We wish to distill 2000 kmol/h of a saturated liquid feed. The feed is 0.056 mole fraction propane, 0.321 n-butane, 0.482 n-pentane, and the remainder n-hexane. The column operates at 101.3 kPa. The column has a total condenser and a partial reboiler. Reflux ratio 3.5 and the reflux is a saturated liquid. The optimum feed stage is to be used. A fractional recovery of 99.4% n-butane is desired in the distillate and 99.7% of the n- pentane in the bottoms. Estimate distillate and bottoms composition and flow rates.
We wish to distill 2000 kmol/h of a saturated liquid feed. The feed is 0.056 mole fraction propane, 0.321 n-butane, 0.482 n-pentane, and the remainder n-hexane. The column operates at 101.3 kPa. The column has a total condenser and a partial reboiler. Reflux ratio 3.5 and the reflux is a saturated liquid. The optimum feed stage is to be used. A fractional recovery of 99.4% n-butane is desired in the distillate and 99.7% of the n- pentane in the bottoms. Estimate distillate and bottoms composition and flow rates.
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
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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We wish to distill 2000 kmol/h of a saturated liquid feed. The feed is 0.056
mole fraction propane, 0.321 n-butane, 0.482 n-pentane, and the remainder
n-hexane. The column operates at 101.3 kPa. The column has a total
condenser and a partial reboiler. Reflux ratio 3.5 and the reflux is a
saturated liquid. The optimum feed stage is to be used. A fractional
recovery of 99.4% n-butane is desired in the distillate and 99.7% of the n-
pentane in the bottoms. Estimate distillate and bottoms composition and
flow rates.
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