A single step differential batch still processes a mixture if two compounds having a volatility of 4.0. At the start if the batch separation, there are 600 moles of the more volatile compound A and 400 moles of the less volatile compound B in the kettle. When the remaining charge in the kettle is 50% B, how much total material has been boiled off, and what is the composition of the accumulated distillate? Given: Required: V and yA, YB no. of moles 600 At the start X; 0.6 A В 400 0.4 After distillation A 0.5 a = 4.0 B 0.5

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
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Sample Problem No.2
A single step differential batch still processes a mixture if two compounds
having a volatility of 4.0. At the start if the batch separation, there are 600
moles of the more volatile compound A and 400 moles of the less volatile
compound B in the kettle. When the remaining charge in the kettle is 50% B,
how much total material has been boiled off, and what is the composition
of the accumulated distillate?
Given:
Required: V and ya, YB
At the start
no. of moles
A
600
0.6
в
400
0.4
After distillation
A
0.5
a = 4.0
B
0.5
Transcribed Image Text:Sample Problem No.2 A single step differential batch still processes a mixture if two compounds having a volatility of 4.0. At the start if the batch separation, there are 600 moles of the more volatile compound A and 400 moles of the less volatile compound B in the kettle. When the remaining charge in the kettle is 50% B, how much total material has been boiled off, and what is the composition of the accumulated distillate? Given: Required: V and ya, YB At the start no. of moles A 600 0.6 в 400 0.4 After distillation A 0.5 a = 4.0 B 0.5
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