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VLE curve

VLE curve

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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Ув 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 О Mole fraction benzene in liquid XB 0.6 0.9 1
Transcribed Image Text:Ув 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 О Mole fraction benzene in liquid XB 0.6 0.9 1
A distillation column is separating Benzene and Phenol (average relative volatility is 2.5) which operates at atmospheric pressure. Two different feed enters to the column at rate of 1,600 kmol/hr with 35% Phenol and 80% liquid; and the second feed enters containing 45% benzene at rate of 1,800 kmol/hr. Feed 2 contains 85% liquid. The distillate and bottom composition of Benzene are required to be 92 mole% and 8 mole% respectively. The reflux ratio is 1.9 times the minimum value. Calculate: i. ii. On graph paper draw and label the VLE curve including x=y line. Mass balance around the column. The location of the feed plates. Minimum reflux ratio. iii. iv. V. Minimum and the ideal number of plates.
Transcribed Image Text:A distillation column is separating Benzene and Phenol (average relative volatility is 2.5) which operates at atmospheric pressure. Two different feed enters to the column at rate of 1,600 kmol/hr with 35% Phenol and 80% liquid; and the second feed enters containing 45% benzene at rate of 1,800 kmol/hr. Feed 2 contains 85% liquid. The distillate and bottom composition of Benzene are required to be 92 mole% and 8 mole% respectively. The reflux ratio is 1.9 times the minimum value. Calculate: i. ii. On graph paper draw and label the VLE curve including x=y line. Mass balance around the column. The location of the feed plates. Minimum reflux ratio. iii. iv. V. Minimum and the ideal number of plates.
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