A liquid mixture containing 15.67% CS2 and 84.33% CCl4 by mass at boiling point (q=1) is fed to a distillation column operated at atmospheric pressure. Since the top product contains 91% CS2 by mass and 97.3% CCl4 waste, find the minimum feedback rate (reflux) and the number of shelves using the given formulas

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
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A liquid mixture containing 15.67% CS2 and 84.33% CCl4 by mass at boiling point (q=1) is fed to a distillation column operated at atmospheric pressure. Since the top product contains 91% CS2 by mass and 97.3% CCl4 waste, find the minimum feedback rate (reflux) and the number of shelves using the given formulas.

a AB =2.3, CS2: 76 kg/kmol, CCl4: 154 kg/kmol
In[x,(1- xg)/x(1– x,)]
In a AB
Xp - y'
Nin +1=
R.
Xp -x'
*min
0.9
0.8
0.7
0.6
05
0.4
0.3
0.2
0.1
0 0.1
0.5 0.6
0.2
0.3
0.4
0.7
0.8
0.9
Liquid-Mole ratio CS2
CS2-CC14 Vapor-Liquid Equilibrium Graph
Vapor-Mole Ratio CS2
1.
Transcribed Image Text:a AB =2.3, CS2: 76 kg/kmol, CCl4: 154 kg/kmol In[x,(1- xg)/x(1– x,)] In a AB Xp - y' Nin +1= R. Xp -x' *min 0.9 0.8 0.7 0.6 05 0.4 0.3 0.2 0.1 0 0.1 0.5 0.6 0.2 0.3 0.4 0.7 0.8 0.9 Liquid-Mole ratio CS2 CS2-CC14 Vapor-Liquid Equilibrium Graph Vapor-Mole Ratio CS2 1.
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