Each of the intermediate distillate products appears to be shown as a side stream removed from the column as a vapor stream from a stage. What (if any) benefit would you suggest there might be for pulling a side stream as a vapor (instead of drawing off the liquid from the stage)?

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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Each of the intermediate distillate products appears to be shown as a side stream removed from the column as a vapor stream from a stage. What (if any) benefit would you suggest there might be for pulling a side stream as a vapor (instead of drawing off the liquid from the stage)?

Distillation
Column
Overhead
mo.
Vapor
Reflux
Drum
Reflux
dun,
Distillate
Reflux
Distillate
dunnp
Feed
Reflux
val
tL
Distillate
dund
Vapor
Reboiler
weais
Condensate
feed
Bottoms
Bottoms
liquid
product
PJE
Condenser
cw Cooling water
t Upflowing vapor
fDownflowing liquid
Transcribed Image Text:Distillation Column Overhead mo. Vapor Reflux Drum Reflux dun, Distillate Reflux Distillate dunnp Feed Reflux val tL Distillate dund Vapor Reboiler weais Condensate feed Bottoms Bottoms liquid product PJE Condenser cw Cooling water t Upflowing vapor fDownflowing liquid
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