Q3: There are two feed streams A and B at their corresponding bubble points available in a plant. The streams consist of binary mixtures of methanol and water whose characteristics are given in tablel. You are given an assignment to design a distillation column, which is expected to produce a top product of 95% methanol and a bottom product of 95% water. Your supervisor fixes the reflux ratio L/D=2.0. Find the followings: X y 0 0 0.02 Table 1:Characteristics of the two streams stream Flow rate (mol/h) composition A i) Calculate D and W ii) Calculate all the flow rates in all three sections: Vn, Ln, V', L',Vm and Lm iii) From the mass and/or component balance show the intermediate operating line in terms y = mx + c, where m is the slope of the operating line and c is the intercept. Find the value of m and c iv) Determine the number of stages 0.134 0.23 0.3 B 0.04 0.06 0.08 100 0.1 100 0.2 0.3 x=0.5 0.4 x=0.5 0.5 0.6 0.7 0.8 0.9 0.95 0.36 0.41 0.58 0.66 0.73 0.78 0.82 0.87 0.91 0.96 0.98 1 1
Q3: There are two feed streams A and B at their corresponding bubble points available in a plant. The streams consist of binary mixtures of methanol and water whose characteristics are given in tablel. You are given an assignment to design a distillation column, which is expected to produce a top product of 95% methanol and a bottom product of 95% water. Your supervisor fixes the reflux ratio L/D=2.0. Find the followings: X y 0 0 0.02 Table 1:Characteristics of the two streams stream Flow rate (mol/h) composition A i) Calculate D and W ii) Calculate all the flow rates in all three sections: Vn, Ln, V', L',Vm and Lm iii) From the mass and/or component balance show the intermediate operating line in terms y = mx + c, where m is the slope of the operating line and c is the intercept. Find the value of m and c iv) Determine the number of stages 0.134 0.23 0.3 B 0.04 0.06 0.08 100 0.1 100 0.2 0.3 x=0.5 0.4 x=0.5 0.5 0.6 0.7 0.8 0.9 0.95 0.36 0.41 0.58 0.66 0.73 0.78 0.82 0.87 0.91 0.96 0.98 1 1
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:Q3: There are two feed streams A and B at their corresponding bubble points available in a plant.
The streams consist of binary mixtures of methanol and
I water whose characteristics are given in
tablel. You are given an assignment to design a distillation column, which is expected to produce a
fop product of 95% methanol and a bottom product of 95% water. Your supervisor fixes the reflux
ratio L/D=2.0.
Find the followings:
X
y
0
0
Table 1:Characteristics of the two streams
stream Flow rate (mol/h) composition
0.02
A
B
i) Calculate D and W
ii) Calculate all the flow rates in all three sections: Vn, Ln, V', L',Vm and Lm
iii) From the mass and/or component balance show the intermediate operating line in terms
y = mx + c, where m is the slope of the operating line and c is the intercept. Find the value of m
and c
iv) Determine the number of stages
0.04 0.06 0.08
100
0.1
100
0.2 0.3
x=0.5
0.4
x=0.5
0.5
0.6
0.7
0.8
0.9
0.95
0.134 0.23 0.3 0.36 0.41 0.58 0.66 0.73 0.78 0.82 0.87 0.91 0.96 0.98
1
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