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Exercise 3.3 A gas stream consists of 90 mole% N2 and 10 mole % CO2. We wish to absorb the CO₂ into water. The inlet water is pure and is at 5°C. Because of cooling coils the operation can be assumed to be isothermal. Operation is at 10 bar. If the liquid flow rate is 1.5 times the minimum liquid flow rate, how many equilibrium stages are required to absorb 92% of the CO2. Choose a basis of 1 mole/hr of enter- ing gas. The Henry coefficient of CO2 in water at 5°C is 875 bar.

Exercise 3.3 A gas stream consists of 90 mole% N2 and 10 mole % CO2. We wish to absorb the CO₂ into water. The inlet water is pure and is at 5°C. Because of cooling coils the operation can be assumed to be isothermal. Operation is at 10 bar. If the liquid flow rate is 1.5 times the minimum liquid flow rate, how many equilibrium stages are required to absorb 92% of the CO2. Choose a basis of 1 mole/hr of enter- ing gas. The Henry coefficient of CO2 in water at 5°C is 875 bar.

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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Exercise 3.3 A gas stream consists of 90 mole% N2 and 10 mole % CO2. We wish to absorb the CO₂ into water. The inlet water is pure and is at 5°C. Because of cooling coils the operation can be assumed to be isothermal. Operation is at 10 bar. If the liquid flow rate is 1.5 times the minimum liquid flow rate, how many equilibrium stages are required to absorb 92% of the CO2. Choose a basis of 1 mole/hr of enter- ing gas. The Henry coefficient of CO2 in water at 5°C is 875 bar.
Transcribed Image Text:Exercise 3.3 A gas stream consists of 90 mole% N2 and 10 mole % CO2. We wish to absorb the CO₂ into water. The inlet water is pure and is at 5°C. Because of cooling coils the operation can be assumed to be isothermal. Operation is at 10 bar. If the liquid flow rate is 1.5 times the minimum liquid flow rate, how many equilibrium stages are required to absorb 92% of the CO2. Choose a basis of 1 mole/hr of enter- ing gas. The Henry coefficient of CO2 in water at 5°C is 875 bar.
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