A stream consisting of 31.7 mole% benzene (B) and 68.3% toluene (T) is fed at a constant rate to a process unit that produces two product streams, one a vapor and the other a liquid. The vapor flow rate is initially zero and asymptotically approaches two thirds of the molar flow rate of the feed stream. Throughout this entire period, no material accumulates in the unit. When the vapor flow rate has become constant, the liquid is analyzed and found to be 25.7 mole% benzene.
A stream consisting of 31.7 mole% benzene (B) and 68.3% toluene (T) is fed at a constant rate to a process unit that produces two product streams, one a vapor and the other a liquid. The vapor flow rate is initially zero and asymptotically approaches two thirds of the molar flow rate of the feed stream. Throughout this entire period, no material accumulates in the unit. When the vapor flow rate has become constant, the liquid is analyzed and found to be 25.7 mole% benzene.
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:For a feed rate of 100 mol/min, calculate all quantities in the
partially filled flowchart for the system at steady-state.
V=D mol/min
YB = E mol Bz/mol
YT = G mol Tol/mol
SEPARATION
PROCESS
F = A mol/min
XB = B mol Bz/mol
XT = C mol Tol/mol
L = H mol/min
XB=/mol Bz/mol
XT=J mol Tol/mol
Vapor
Liquid
H= i
i
Feed
A =
i
B = i
C = i
D=
E=
G=i
IM
1 = i
J = i
Transcribed Image Text:A stream consisting of 31.7 mole% benzene (B)
and 68.3% toluene (T) is fed at a constant rate to a
process unit that produces two product streams,
one a vapor and the other a liquid.
The vapor flow rate is initially zero and
asymptotically approaches two thirds of the molar
flow rate of the feed stream. Throughout this
entire period, no material accumulates in the unit.
When the vapor flow rate has become constant,
the liquid is analyzed and found to be 25.7 mole%
benzene.
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