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We are separating a mixture of methanol and water in a flash drum at 1.0 atm pressure. Use the equilibrium data listed in Table 2-7. Feed rate is 10.0 kmol/h. a. The feed is 40 mol % methanol and 60% of the feed is vaporized. Find mole fractions and flow rates of vapor and liquid products. Estimate the temperatures by linear interpolation for both vapor and liquid products. b. The feed is 40 mol % methanol, the product temperatures are both 78.0°C. Find the mole fractions of liquid and vapor products and V/F. c. We desire a vapor product that is 80 mol % methanol and want to operate at V/F = 0.3. What must the feed composition be?

We are separating a mixture of methanol and water in a flash drum at 1.0 atm pressure. Use the equilibrium data listed in Table 2-7. Feed rate is 10.0 kmol/h. a. The feed is 40 mol % methanol and 60% of the feed is vaporized. Find mole fractions and flow rates of vapor and liquid products. Estimate the temperatures by linear interpolation for both vapor and liquid products. b. The feed is 40 mol % methanol, the product temperatures are both 78.0°C. Find the mole fractions of liquid and vapor products and V/F. c. We desire a vapor product that is 80 mol % methanol and want to operate at V/F = 0.3. What must the feed composition be?

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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Table 2-7. Vapor-liquid equilibrium data for methanol water (p = 1 atm) (mol %) Methanol Liquid 0 2.0 4.0 6.0 8.0 10.0 15.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0 95.0 100.0 Methanol Vapor 0 13.4 23.0 30.4 36.5 41.8 51.7 57.9 66.5 72.9 77.9 82.5 87.0 91.5 95.8 97.9 100.0 Temp., °C 100 96.4 93.5 91.2 89.3 87.7 84.4 81.7 78.0 75.3 73.1 71.2 69.3 67.6 66.0 65.0 64.5 We are separating a mixture of methanol and water in a flash drum at 1.0 atm pressure. Use the equilibrium data listed in Table 2-7. Feed rate is 10.0 kmol/h. a. The feed is 40 mol % methanol and 60% of the feed is vaporized. Find mole fractions and flow rates of vapor and liquid products. Estimate the temperatures by linear interpolation for both vapor and liquid products. b. The feed is 40 mol % methanol, the product temperatures are both 78.0°C. Find the mole fractions of liquid and vapor products and V/F. c. We desire a vapor product that is 80 mol % methanol and want to operate at V/F = 0.3. What must the feed composition be?
Transcribed Image Text:Table 2-7. Vapor-liquid equilibrium data for methanol water (p = 1 atm) (mol %) Methanol Liquid 0 2.0 4.0 6.0 8.0 10.0 15.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0 95.0 100.0 Methanol Vapor 0 13.4 23.0 30.4 36.5 41.8 51.7 57.9 66.5 72.9 77.9 82.5 87.0 91.5 95.8 97.9 100.0 Temp., °C 100 96.4 93.5 91.2 89.3 87.7 84.4 81.7 78.0 75.3 73.1 71.2 69.3 67.6 66.0 65.0 64.5 We are separating a mixture of methanol and water in a flash drum at 1.0 atm pressure. Use the equilibrium data listed in Table 2-7. Feed rate is 10.0 kmol/h. a. The feed is 40 mol % methanol and 60% of the feed is vaporized. Find mole fractions and flow rates of vapor and liquid products. Estimate the temperatures by linear interpolation for both vapor and liquid products. b. The feed is 40 mol % methanol, the product temperatures are both 78.0°C. Find the mole fractions of liquid and vapor products and V/F. c. We desire a vapor product that is 80 mol % methanol and want to operate at V/F = 0.3. What must the feed composition be?
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