Example 3.7: For the rectification in previous example, where a benzene-toluene feed is being distilled to give a distillate composition of xd =0.95 and a bottoms composition of xw = 0.10, calculate the following graphically and analytically. (a) Minimum reflux ratio Rm , (b) Minimum number of theoretical plates at total reflux. 1.0 q line 0.8- enriching operating line for Rm 1.000 1.000 y'- !! 0.6- 0.780 0.900 4. steps for total reflux 0.581 0.777 0.4- 0.411 0.632 0.2- 0.258 0.456 0.130 0.261 0.2 0.4! 0.6 0.8 1.0 Mole fraction in liquid, x
Example 3.7: For the rectification in previous example, where a benzene-toluene feed is being distilled to give a distillate composition of xd =0.95 and a bottoms composition of xw = 0.10, calculate the following graphically and analytically. (a) Minimum reflux ratio Rm , (b) Minimum number of theoretical plates at total reflux. 1.0 q line 0.8- enriching operating line for Rm 1.000 1.000 y'- !! 0.6- 0.780 0.900 4. steps for total reflux 0.581 0.777 0.4- 0.411 0.632 0.2- 0.258 0.456 0.130 0.261 0.2 0.4! 0.6 0.8 1.0 Mole fraction in liquid, x
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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Transcribed Image Text:Example 3.7: For the rectification in previous example, where a benzene-toluene feed is being
distilled to give a distillate composition of xd =0.95 and a bottoms composition of xw = 0.10,
%3D
calculate the following graphically and analytically.
(a) Minimum reflux ratio Rm ,
(b) Minimum number of theoretical plates at total reflux.
1.0
YA
q line
0.8-
enriching operating
line for Rm
!!
steps for
total reflux
1.000
1.000
0.6-
0.780
0.900
4.
0.4-
5.
0.581
0.777
0.411
0.632
0.2-
0.258
0.456
0.130
0.261
0.2
0.4
0.6
0.8
1.0
Mole fraction in liquid, x
Moie fraction in vapor, y
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