Flash Distillation A feed with a mole composition of ZH = 0.4 is fed into an isothermal flash distillation so that 1/3 of the feed is evaporated. The xy diagram of the system is given below. a) Estimate the outgoing compositions of the flash distillation. b) What are distribution coefficients and selectivity in this process?
Flash Distillation A feed with a mole composition of ZH = 0.4 is fed into an isothermal flash distillation so that 1/3 of the feed is evaporated. The xy diagram of the system is given below. a) Estimate the outgoing compositions of the flash distillation. b) What are distribution coefficients and selectivity in this process?
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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![Flash Distillation
A feed with a mole composition of ZH = 0.4 is fed into an isothermal flash distillation
so that 1/3 of the feed is evaporated. The xy diagram of the system is given below.
a) Estimate the outgoing compositions of the flash distillation.
b) What are distribution coefficients and selectivity in this process?
У1
[-]
1
0.75
0.5
0.25
1
0
0.75
0.5
0.25
0
0
0.25
Tutorial 3- Question Q1 Solution
0.5
X1
[-]
(0.26, 0.68)
0.25
0.75
0.5
X1
[-]
1
0.75
Ун =
M
F
1
XH+
1
ਖੇ
Other point:
For instance:
(0.2, 0.8)
ΖΗ
q-line
1
Ун =
- - - - / - - - ; }
XH +
ZH
With V/F = 1/3
y = -2x + 3z
And feed composition point
(z,z) = (0.4, 0.4)
University of
Strathclyd-
Engineering
Outgoing concentrations.
(0.26, 0.68)
K1 = 2.62, K2 = 0.432, α = 6.0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe25ad2c4-6e03-4d3e-b445-5962fa3ab3d6%2F332bca55-61a1-46a1-9335-b04257b942bf%2Fkgnvr6g_processed.png&w=3840&q=75)
Transcribed Image Text:Flash Distillation
A feed with a mole composition of ZH = 0.4 is fed into an isothermal flash distillation
so that 1/3 of the feed is evaporated. The xy diagram of the system is given below.
a) Estimate the outgoing compositions of the flash distillation.
b) What are distribution coefficients and selectivity in this process?
У1
[-]
1
0.75
0.5
0.25
1
0
0.75
0.5
0.25
0
0
0.25
Tutorial 3- Question Q1 Solution
0.5
X1
[-]
(0.26, 0.68)
0.25
0.75
0.5
X1
[-]
1
0.75
Ун =
M
F
1
XH+
1
ਖੇ
Other point:
For instance:
(0.2, 0.8)
ΖΗ
q-line
1
Ун =
- - - - / - - - ; }
XH +
ZH
With V/F = 1/3
y = -2x + 3z
And feed composition point
(z,z) = (0.4, 0.4)
University of
Strathclyd-
Engineering
Outgoing concentrations.
(0.26, 0.68)
K1 = 2.62, K2 = 0.432, α = 6.0
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