A saturated vapor feed that is 90 %mol maleic anhydride and 10%mol benzoic acid is distilled at 99.8 torr to give a distillate that is 99.5 %mol maleic anhydride and a bottoms that is 0.5 %mol maleic anhydride. How many equilibrium stages are needed using a reflux ratio that is 1.6 times the minimum? The solution is ideal in both vapor and liquid stages. Vapor pressures can be estimated with the following Antoine equations in °C and torr: Maleic anhydride: ?(saturation)= exp (16.6541 − 4.088.12/(T+203.924)) Benzoic acid: ?(saturation)= exp (23.0155 − 9336.97/(T+321.434)
A saturated vapor feed that is 90 %mol maleic anhydride and 10%mol benzoic acid is distilled at 99.8 torr to give a distillate that is 99.5 %mol maleic anhydride and a bottoms that is 0.5 %mol maleic anhydride. How many equilibrium stages are needed using a reflux ratio that is 1.6 times the minimum? The solution is ideal in both vapor and liquid stages. Vapor pressures can be estimated with the following Antoine equations in °C and torr: Maleic anhydride: ?(saturation)= exp (16.6541 − 4.088.12/(T+203.924)) Benzoic acid: ?(saturation)= exp (23.0155 − 9336.97/(T+321.434)
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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A saturated vapor feed that is 90 %mol maleic anhydride and 10%mol benzoic acid is distilled
at 99.8 torr to give a distillate that is 99.5 %mol maleic anhydride and a bottoms that is 0.5 %mol
maleic anhydride. How many equilibrium stages are needed using a reflux ratio that is 1.6 times
the minimum?
The solution is ideal in both vapor and liquid stages. Vapor pressures can be estimated with the
following Antoine equations in °C and torr:
Maleic anhydride: ?(saturation)= exp (16.6541 − 4.088.12/(T+203.924))
Benzoic acid: ?(saturation)= exp (23.0155 − 9336.97/(T+321.434)
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