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3. A process composed of two towers is used to absorb the solute SO2 (A) from a gas mixture SO2 (A) and CHa (B). 100 moles of SO2 - CHa gas mixture composed of 40 mol% SO2 (A) and balance CH4 (B) is fed to the first tower. A liquid mixture composed of 1 mol% SO2 (A) and balance C3HG0 (C) is recycled from the second column and entered to the first column. The product gas leaving the first column contains all of the CH, that enters the first column and the stream composed of 5% SO2. The liquid outlet stream of first column composed of SO2-C3H6O is fed to the second column. A 200 moles of N2 gas is also fed to the second column. 95% of the SO2 in the SO2-C3HGO liquid stream fed to the second column is absorbed by N2 and obtained as a second product. а. Draw the flow chart. b. Make a DOF analysis. c. Calculate the compositions of all streams. с.

3. A process composed of two towers is used to absorb the solute SO2 (A) from a gas mixture SO2 (A) and CHa (B). 100 moles of SO2 - CHa gas mixture composed of 40 mol% SO2 (A) and balance CH4 (B) is fed to the first tower. A liquid mixture composed of 1 mol% SO2 (A) and balance C3HG0 (C) is recycled from the second column and entered to the first column. The product gas leaving the first column contains all of the CH, that enters the first column and the stream composed of 5% SO2. The liquid outlet stream of first column composed of SO2-C3H6O is fed to the second column. A 200 moles of N2 gas is also fed to the second column. 95% of the SO2 in the SO2-C3HGO liquid stream fed to the second column is absorbed by N2 and obtained as a second product. а. Draw the flow chart. b. Make a DOF analysis. c. Calculate the compositions of all streams. с.

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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3. A process composed of two towers is used to absorb the solute SO2 (A) from a gas mixture of SO2 (A) and CHa (B). 100 moles of SO2 - CHa gas mixture composed of 40 mol% SO2 (A) and balance CH4 (B) is fed to the first tower. A liquid mixture composed of 1 mol% SO2 (A) and balance C3Hg0 (C) is recycled from the second column and entered to the first column. The product gas leaving the first column contains all of the CHa that enters the first column and the stream composed of 5% SO2. The liquid outlet stream of first column composed of SOz-C3H60 is fed to the second column. A 200 moles of N2 gas is also fed to the second column. 95% of the 502 in the SO2-C3HGO liquid stream fed to the second column is absorbed by N2 and obtained as a second product. a. Draw the flow chart. b. Make a DOF analysis. C. Calculate the compositions of all streams.
Transcribed Image Text:3. A process composed of two towers is used to absorb the solute SO2 (A) from a gas mixture of SO2 (A) and CHa (B). 100 moles of SO2 - CHa gas mixture composed of 40 mol% SO2 (A) and balance CH4 (B) is fed to the first tower. A liquid mixture composed of 1 mol% SO2 (A) and balance C3Hg0 (C) is recycled from the second column and entered to the first column. The product gas leaving the first column contains all of the CHa that enters the first column and the stream composed of 5% SO2. The liquid outlet stream of first column composed of SOz-C3H60 is fed to the second column. A 200 moles of N2 gas is also fed to the second column. 95% of the 502 in the SO2-C3HGO liquid stream fed to the second column is absorbed by N2 and obtained as a second product. a. Draw the flow chart. b. Make a DOF analysis. C. Calculate the compositions of all streams.
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