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It is required to find the number of theoretica

It is required to find the number of theoretica

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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Q.1. A mixture of ethyl alcohol and water containing 40 mole per cent ethyl alcohol is to be separated to give a product containing 90 mole per cent ethyl alcohol at the top, and a bottom product containing not more than 10 mole per cent water. The feed enters the column at its boiling point, and the vapour leaving the column which is condensed but not cooled, provides reflux and product. It is proposed to operate the unit with a reflux ratio of 3 kmol/kmol product. It is required to find the number of theoretical plates needed and the position of entry for the feed. The equilibrium date at 100 kN/m² is given in following table. Equilibrium data for mole fraction of ethyl alcohol in liquid and in vapor 0.2 0.3 0.562 0.577 0.615 | 0.655 | 0.7 X 0.1 0.4 0.5 0.6 0.7 0.8 0.89 0.43 0.754 0.82 0.89
Transcribed Image Text:Q.1. A mixture of ethyl alcohol and water containing 40 mole per cent ethyl alcohol is to be separated to give a product containing 90 mole per cent ethyl alcohol at the top, and a bottom product containing not more than 10 mole per cent water. The feed enters the column at its boiling point, and the vapour leaving the column which is condensed but not cooled, provides reflux and product. It is proposed to operate the unit with a reflux ratio of 3 kmol/kmol product. It is required to find the number of theoretical plates needed and the position of entry for the feed. The equilibrium date at 100 kN/m² is given in following table. Equilibrium data for mole fraction of ethyl alcohol in liquid and in vapor 0.2 0.3 0.562 0.577 0.615 | 0.655 | 0.7 X 0.1 0.4 0.5 0.6 0.7 0.8 0.89 0.43 0.754 0.82 0.89
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