D3.* A distillation system with a still pot plus a column with one equilibrium stage is used to batch distill 1.0 kmol of a 57.0 mol% methanol and 43.0 mol% water feed. A total condenser is used. The final bottoms concentration is 15.0 mol% methanol. Pressure is 101.3 kPa. Reflux is a saturated liquid, and Lo/D = 1.85. Find Wfinal, Dtotal, and XD,avg. VLE data are in Table 2-8.
D3.* A distillation system with a still pot plus a column with one equilibrium stage is used to batch distill 1.0 kmol of a 57.0 mol% methanol and 43.0 mol% water feed. A total condenser is used. The final bottoms concentration is 15.0 mol% methanol. Pressure is 101.3 kPa. Reflux is a saturated liquid, and Lo/D = 1.85. Find Wfinal, Dtotal, and XD,avg. VLE data are in Table 2-8.
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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Transcribed Image Text:D3.* A distillation system with a still pot plus a column with one
equilibrium stage is used to batch distill 1.0 kmol of a 57.0 mol%
methanol and 43.0 mol% water feed. A total condenser is used.
The final bottoms concentration is 15.0 mol% methanol. Pressure
is 101.3 kPa. Reflux is a saturated liquid, and Lo/D = 1.85. Find
Wfinal, Dtotal, and XD,avg. VLE data are in Table 2-8.
XD
W, xw
FIGURE 9-9. Inverted batch distillation
Transcribed Image Text:TABLE 2-8. Vapor-liquid equilibrium data for methanol water (p
1 atm) (mol %)
Methanol Liquid
0
2.0
4.0
6.0
8.0
10.0
15.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
95.0
100.0
Methanol Vapor
0
13.4
23.0
30.4
36.5
41.8
51.7
57.9
66.5
72.9
77.9
82.5
87.0
91.5
95.8
97.9
100.0
Temp., °C
100
96.4
93.5
91.2
89.3
87.7
84.4
81.7
78.0
75.3
73.1
71.2
69.3
67.6
66.0
65.0
64.5
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