Answered: A distillation column which separates a…

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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Question

A distillation column which separates a mixture of ethanol and water at 101 kPa is equipped with a reboiler and a partial condenser. Equilibrium diagram with operating lines is attached. a) Sketch a figure of the distillation column. Expose the ethanol molar fractions for all inflows and outflows from the column and the location of all bottoms. b) Determine the Murphree efficiency and explain what it means. c) The inlet to the column is a vapor / liquid mixture. Determine the proportion of steam and liquid in the inflow. d) Determine the internal flows in the column per kmol of distillate. Note in the figure: Etanol/vatten = Ethanol/water

Etanol/vatten 101 kPa
1,00
0,90
0,80
0,70
0,60
Jo50
0,40
0,30
0,20
0,10
0,00
0,00
0,10
0,20
0,30
0,40
0,50
0,60
0,70
0,80
0,90
1,00
Yetanol

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