feedback to help with ques - a) This required the definition of Reflux Ratio as well as a total balance on the condenser. b) The operating line is obtained from a balance between stage i and the top of the column. Vapour leaving stage i has composition yi and liquid entering from the stage above has composition, xi+1. Q2. (i)Lr=54.0 mol/s, Vr=84.0 mol/s; (ii) Lr=150.8 mol/s, Vr=202.8 mol/s;(iii) Lr=299.0 mol/s; Vr=429.0 mol/s; y=0.242 2) a) Determine the vapour and liquid flowrates in the rectification section of thecolumn (VR and LR) in each of the following cases, where D is the distillate molarflowrate, Xd is the mole fraction of the more volatile component in the distillate and Ris the reflux ratio. You may assume that the molar enthalpies of saturated vapourand of saturated liquid are each constant.b) In each of these cases determine the gradient of the 'operating line'* for thesection of the column above the feed and determine where the operating line wouldcut the y-axis on an x-y diagram.| (i)(ii)(iii)D/mol s-13052130R1.82.92.3Xd0.80.80.8

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Answered: rectification section

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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feedback to help with ques - a) This required the definition of Reflux Ratio as well as a total balance on the condenser. b) The operating line is obtained from a balance between stage i and the top of the column. Vapour leaving stage i has composition yi and liquid entering from the stage above has composition, xi+1.

Q2. (i)Lr=54.0 mol/s, Vr=84.0 mol/s; (ii) Lr=150.8 mol/s, Vr=202.8 mol/s;(iii) Lr=299.0 mol/s; Vr=429.0 mol/s; y=0.242