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Acetone is being absorbed from air using water as the solvent. Operation is at 1 atm and is isothermal at 20 C. The total flow rate of entering gas is 100 kmol/h. The entering gas is 12 mol % acetone. Pure water is used as solvent. The water flow rate is 150 kmol/h. We desire an outlet gas concentration of 1 mol %. The equilibrium data are:     Mole frac acetone in liquid, x Mole frac acetone in gas, y 0 0 0.0333 0.0395 0.0720 0.0826 0.1170 0.1124   Find the mole ratio of acetone in the outlet liquid. Find the number of equilibrium stages required. (work in mole ratio units) (attached the graph of your solution)

Acetone is being absorbed from air using water as the solvent. Operation is at 1 atm and is isothermal at 20 C. The total flow rate of entering gas is 100 kmol/h. The entering gas is 12 mol % acetone. Pure water is used as solvent. The water flow rate is 150 kmol/h. We desire an outlet gas concentration of 1 mol %. The equilibrium data are:     Mole frac acetone in liquid, x Mole frac acetone in gas, y 0 0 0.0333 0.0395 0.0720 0.0826 0.1170 0.1124   Find the mole ratio of acetone in the outlet liquid. Find the number of equilibrium stages required. (work in mole ratio units) (attached the graph of your solution)

Introduction to Chemical Engineering Thermodynamics
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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Acetone is being absorbed from air using water as the solvent. Operation is at 1 atm and is isothermal at 20 C. The total flow rate of entering gas is 100 kmol/h. The entering gas is 12 mol % acetone. Pure water is used as solvent. The water flow rate is 150 kmol/h. We desire an outlet gas concentration of 1 mol %.

The equilibrium data are:

 

 

Mole frac acetone in liquid, x

Mole frac acetone in gas, y

0

0

0.0333

0.0395

0.0720

0.0826

0.1170

0.1124

 

  • Find the mole ratio of acetone in the outlet liquid.
  • Find the number of equilibrium stages required.

(work in mole ratio units)

(attached the graph of your solution)

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