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
icon
Related questions
Question

question and answer provided 

 

can someone show clearer steps on how to reach these answers with working shown.

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
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
Expert Solution
steps

Step by step

Solved in 4 steps with 6 images

Blurred answer
Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami…
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Process Dynamics and Control, 4e
Process Dynamics and Control, 4e
Chemical Engineering
ISBN:
9781119285915
Author:
Seborg
Publisher:
WILEY
Industrial Plastics: Theory and Applications
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning
Unit Operations of Chemical Engineering
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The