Example: A mixture of 100 kmol which contain 60% mole percent n-pentane and 40% n- heptane is vaporized at 101.32 kpa pressure under differential conditions until 60 kmol is distilled. The equilibrium data is given as: ХА 0.86 0.59 0.398 0.25 0.145 0.059 YA 1 0.98 0.925 0.836 0.701 0.521 0.271 (a) What is the average composition of the total vapor distilled (Xd) and the composition of the liquid left (x) (b) Repeat (a) if the equilibrium data is given yA = 1.8 XA (c) Repeat (a) if the relative volatility aAB = 5.8.
Example: A mixture of 100 kmol which contain 60% mole percent n-pentane and 40% n- heptane is vaporized at 101.32 kpa pressure under differential conditions until 60 kmol is distilled. The equilibrium data is given as: ХА 0.86 0.59 0.398 0.25 0.145 0.059 YA 1 0.98 0.925 0.836 0.701 0.521 0.271 (a) What is the average composition of the total vapor distilled (Xd) and the composition of the liquid left (x) (b) Repeat (a) if the equilibrium data is given yA = 1.8 XA (c) Repeat (a) if the relative volatility aAB = 5.8.
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:Example: A mixture of 100 kmol which contain 60% mole percent n-pentane and 40% n-
heptane is vaporized at 101.32 kpa pressure under differential conditions until 60 kmol is
distilled. The equilibrium data is given as:
ХА
1
0.86
0.59
0.398
0.25
0.145
0.059
YA
1
0.98
0.925
0.836
0.701
0.521
0.271
(a) What is the average composition of the total vapor distilled (Xa) and the composition of the
liquid left (x)
(b) Repeat (a) if the equilibrium data is given ya = 1.8 xA
(c) Repeat (a) if the relative volatility aAB = 5.8.
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