Determine the composition of the equilibrium extract and raffinate phases produced when a 40% by weight glycol (B)-60% water (A) solution is contacted with two and a half times its weight of pure furfural solvent (C) at 25°C and 101 kPa. Use both equilateral-triangular diagram and right-triangular diagram. Miscibility boundaryEthylene Glycol(B)0.90.10.80.20.70.30.60.4Plait0.5Point0.50.40.60.3Tie line0.70.20.8E.0.10.9Furfural(C)0.90.80.7Water0.60.50.40.30.20.1 G(A)Mass fraction furfural(a)Mass fraction waterMass fraction ethylene giycolRaffinateExtract 1.00.9F0.8F0.70.6F0.5-0.4- R.Extract0.3-0.2F0.1E0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0Mass fraction furfural(b)Mass fraction glycolRaffinate

The weight percent of components is given as follows

Answered: Determine the composition of the…

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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Determine the composition of the equilibrium extract and raffinate phases produced when a 40% by weight glycol (B)-60% water (A) solution is contacted with two and a half times its weight of pure furfural solvent (C) at 25°C and 101 kPa. Use both equilateral-triangular diagram and right-triangular diagram.

Miscibility boundary
Ethylene Glycol
(B)
0.9
0.1
0.8
0.2
0.7
0.3
0.6
0.4
Plait
0.5
Point
0.5
0.4
0.6
0.3
Tie line
0.7
0.2
0.8
E.
0.1
0.9
Furfural
(C)
0.9
0.8
0.7
Water
0.6
0.5
0.4
0.3
0.2
0.1 G
(A)
Mass fraction furfural
(a)
Mass fraction water
Mass fraction ethylene giycol
Raffinate
Extract

1.0
0.9F
0.8F
0.7
0.6F
0.5-
0.4- R.
Extract
0.3-
0.2F
0.1E
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Mass fraction furfural
(b)
Mass fraction glycol
Raffinate

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