Q3(10 marks): A mixture with 33% n-hexane, 37% n-heptane, and 30% n-octane is to be distilled to give a distillate product with 0.01 mole fraction n-heptane and a bottoms product with 0.01 mole fraction n-hexane. The column will operate at 1.2 atm. 60% of the feed is vaporized. Calculate: 1- The complete product compositions. 2- Find Nin using Fenske formula. 3- Find Rin using Underwood formula.. 4- Estimate the number of ideal plates required if the reflux ratio is 1.5Rin Component Xr n-hexane 0.33 Volatility (K) 2.23 Ху つくん N24 ا... n-heptane 0.37 1.01 0 n-octane 0.30 0.462 545 445

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
Question
Q3(10 marks): A mixture with 33% n-hexane, 37% n-heptane, and 30% n-octane is
to be distilled to give a distillate product with 0.01 mole fraction n-heptane and a
bottoms product with 0.01 mole fraction n-hexane. The column will operate at
1.2 atm. 60% of the feed is vaporized. Calculate:
1- The complete product compositions.
2- Find Nin using Fenske formula.
3- Find Rin using Underwood formula..
4- Estimate the number of ideal plates required if the reflux ratio is 1.5Rin
Component
Xr
n-hexane
0.33
Volatility (K)
2.23
Ху
つくん
N24
ا...
n-heptane
0.37
1.01
0
n-octane
0.30
0.462
545
445
Transcribed Image Text:Q3(10 marks): A mixture with 33% n-hexane, 37% n-heptane, and 30% n-octane is to be distilled to give a distillate product with 0.01 mole fraction n-heptane and a bottoms product with 0.01 mole fraction n-hexane. The column will operate at 1.2 atm. 60% of the feed is vaporized. Calculate: 1- The complete product compositions. 2- Find Nin using Fenske formula. 3- Find Rin using Underwood formula.. 4- Estimate the number of ideal plates required if the reflux ratio is 1.5Rin Component Xr n-hexane 0.33 Volatility (K) 2.23 Ху つくん N24 ا... n-heptane 0.37 1.01 0 n-octane 0.30 0.462 545 445
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