6) Flash Distillation Model... Suppose we decide to distill the same 1000 moles of the 82 mole% cyclohexane and 18 mole % toluene mixture (see the Batch distillation problem) over a ten hour period (one day) using a flash distillation. In this case we would have a feed stream of 88.3 moles/hr and a bottoms flow rate of 11 moles/hr in order to achieve the same overall material result. A cyclohexane-toluene xy-equilibriun figure is provided for your use if needed. a) For the flash option, determine the distillate and bottoms compositions. b) What would you recommend - batch or flash? Why? F = 1000 moles F=√+L
6) Flash Distillation Model... Suppose we decide to distill the same 1000 moles of the 82 mole% cyclohexane and 18 mole % toluene mixture (see the Batch distillation problem) over a ten hour period (one day) using a flash distillation. In this case we would have a feed stream of 88.3 moles/hr and a bottoms flow rate of 11 moles/hr in order to achieve the same overall material result. A cyclohexane-toluene xy-equilibriun figure is provided for your use if needed. a) For the flash option, determine the distillate and bottoms compositions. b) What would you recommend - batch or flash? Why? F = 1000 moles F=√+L
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
Related questions
Question
![6) Flash Distillation Model ...
Suppose we decide to distill the same 1000 moles of the 82 mole% cyclohexane and 18 mole%
toluene mixture (see the Batch distillation problem) over a ten hour period (one day) using a flash
distillation. In this case we would have a feed stream of 88.3 moles/hr and a bottoms flow rate of 11
moles/hr in order to achieve the same overall material result. A cyclohexane-toluene xy-equilibrium
figure is provided for your use if needed.
0
a) For the flash option, determine the distillate and bottoms compositions.
b) What would you recommend - batch or flash? Why?
F=√+L
zF=Y₂V*XBL
F=
= 1000 moles
x=0.82
d=0.883
Xb= 0.117
BUF
0.020
SE301
2ACT
32581
2.12
S884](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F02152486-4b3e-4971-933f-7bbbd61f61b8%2Fc39e59d2-c38e-4308-b1f0-6262b020c6d5%2F3my3u9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:6) Flash Distillation Model ...
Suppose we decide to distill the same 1000 moles of the 82 mole% cyclohexane and 18 mole%
toluene mixture (see the Batch distillation problem) over a ten hour period (one day) using a flash
distillation. In this case we would have a feed stream of 88.3 moles/hr and a bottoms flow rate of 11
moles/hr in order to achieve the same overall material result. A cyclohexane-toluene xy-equilibrium
figure is provided for your use if needed.
0
a) For the flash option, determine the distillate and bottoms compositions.
b) What would you recommend - batch or flash? Why?
F=√+L
zF=Y₂V*XBL
F=
= 1000 moles
x=0.82
d=0.883
Xb= 0.117
BUF
0.020
SE301
2ACT
32581
2.12
S884
![Cyclohexane-Toluene
y, Mole Fraction
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
0.00 0.10
0.20
0.30
0.40
0.60
0.50
x, Mole Fraction
0.70
0.80
0.90
1.00](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F02152486-4b3e-4971-933f-7bbbd61f61b8%2Fc39e59d2-c38e-4308-b1f0-6262b020c6d5%2Fmxq1lya_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Cyclohexane-Toluene
y, Mole Fraction
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
0.00 0.10
0.20
0.30
0.40
0.60
0.50
x, Mole Fraction
0.70
0.80
0.90
1.00
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