Houston Community College Operations And Supply Chain Management Assignment Help - A continuous

Question - A continuous distillation unit, consisting of a perforated-tray column together with a partial reboiler
and a total condenser, is to be designed to operate at atmospheric pressure to separate ethanol and
water. The feed, which is introduced into the column as liquid at its bubble point, contains 20 mol%
alcohol. The distillate is to contain 85 mol% alcohol, and the alcohol recovery is to be 97%.
(a) What is the molar concentration of the bottoms?
(b) What is the minimum value of:
(1) The reflux ratio L/V?
(2) The reflux ratio L/D?
(3) The boilup ratio V/B from the reboiler?
(c) What is the minimum number of theoretical stages and the corresponding number of actual plates
if the overall plate efficiency is 55%?
(d) If the reflux ...Read More ratio L/Vused is 0.80, how many actual plates will be required?
Vapor-liquid equilibrium for ethanol-water at 1 atm in terms of mole fractions of ethanolare ...Read Less

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