2.45 kg of a solution that is 30 wt% ethylene glycol in water will be extracted with furfural. Using the figure in the next page, for a single equilibrium stage calculate: a) the minimum and maximum amounts of solvent that can be used to observe two phases, and b) if 45 kg of solvent are used determine the amounts of extract and raffinate and the percentage of ethylene glycol extracted. Ethylene Glycol (B)

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
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Chapter1: Introduction
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2.45 kg of a solution that is 30 wt% ethylene glycol in water will be extracted with furfural.
Using the figure in the next page, for a single equilibrium stage calculate: a) the minimum and
maximum amounts of solvent that can be used to observe two phases, and b) if 45 kg of solvent
are used determine the amounts of extract and raffinate and the percentage of ethylene glycol
extracted.
Furfural
(C)
0.1
0.2
m
0.3
D 0.9
0.4
0.5
Extract
0.8
Mass fraction ethylene glycol
0.6
0.7
Plait
Point
M
ZA
0.7
0.8
T
Ethylene Glycol
(B)
0.9
Miscibility
boundary
Tie line
0.1
1/
0.2
0.4
0.6
0.5
Mono fraction furfurol
0.3
0.4
0.3
Mass fraction water
Raffinate
0.5
0.6
0.2
0.7
0.8
0.1 G
0.9
Water
(A)
Transcribed Image Text:2.45 kg of a solution that is 30 wt% ethylene glycol in water will be extracted with furfural. Using the figure in the next page, for a single equilibrium stage calculate: a) the minimum and maximum amounts of solvent that can be used to observe two phases, and b) if 45 kg of solvent are used determine the amounts of extract and raffinate and the percentage of ethylene glycol extracted. Furfural (C) 0.1 0.2 m 0.3 D 0.9 0.4 0.5 Extract 0.8 Mass fraction ethylene glycol 0.6 0.7 Plait Point M ZA 0.7 0.8 T Ethylene Glycol (B) 0.9 Miscibility boundary Tie line 0.1 1/ 0.2 0.4 0.6 0.5 Mono fraction furfurol 0.3 0.4 0.3 Mass fraction water Raffinate 0.5 0.6 0.2 0.7 0.8 0.1 G 0.9 Water (A)
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