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A total feed of 200 mole h-1 having an overall composition of 42 mole % heptane and 58 mole % ethyl benzene is to be fractionated using distillation column at 101.3 kPa pressure to give a distillate containing 97 mole % heptane and bottoms containing 1.1 mol% heptane. The feed enters the tower partially vaporized with 60 mole % vapour. Equilibrium data are given in Table Q3.)(Use the graph paper sheet or Microsoft Excel software to answer this question. (Table Q3. Equilibrium data at 101.32 kPa absolute pressure for the mole fraction heptane хн апd ун) Suhu Pecahan mol Temperature Mole fraction K °C XH Ун 409.3 136.1 0.000 0.000 402.6 129.4 0.080 0.230 392.6 119.4 0.250 0.514 383.8 110.6 0.485 0.730 376.0 102.8 0.790 0.904 371.5 98.3 1.000 1.000 With a similar operating reflux ratio of 1.47RM, estimate the theoretical number of stages and feed stage number, if the feed stream under saturated liquid condition and the overall stage efficiency is 55%.

A total feed of 200 mole h-1 having an overall composition of 42 mole % heptane and 58 mole % ethyl benzene is to be fractionated using distillation column at 101.3 kPa pressure to give a distillate containing 97 mole % heptane and bottoms containing 1.1 mol% heptane. The feed enters the tower partially vaporized with 60 mole % vapour. Equilibrium data are given in Table Q3.)(Use the graph paper sheet or Microsoft Excel software to answer this question. (Table Q3. Equilibrium data at 101.32 kPa absolute pressure for the mole fraction heptane хн апd ун) Suhu Pecahan mol Temperature Mole fraction K °C XH Ун 409.3 136.1 0.000 0.000 402.6 129.4 0.080 0.230 392.6 119.4 0.250 0.514 383.8 110.6 0.485 0.730 376.0 102.8 0.790 0.904 371.5 98.3 1.000 1.000 With a similar operating reflux ratio of 1.47RM, estimate the theoretical number of stages and feed stage number, if the feed stream under saturated liquid condition and the overall stage efficiency is 55%.

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
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A total feed of 200 mole h-1 having an overall composition of 42 mole % heptane and 58 mole % ethyl benzene is to be fractionated using distillation column at 101.3 kPa pressure to give a distillate containing 97 mole % heptane and bottoms containing 1.1 mol% heptane. The feed enters the tower partially vaporized with 60 mole % vapour. Equilibrium data are given in Table Q3.)(Use the graph paper sheet or Microsoft Excel software to answer this question. (Table Q3. Equilibrium data at 101.32 kPa absolute pressure for the mole fraction heptane хн апd ун) Suhu Pecahan mol Тетреrature Mole fraction K °C Ун 409.3 136.1 0.000 0.000 402.6 129.4 0.080 0.230 392.6 119.4 0.250 0.514 383.8 110.6 0.485 0.730 376.0 102.8 0.790 0.904 371.5 98.3 1.000 1.000 With a similar operating reflux ratio of 1.47Rm, estimate the theoretical number of stages and feed stage number, if the feed stream under saturated liquid condition and the overall stage efficiency is 55%.
Transcribed Image Text:A total feed of 200 mole h-1 having an overall composition of 42 mole % heptane and 58 mole % ethyl benzene is to be fractionated using distillation column at 101.3 kPa pressure to give a distillate containing 97 mole % heptane and bottoms containing 1.1 mol% heptane. The feed enters the tower partially vaporized with 60 mole % vapour. Equilibrium data are given in Table Q3.)(Use the graph paper sheet or Microsoft Excel software to answer this question. (Table Q3. Equilibrium data at 101.32 kPa absolute pressure for the mole fraction heptane хн апd ун) Suhu Pecahan mol Тетреrature Mole fraction K °C Ун 409.3 136.1 0.000 0.000 402.6 129.4 0.080 0.230 392.6 119.4 0.250 0.514 383.8 110.6 0.485 0.730 376.0 102.8 0.790 0.904 371.5 98.3 1.000 1.000 With a similar operating reflux ratio of 1.47Rm, estimate the theoretical number of stages and feed stage number, if the feed stream under saturated liquid condition and the overall stage efficiency is 55%.
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