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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
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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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
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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