Answered: LIQUID-LIQUID EQUILIBRIUM DATA FOR…

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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Question

Isopropyl ether (E) is used to separate acetic acid (A) from water (W). The liquid–liquid equilibrium data at 25^oC and 1 atm are below: (a) One hundred kilograms of a 30 wt% A–W solution is contactedwith 120 kg of ether (E). What are the compositions and weights of the resulting extract and raffinate? What would the concentration of acid in the (ether-rich) extract be if all ether were removed? (b) A solution of 52 kg A and 48 kgW is contacted with 40 kg of E. Calculate the extract and raffinate compositions and quantities.

LIQUID-LIQUID EQUILIBRIUM DATA FOR ACETIC ACID (A),
WATER (W), AND ISOPROPANOL ETHER (E) AT 25°C
AND I ATM
Water-Rich Layer
Ether-Rich Layer
Wt% A
Wt% W
Wt% E
Wt% A
Wt% W
Wt% E
1.41
97.1
1.49
0.37
0.73
98.9
2.89
95.5
1.61
0.79
0.81
98.4
6.42
91.7
1.88
1.93
0.97
97.1
13.30
84.4
2.3
4.82
1.88
93.3
25.50
71.1
3.4
11.4
3.9
84.7
36.70
58.9
4.4
21.6
6.9
71.5
45.30
45.1
9.6
31.1
10.8
58.1
46.40
37.1
16.5
36.2
15.1
48.7

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