What fraction of the feed to be vaporized to have a bottom product not more than 50% ethanol.

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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1. Ethanol forms a nearly ideal solution with iso-butanol. The vapour-liquid equilibrium data
is given below in terms of the more volatile component (ethanol).A heated feed containing
60mole % ethanol enters a flash drum at a rate of 50 kmol/h and equilibrium separation is
achieved. What fraction of the feed to be vaporized to have a bottom product
containing not more than 50% ethanol.
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
y*
0.196429
0.354839
0.485294
0.594595
0.6875
0.767442
0.836957
0.897959
0.951923
1
Transcribed Image Text:1. Ethanol forms a nearly ideal solution with iso-butanol. The vapour-liquid equilibrium data is given below in terms of the more volatile component (ethanol).A heated feed containing 60mole % ethanol enters a flash drum at a rate of 50 kmol/h and equilibrium separation is achieved. What fraction of the feed to be vaporized to have a bottom product containing not more than 50% ethanol. 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 y* 0.196429 0.354839 0.485294 0.594595 0.6875 0.767442 0.836957 0.897959 0.951923 1
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