A continuous fractionating column is to be designed to separate at atmospheric pressure a mixture of 42 mol% heptane and 58 mol% ethyl benzene into an overhead product containing 97 mol% heptane and the bottom product containing 99 mol % ethyl benzene. (a) Determine the minimum reflux ratio (Rm). (b) Determine the minimum number of theoretical plates. (c) Determine the number of theoretical plates if a reflux ratio of 2×Rm is employed. The feed is a two-phase mixture containing 40 mol% vapor and 60 mol% liquid. Equilibrium data of heptane X 0 0.914 0.08 0.233 0.185 0.251 0.335 0.487 0.651 0.788 0.428 0.514 0.608 0.729 0.834 0.904 0.963 1.0 1.0 y 0
A continuous fractionating column is to be designed to separate at atmospheric pressure a mixture of 42 mol% heptane and 58 mol% ethyl benzene into an overhead product containing 97 mol% heptane and the bottom product containing 99 mol % ethyl benzene. (a) Determine the minimum reflux ratio (Rm). (b) Determine the minimum number of theoretical plates. (c) Determine the number of theoretical plates if a reflux ratio of 2×Rm is employed. The feed is a two-phase mixture containing 40 mol% vapor and 60 mol% liquid. Equilibrium data of heptane X 0 0.914 0.08 0.233 0.185 0.251 0.335 0.487 0.651 0.788 0.428 0.514 0.608 0.729 0.834 0.904 0.963 1.0 1.0 y 0
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:A continuous fractionating column is to be designed to separate at atmospheric pressure a mixture of 42
mol% heptane and 58 mol% ethyl benzene into an overhead product containing 97 mol% heptane and the
bottom product containing 99 mol% ethyl benzene.
(a) Determine the minimum reflux ratio (Rm).
(b) Determine the minimum number of theoretical plates.
(c) Determine the number of theoretical plates if a reflux ratio of 2×Rm is employed.
The feed is a two-phase mixture containing 40 mol % vapor and 60 mol% liquid.
Equilibrium data of heptane
X
0
0.08
0.185
0.251 0.335 0.487 0.651
0.788
0.914
1.0
y
0
0.233
0.428
0.514
0.608
0.729 0.834
0.904
0.963
1.0
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