4. Five hundred kmol/h saturated liquid solution containing 53% Dimethylformamide, 42 % Water, 0.1 % Diethyl ether, 2.5% Ethanol, 2.4 % 1- Butene is separated in a plate rectification column at 1bar pressure. While all of the Diethyl ether and butane fed to the column is taken as the top product, all of the Dimethylformamide is taken as the bottom product. 99.95 % of the water and 80.70 % of the ethanol in the feed is recovered as bottom product. a) Identify the key components and explain how do you set them. Determine b) the compositions and flow rates of distillate and bottom products c) temperature of the feed, top and bottom of the column, d) the number of minimum number of stages required, e) the minimum reflux ratio, f) the number of ideal stages for a reflux ratio 1.5 times the minimum, g) the number of the stages at enriching and stripping sections. "Don't forget to include the Excel solution file when submitting the answers. (not screenshot!)" “Answers that only give results and have not been calculated will not be evaluated." B Antoine equation: logP" (bar) = A T(K)+C A B 1-Butene 4.24696 1099.207 -8.256 Diethyl ether 4.022 1062.64 -44.93 Ethanol 5.37229 1670.409 -40,191 Water 5.40221 1838.675 -31.737 Dimethylformamide 3.93068 1337.716 -82.648
4. Five hundred kmol/h saturated liquid solution containing 53% Dimethylformamide, 42 % Water, 0.1 % Diethyl ether, 2.5% Ethanol, 2.4 % 1- Butene is separated in a plate rectification column at 1bar pressure. While all of the Diethyl ether and butane fed to the column is taken as the top product, all of the Dimethylformamide is taken as the bottom product. 99.95 % of the water and 80.70 % of the ethanol in the feed is recovered as bottom product. a) Identify the key components and explain how do you set them. Determine b) the compositions and flow rates of distillate and bottom products c) temperature of the feed, top and bottom of the column, d) the number of minimum number of stages required, e) the minimum reflux ratio, f) the number of ideal stages for a reflux ratio 1.5 times the minimum, g) the number of the stages at enriching and stripping sections. "Don't forget to include the Excel solution file when submitting the answers. (not screenshot!)" “Answers that only give results and have not been calculated will not be evaluated." B Antoine equation: logP" (bar) = A T(K)+C A B 1-Butene 4.24696 1099.207 -8.256 Diethyl ether 4.022 1062.64 -44.93 Ethanol 5.37229 1670.409 -40,191 Water 5.40221 1838.675 -31.737 Dimethylformamide 3.93068 1337.716 -82.648
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
Transcribed Image Text:4. Five hundred kmol/h saturated liquid solution containing
53%
Dimethylformamide, 42 % Water, 0.1 % Diethyl ether, 2.5% Ethanol, 2.4 % 1-
Butene is separated in a plate rectification column at 1bar pressure. While
all of the Diethyl ether and butane fed to the column is taken as the top
product, all of the Dimethylformamide is taken as the bottom product. 99.95
% of the water and 80.70 % of the ethanol in the feed is recovered as bottom
product.
a) Identify the key components and explain how do you set them.
Determine
b) the compositions and flow rates of distillate and bottom products
c) temperature of the feed, top and bottom of the column,
d) the number of minimum number of stages required,
e) the minimum reflux ratio,
f) the number of ideal stages for a reflux ratio 1.5 times the minimum,
g) the number of the stages at enriching and stripping sections.
"Don't forget to include the Excel solution file when submitting the answers.
(not screenshot!)"
"Answers that only give results and have not been calculated will not be
evaluated."
B
Antoine equation: logP* (bar) :
= A -
T(K)+C
A
1-Butene
4.24696
1099.207
-8.256
Diethyl ether
4.022
1062.64
-44.93
Ethanol
5.37229
1670.409
-40,191
Water
5.40221
1838.675
-31.737
Dimethylformamide
3.93068
1337.716
-82.648
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