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A mixture of dichloromethane (1) and ethyl acetate (2) and is separated in a flash drum at 1 bar. a) Feed rate is 150 kmol/h. Feed enters at 27 mol % dichloromethane and 36% of the feed is vaporized. What are the flowrates and composition of the vapor and liquid fractions? b) Feed rate is 750 lb mol/h. Feed is 20 mol% dichloromethane and a liquid product. of 13 mol % dichloromethane is desired. What V/F must be used? Find product flow rates and composition. c) Feed rate is 200 lb mol/h. Feed is 79 mol% dichloromethane and a vapor product of 6 mol % ethyl acetate is desired. What V/F must be used? Find product flow rates and composition. The equilibrium data for ethyl acetate (1)/dichloromethane (2) is given: Dichloromethane/Ethyl Acetate y (Dichloromethane), mol. frac. 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0.0 0.1 0.2 0.3 04 0.5 0.6 0.7 0.8 x (Dichloromethane), mol. frac. 0.9 1.0 80 75 70 65 00 T(°C) 8 55 50 45 40 35 0.0 Txy Plot for Dichloromethane/Ethyl Acetate 0.1 0.2 0.3 0.4 0.5 0.6 -Y 0.7 08 0.9 10 x,y (Dichloromethane), mol.frac.

A mixture of dichloromethane (1) and ethyl acetate (2) and is separated in a flash drum at 1 bar. a) Feed rate is 150 kmol/h. Feed enters at 27 mol % dichloromethane and 36% of the feed is vaporized. What are the flowrates and composition of the vapor and liquid fractions? b) Feed rate is 750 lb mol/h. Feed is 20 mol% dichloromethane and a liquid product. of 13 mol % dichloromethane is desired. What V/F must be used? Find product flow rates and composition. c) Feed rate is 200 lb mol/h. Feed is 79 mol% dichloromethane and a vapor product of 6 mol % ethyl acetate is desired. What V/F must be used? Find product flow rates and composition. The equilibrium data for ethyl acetate (1)/dichloromethane (2) is given: Dichloromethane/Ethyl Acetate y (Dichloromethane), mol. frac. 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0.0 0.1 0.2 0.3 04 0.5 0.6 0.7 0.8 x (Dichloromethane), mol. frac. 0.9 1.0 80 75 70 65 00 T(°C) 8 55 50 45 40 35 0.0 Txy Plot for Dichloromethane/Ethyl Acetate 0.1 0.2 0.3 0.4 0.5 0.6 -Y 0.7 08 0.9 10 x,y (Dichloromethane), mol.frac.

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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A mixture of dichloromethane (1) and ethyl acetate (2) and is separated in a flash drum at 1 bar. a) Feed rate is 150 kmol/h. Feed enters at 27 mol% dichloromethane and 36% of the feed is vaporized. What are the flowrates and composition of the vapor and liquid fractions? b) Feed rate is 750 lb mol/h. Feed is 20 mol% dichloromethane and a liquid product of 13 mol% dichloromethane is desired. What V/F must be used? Find product flow rates and composition. c) Feed rate is 200 lb mol/h. Feed is 79 mol% dichloromethane and a vapor product of 6 mol% ethyl acetate is desired. What V/F must be used? Find product flow rates and composition. The equilibrium data for ethyl acetate (1)/dichloromethane (2) is given: Dichloromethane/Ethyl Acetate y (Dichloromethane), mol. frac. 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 x (Dichloromethane), mol. frac. 0.9 1.0 2 2 2 2 2 2 2 T(°C) 80 8 8 8 75 65 55 50 45 40 35 0.0 Txy Plot for Dichloromethane/Ethyl Acetate 0.1 0.2 -x-y 0.3 0.4 0.5 0.6 0.7 0.8 x,y (Dichloromethane), mol.frac. 0.9 1.0
Transcribed Image Text:A mixture of dichloromethane (1) and ethyl acetate (2) and is separated in a flash drum at 1 bar. a) Feed rate is 150 kmol/h. Feed enters at 27 mol% dichloromethane and 36% of the feed is vaporized. What are the flowrates and composition of the vapor and liquid fractions? b) Feed rate is 750 lb mol/h. Feed is 20 mol% dichloromethane and a liquid product of 13 mol% dichloromethane is desired. What V/F must be used? Find product flow rates and composition. c) Feed rate is 200 lb mol/h. Feed is 79 mol% dichloromethane and a vapor product of 6 mol% ethyl acetate is desired. What V/F must be used? Find product flow rates and composition. The equilibrium data for ethyl acetate (1)/dichloromethane (2) is given: Dichloromethane/Ethyl Acetate y (Dichloromethane), mol. frac. 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 x (Dichloromethane), mol. frac. 0.9 1.0 2 2 2 2 2 2 2 T(°C) 80 8 8 8 75 65 55 50 45 40 35 0.0 Txy Plot for Dichloromethane/Ethyl Acetate 0.1 0.2 -x-y 0.3 0.4 0.5 0.6 0.7 0.8 x,y (Dichloromethane), mol.frac. 0.9 1.0
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A mixture of dichloromethane (1) and ethyl acetate (2) and is separated in a flash drum at 1 bar. a) The flash drum is operated such that the liquid mole fraction is 33 mol % dichloromethane, liquid product rate is 500 kmol/h, and 19.5 % of the feed is vaporized. What must the feed flowrate and composition of the feed be? b) The flash drum is operated such that the vapor mole fraction is 81 mol % dichloromethane, vapor product rate is 1750 kmol/h, and 70 % of the feed is vaporized. What must the feed flowrate and composition of the feed be? c) The feed composition is 35 mol% and the drum temperature is 67 °C. Find the fraction of feed vaporized and the composition of the liquid and vapor products. (1)/dichloromethane (2) is given: equilibrium data for ethyl acetate Dichloromethane/Ethyl Acetate The y (Dichloromethane), mol. frac. 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 x (Dichloromethane), mol. frac. 0.9 1.0 T (°C) 80 75 70 65 60 56 50 45 40 35 0.0 Txy Plot for Dichloromethane/Ethyl Acetate 0.1 0.2 0.3 0.4 0.5 x, y (Dichloromethane), mol.frac. -x-y 0.6 0.7 0.8 0.9 1.0
Transcribed Image Text:A mixture of dichloromethane (1) and ethyl acetate (2) and is separated in a flash drum at 1 bar. a) The flash drum is operated such that the liquid mole fraction is 33 mol % dichloromethane, liquid product rate is 500 kmol/h, and 19.5 % of the feed is vaporized. What must the feed flowrate and composition of the feed be? b) The flash drum is operated such that the vapor mole fraction is 81 mol % dichloromethane, vapor product rate is 1750 kmol/h, and 70 % of the feed is vaporized. What must the feed flowrate and composition of the feed be? c) The feed composition is 35 mol% and the drum temperature is 67 °C. Find the fraction of feed vaporized and the composition of the liquid and vapor products. (1)/dichloromethane (2) is given: equilibrium data for ethyl acetate Dichloromethane/Ethyl Acetate The y (Dichloromethane), mol. frac. 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 x (Dichloromethane), mol. frac. 0.9 1.0 T (°C) 80 75 70 65 60 56 50 45 40 35 0.0 Txy Plot for Dichloromethane/Ethyl Acetate 0.1 0.2 0.3 0.4 0.5 x, y (Dichloromethane), mol.frac. -x-y 0.6 0.7 0.8 0.9 1.0
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