Derivation of equilibrium-flash equations for a binary mixture.For a binary mixture of components 1 and 2, show that the phase compositions and amounts can be computed directly from the followingreduced forms of Eqs. (5), (6), and (3) of Table 4.4: X1 = (1 – K2)/(K1 – K2)x2 = 1- xyı = (K, K2 – Ki)/(K2- K1)y2 = 1- yıVz(K – K2)/(1 – K2)] – 1%3D%3DK1 -1 Table 4.4 Rachford-Rice Procedure for Isothermal-FlashCalculations When K-Values Are Independent of Composition..., zc, Ty, PySpecified variables: F, TF, PF, Z1, 2,Steps(1) TL = Ty(2) PL = Py(3) Solve= È,z,(1 – K;)A1+ V(K; – 1)f{V} = Efor V = V/F, where K; = K{Tv, Py}.(4) V = FYZi(5) xi =:1+ V(K - 1)Z;Ki(6) y;1+ ¥(K; – 1)(7) L =F – V(8) Q = hyV+ hL – hFF

For a binary mixture, let ‘1’ be the first component and ‘2’ be the second component. The equation…

Answered: X1 = (1 – K2)/(K1 – K2) x2 = 1- x yı =…

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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Derivation of equilibrium-flash equations for a binary mixture.
For a binary mixture of components 1 and 2, show that the phase compositions and amounts can be computed directly from the following
reduced forms of Eqs. (5), (6), and (3) of Table 4.4:

X1 = (1 – K2)/(K1 – K2)
x2 = 1- x
yı = (K, K2 – Ki)/(K2- K1)
y2 = 1- yı
Vz(K – K2)/(1 – K2)] – 1
%3D
%3D
K1 -1

Table 4.4 Rachford-Rice Procedure for Isothermal-Flash
Calculations When K-Values Are Independent of Composition
..., zc, Ty, Py
Specified variables: F, TF, PF, Z1, 2,
Steps
(1) TL = Ty
(2) PL = Py
(3) Solve
= È,
z,(1 – K;)
A1+ V(K; – 1)
f{V} = E
for V = V/F, where K; = K{Tv, Py}.
(4) V = FY
Zi
(5) xi =:
1+ V(K - 1)
Z;Ki
(6) y;
1+ ¥(K; – 1)
(7) L =F – V
(8) Q = hyV+ hL – hFF

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