ratio . a. Find the composition of the liquid leaving the fifth stage below the total condenser. b. The column has a partial reboiler that acts as an equilibrium con- tact. Find the vapor composition leaving the second stage above the partial reboiler. c. Find optimum feed plate location, total number of stages, and re- quired q value of feed

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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A distillation column with a total condenser is separating a feed that is 30.0 mol% acetone from ethanol. Distillate xD = 0.90 and bot- toms xB = 0.13 both mole fractions acetone. Assume CMO is valid. L/V = 0.8. Boilup ratio .

a. Find the composition of the liquid leaving the fifth stage below the total condenser.

b. The column has a partial reboiler that acts as an equilibrium con- tact. Find the vapor composition leaving the second stage above the partial reboiler.

c. Find optimum feed plate location, total number of stages, and re- quired q value of feed

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