4) A mixture containing equal molar amounts of methanol and water is fed into a vessel which is at pressure of 1 atm. Thirty-five percent of the feed is flashed off. i) Using the x-y diagram below find the methanol mole-fraction in the vapour and liquid leaving the vessel (where the exit streams are in equilibrium). ii) Use the temperature-composition diagram below to find the temperature of the exit streams. x-y diagram for methanol/water at 1 atm y (molefraction of methanol in vapour) u "А Temperature (K) 0.8 0.6 0.4 0.2 0 375 370 365 360 355 350 345 340 335 0 0.2 0.6 0.2 0.4 Xm (molefraction of methanol in liquid) Temperature-composition diagram for methanol/water at 1 atm 0.8 0.4 0.6 molefraction of methanol 0.8
4) A mixture containing equal molar amounts of methanol and water is fed into a vessel which is at pressure of 1 atm. Thirty-five percent of the feed is flashed off. i) Using the x-y diagram below find the methanol mole-fraction in the vapour and liquid leaving the vessel (where the exit streams are in equilibrium). ii) Use the temperature-composition diagram below to find the temperature of the exit streams. x-y diagram for methanol/water at 1 atm y (molefraction of methanol in vapour) u "А Temperature (K) 0.8 0.6 0.4 0.2 0 375 370 365 360 355 350 345 340 335 0 0.2 0.6 0.2 0.4 Xm (molefraction of methanol in liquid) Temperature-composition diagram for methanol/water at 1 atm 0.8 0.4 0.6 molefraction of methanol 0.8
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
Related questions
Question
Q4 a) x≈0.38; y≈0.73; b) T≈348.5 K
![4) A mixture containing equal molar amounts of methanol and water is fed into a vessel which is at a
pressure of 1 atm. Thirty-five percent of the feed is flashed off.
i) Using the x-y diagram below find the methanol mole-fraction in the vapour and liquid leaving the
vessel (where the exit streams are in equilibrium).
ii) Use the temperature-composition
diagram below to find the temperature of the exit streams.
ym (molefraction of methanol in vapour)
Temperature (K)
0.8
0.6
0.4
0.2
0
375
370
365
€360
355
350
345
340
335
0
x-y diagram for methanol/water at 1 atm
0.2
0.4
0.2
0.6
Xm (molefraction of methanol in liquid)
Temperature-composition diagram for methanol/water at 1 atm
0.8
0.4
0.6
molefraction of methanol
0.8](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fde55ad6b-27eb-44c5-bca1-afdb32f2dfc7%2F7a88745e-0088-4490-9a3d-b6b4573b34b7%2Fqic6s6gn_processed.png&w=3840&q=75)
Transcribed Image Text:4) A mixture containing equal molar amounts of methanol and water is fed into a vessel which is at a
pressure of 1 atm. Thirty-five percent of the feed is flashed off.
i) Using the x-y diagram below find the methanol mole-fraction in the vapour and liquid leaving the
vessel (where the exit streams are in equilibrium).
ii) Use the temperature-composition
diagram below to find the temperature of the exit streams.
ym (molefraction of methanol in vapour)
Temperature (K)
0.8
0.6
0.4
0.2
0
375
370
365
€360
355
350
345
340
335
0
x-y diagram for methanol/water at 1 atm
0.2
0.4
0.2
0.6
Xm (molefraction of methanol in liquid)
Temperature-composition diagram for methanol/water at 1 atm
0.8
0.4
0.6
molefraction of methanol
0.8
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