As reported by a group of researchers, there is an alternative to substitute the n-hexane with cyclohexane to improve oil and grease recoveries. In order to apply cyclohexane as your extraction solvent, you need to separate cyclohexane from the vapor phase mixture of n- pentane (1) and cyclohexane (2). (a) Sketch a Pxy diagram and label P-x1 and P-y1 curves for the entire system. Show that species 1 is more volatile than species 2 at 50°C (323.15 K).
As reported by a group of researchers, there is an alternative to substitute the n-hexane with cyclohexane to improve oil and grease recoveries. In order to apply cyclohexane as your extraction solvent, you need to separate cyclohexane from the vapor phase mixture of n- pentane (1) and cyclohexane (2). (a) Sketch a Pxy diagram and label P-x1 and P-y1 curves for the entire system. Show that species 1 is more volatile than species 2 at 50°C (323.15 K).
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

Transcribed Image Text:As reported by a group of researchers, there is an alternative to substitute the n-hexane with
cyclohexane to improve oil and grease recoveries. In order to apply cyclohexane as your
extraction solvent, you need to separate cyclohexane from the vapor phase mixture of n-
pentane (1) and cyclohexane (2).
(a) Sketch a Pxy diagram and label P-x1 and P-y1 curves for the entire system. Show that
species 1 is more volatile than species 2 at 50°C (323.15 K).
(b) In view of the higher boiling point of cyclohexane (2), your team member suggests to
lower the temperature of the mixture between the boiling point of n-pentane (1) and
cyclohexane (2). In doing so, he claims that all cyclohexane (2) could be condensed without
condensing any n-pentane (1). By using an appropriate graphic illustration, explain whether
this approach will work? State all assumptions made.

Transcribed Image Text:APPENDIX 1
In P/kPa- A - IB/(T/K + C))
Latent heat of vaporization at the normal boiling point (AH,) and normal boiling point (7,)
Purameters for Antoine Equation Temperange Range AH.
K
kJ/mol
K
Name
Formula
A**
в
From
To
350.15
329.35
Acetone
Acetic acid
CH60 14.3145 2756.22
C3H4O, 15.0717 3580.80
C3HIN 14.8950 3413. 10
13.7819 2726.8I
-45.090
247.15
29.10
-48.500
297.15
415.15
23.70 391.05
354.15
377.15
280.15
Acetonitrile
-22.627
246. 15
30.19
354.75
-55.578
-24.280
30.72 353.15
261.25
272.65
Benzene
279.15
190.15
21.30
iso-Butane
n-Butane
13.8254 2181.79
-34.361
-90.411
200.15
310.15
298.15
292.15
22.44
CaHio 13.6608 2154.70
CHi00 15.3144 3212.43
C4Hi00 15.1989 3026.03
CHj00 14.6047 2740.95
CAHI00 14.8445 2658.29
411.15
393.15
43.29 390.75
372.65
380.95
I-Butanol
40.75
-86.650
-106.480
2-Butanol
401.15
374.15
41.82
Iso-Butanol
tern-Butanol
Carbon tetrachloride
303.15
--95.500
283.15
39.07
355.45
14.0572 2914.23
-41.002
29.82
349.75
259.15
302.15
374.15
C6HSCI 13.8635 3174.78
CAH9CI 13.7965 2723.73
CHCI,
CH12
Chlorobenzene
-61.450
432. 15
35.19
404.85
30.39
351.65
334.25
-54.885
256.15
250.15
1-Chlorobutane
352.15
-54.598
-52.532
357.15
378.15
29.24
29.97
Chloroform
13.7324 2548.74
282.15
353.85
Cyclohexane
Cyclopentane
n-Decane
Dichloromethane
13.6568 2723.44
-38.640
-79.292
49.910
238.15
344.15
476.15
13.9727 2653.90
27.30
322.35
38.75
447.25
338.15
235.15
13.9748 3442.76
CH;Cl, 13.9891 2463.93
Cljo0 14.0735 2511.29
C4HO, 15.0967 3579.78
144,575 468046
C2H60 16.8958 3795.17
13.9726 3259.93
333.15
328.15
28.06
312.85
26.52
307.55
Diethyl ether
1,4-Dioxane
41.950
230.15
293.15
-32.813
-141.050
-42.232
378.15
652.15
34.16
374.45
57.49
38.56
616,75
351.35
n-Eicosane
481.15
Ethanol
276.15
369.15
306.15
373.15
35.57
50.73
-60.850
436.15
409.35
Ethylbenzene
Ethylene glycol
n-Heptane
n-Hexane
Methanol
C3HO2 15.7567 4187.46
-94.500
495.15
470.45
13.8622 2910.26
-56.718
277.15
396.15
31.77
371.55
365.15
356.15
28.85
341.85
13.8193 2696.04
16.5785 3638.27
-48.833
254.15
CHẠ0
-33.650
262.15
35.21
337.85
CAH,O 14.2456 2662.78
14.1334 2838.24
CH,NO, 14.7513 3331.70
13.9854 3311.19
13.6703 2896.3!
30.32
31.30
33.99
-53.460
54.460
250.15
351.15
330.05
Methyl acetate
Methyl ethyl ketone
Nitromethane
265.15
329.15
376.15
352.75
419.15
451.15
374.35
-45.550
-70.456
36.91
423.95
372.35
n-Nonane
319.15
275.15
299.15
30,79
34,41
25.79
iso-Octane
-52.383
398.15
13.9346 3123,13
13.7667 2451.88
--63.515
--41.136
425.15
398.75
309.15
-Octane
331.15
481.15
389.15
-Pentane
CSH12
228.15
46.18
41.44
454.95
-97.750
-67.343
Phenol
14.4387 3507,80
353.15
16.1154 3483.67
293.15
370.35
1-Propanol
2-Propanol
CHO
281.15
286.15
273.15
-53.540
373.15
39.85
355.35
16.6796 3640.20
13.9320 3056.96
409.15
473.15
445.15
33.18
з83.75
-55.525
-42.980
-61.109
Toluene
Water
H30
16.3872 3885.70
40.66
373.15
417.55
313.15
308.15
36.24
o-Xylene
m-Xylene
p-Xylene
14.0415 3358.79
14.1387 3381.8I
35.66
35.67
-57.030
439.15
412.25
14.0579 3331,45
-S8.523
308.15
439.15
411.45
Based primarily on data presented by B. E. Poling, J. M. Prausnitz and J. P O'Connell,
The Properties of Gases and Liquids, Sth ed., App. A. MeGraw-Hill, New York, 2001.
"Antoine parameters adapted from Gmehling et al. See footnote 2, p. 791.
** Antoine parameters A are adjusted to reproduce the listed values of T.
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 5 steps with 5 images

Recommended textbooks for you

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…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY

Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall

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…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY

Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall


Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning

Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The