QUESTION 1 (NON-CEP) A bench top unit designed for students to investigate the relationship between vapour and liquid at equilibrium for any binary system as well as for multicomponent system as shown in Figure 1. Students may run the unit at atmospheric pressure or any at an elevated pressure. Figure 1: Vapor-Liquid Equilibrium Unit Model BP 16 Following are VLE data for methanol(1)/water(2) at 312.91K P/kPa 7.33 9.079 11.412 11.506 13.012 13.786 14.639 15.785 15.879 16.319 17.599 18.425 X1 0 0.0478 0.0925 0.0925 0.1335 0.1523 0.1809 0.2032 0.2027 0.2228 0.2557 0.2866 y₁ 0 0.2559 0.4562 0.4628 0.6214 0.6164 0.6486 0.6734 0.6796 0.6954 0.7263 0.7383 P/kPa 19.025 20.705 21.532 22.318 23.385 25.091 26.998 27.518 29.744 32.571 34.82 X₁ 0.3065 0.3716 0.4172 0.4362 0.5033 0.5933 0.6917 0.6949 0.8002 0.927 1 y₁ 0.7612 0.8053 0.8048 0.8238 0.8457 0.8619 0.8835 0.8974 0.9536 0.9761 1 (a) i) Using the above experimental data, compute the fugacity for methanol(1)/water(2) system at 312.91K. ii) Examine the system's ideality and present the outcome in a graph. Support your answer with appropriate explanation. (b) i) Perform a consistency test with respect to the Gibbs Duhem equation by fitting the experimental data into the Margules model. You have to show all your working steps, final answers and present your end results in graphical form. ii) Comment on the suitability of using Margules model to fit the experimental data. 20 raan Your task in question 1 is to predict the system's pressure and vapour phase composition. Using the P-x1- y1 figure, compare the percentage inaccuracy of your modelling to the experimental data. Comment on whether Margules' model accurately represented the experimental data.
QUESTION 1 (NON-CEP) A bench top unit designed for students to investigate the relationship between vapour and liquid at equilibrium for any binary system as well as for multicomponent system as shown in Figure 1. Students may run the unit at atmospheric pressure or any at an elevated pressure. Figure 1: Vapor-Liquid Equilibrium Unit Model BP 16 Following are VLE data for methanol(1)/water(2) at 312.91K P/kPa 7.33 9.079 11.412 11.506 13.012 13.786 14.639 15.785 15.879 16.319 17.599 18.425 X1 0 0.0478 0.0925 0.0925 0.1335 0.1523 0.1809 0.2032 0.2027 0.2228 0.2557 0.2866 y₁ 0 0.2559 0.4562 0.4628 0.6214 0.6164 0.6486 0.6734 0.6796 0.6954 0.7263 0.7383 P/kPa 19.025 20.705 21.532 22.318 23.385 25.091 26.998 27.518 29.744 32.571 34.82 X₁ 0.3065 0.3716 0.4172 0.4362 0.5033 0.5933 0.6917 0.6949 0.8002 0.927 1 y₁ 0.7612 0.8053 0.8048 0.8238 0.8457 0.8619 0.8835 0.8974 0.9536 0.9761 1 (a) i) Using the above experimental data, compute the fugacity for methanol(1)/water(2) system at 312.91K. ii) Examine the system's ideality and present the outcome in a graph. Support your answer with appropriate explanation. (b) i) Perform a consistency test with respect to the Gibbs Duhem equation by fitting the experimental data into the Margules model. You have to show all your working steps, final answers and present your end results in graphical form. ii) Comment on the suitability of using Margules model to fit the experimental data. 20 raan Your task in question 1 is to predict the system's pressure and vapour phase composition. Using the P-x1- y1 figure, compare the percentage inaccuracy of your modelling to the experimental data. Comment on whether Margules' model accurately represented the experimental data.
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:QUESTION 1 (NON-CEP)
A bench top unit designed for students to investigate the relationship between vapour and liquid at
equilibrium for any binary system as well as for multicomponent system as shown in Figure 1. Students
may run the unit at atmospheric pressure or any at an elevated pressure.
Figure 1: Vapor-Liquid Equilibrium Unit Model BP 16
Following are VLE data for methanol(1)/water(2) at 312.91K
P/kPa
7.33
9.079
11.412
11.506
13.012
13.786
14.639
15.785
15.879
16.319
17.599
18.425
X1
0
0.0478
0.0925
0.0925
0.1335
0.1523
0.1809
0.2032
0.2027
0.2228
0.2557
0.2866
y₁
0
0.2559
0.4562
0.4628
0.6214
0.6164
0.6486
0.6734
0.6796
0.6954
0.7263
0.7383
P/kPa
19.025
20.705
21.532
22.318
23.385
25.091
26.998
27.518
29.744
32.571
34.82
X₁
0.3065
0.3716
0.4172
0.4362
0.5033
0.5933
0.6917
0.6949
0.8002
0.927
1
y₁
0.7612
0.8053
0.8048
0.8238
0.8457
0.8619
0.8835
0.8974
0.9536
0.9761
1
(a)
i) Using the above experimental data, compute the fugacity for methanol(1)/water(2) system at 312.91K.
ii) Examine the system's ideality and present the outcome in a graph. Support your answer with appropriate
explanation.
(b)
i) Perform a consistency test with respect to the Gibbs Duhem equation by fitting the experimental data
into the Margules model. You have to show all your working steps, final answers and present your end
results in graphical form.
ii) Comment on the suitability of using Margules model to fit the experimental data.
20
raan
Transcribed Image Text:Your task in question 1 is to predict the system's pressure and vapour phase composition. Using the P-x1-
y1 figure, compare the percentage inaccuracy of your modelling to the experimental data. Comment on
whether Margules' model accurately represented the experimental data.
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