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What are the vapor and liquid flowrates around the condenser and reboiler

What are the vapor and liquid flowrates around the condenser and reboiler

Introduction to Chemical Engineering Thermodynamics
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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What are the vapor and liquid flowrates around the condenser and reboiler

(1) The feed of 100 kmol/h is at its boiling point of 70°C. (ii) The feed consists of 40 mol % n-butane, 25 mol % n-pentane, 20 mol % n-hexane and 15 mol% n-heptane. (iv) The feed is to be fractionated so that 90% of the n-pentane is recovered in the distillate and 90% of the n-hexane is recovered in the bottoms. (v) The dew point at the top of the column is approximately 67°C and the bubble point at the bottom of the column is approximately 132°C. (vi) The minimum reflux ratio is 0.395 (Rmin) and the column is to be operated at 1.5Rmin. (vii) The number of theoretical stages for the top section is 9 and the number of theoretical stages for the bottom section is 7.
Transcribed Image Text:(1) The feed of 100 kmol/h is at its boiling point of 70°C. (ii) The feed consists of 40 mol % n-butane, 25 mol % n-pentane, 20 mol % n-hexane and 15 mol% n-heptane. (iv) The feed is to be fractionated so that 90% of the n-pentane is recovered in the distillate and 90% of the n-hexane is recovered in the bottoms. (v) The dew point at the top of the column is approximately 67°C and the bubble point at the bottom of the column is approximately 132°C. (vi) The minimum reflux ratio is 0.395 (Rmin) and the column is to be operated at 1.5Rmin. (vii) The number of theoretical stages for the top section is 9 and the number of theoretical stages for the bottom section is 7.
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