A process stream is to be separated using a distillation column. The feed composition and relative volatilities (independent of temperature) are as follows: Component z(mole fraction) sigma 1 0.1 2.0 0.4 1.8 2.
A process stream is to be separated using a distillation column. The feed composition and relative volatilities (independent of temperature) are as follows: Component z(mole fraction) sigma 1 0.1 2.0 0.4 1.8 2.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:A process stream is to be separated using a
distillation column. The feed composition and
relative volatilities (independent of temperature)
are as follows:
Component z(mole fraction) sigma
1
0.1
2.0
2
0.4
1.8
3
0.4
1.0
4.
0.1
0.8
The feed flow rate is 100 mol/hr
Component 2 molar flow rate (distillate) d2=
39.6 mol/hr
Component 3 molar flow rate (bottoms) b3=
39.2 mol/hr
A. For the above separation determine the
number of equilibrium stages at total reflux.
B. What is the composition of the distillate and
bottoms at total reflux for the minimum number
of stages found in part A.
C. Assuming a class 1 separation estimate the
internal minimum reflux ratio. Assume the feed
is a saturated liquid.
D. What is the composition of the distillate and
bottoms at the minimum reflux ratio (with an
infinite number of equilibrium stages)? Does the
mixture distribute as a clas 1 separation?
E. Calculate the number of stages required for
operation at a reflux ratio of 1.3 times the
minimum reflux ratio.
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