Answered: Use theMcCabe–Thiele method to compute,…

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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Question

Use theMcCabe–Thiele method to compute, at 1 atmnumber of equilibrium stages N, for R/R_min = 1:3,and the optimal feed-stage location for benzene distillate and bottoms purities of 99.9 and 0.1 mol%, respectively, using a reflux ratio of 1.88, which is about 30% higher than the minimum reflux of 1.44.At the top of the column, α = 2.52; at the bottom, α = 2.26.

Expert Solution

Step 1

Given: Assume 100 moles of feed

1 atm

R/R_min is 1:3

x_D is 0.999

x_W is 0.001

Number of equilibrium stages (N) ?

Reflux ratio is 1.88

$α$ at top is 2.52

$α$ at bottom is 2.26

Optimal feed stage location ?

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