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A packed column is used to absorb SO₂ from a gas mixture containing 8% SO2 and 92% air by mole. The flow rate of the feed gas is 440 kg/h. The SO₂ concentration of the outlet gas stream should not exceed 0.5%. At a rate of 14000 kg/h, H₂O is fed to the column as a liquid stream. In these operating conditions, the equilibrium relation can be expressed as y= 33.33x. If the transfer unit height of the gas phase is taken as Hoy = 0,60 m,

A packed column is used to absorb SO₂ from a gas mixture containing 8% SO2 and 92% air by mole. The flow rate of the feed gas is 440 kg/h. The SO₂ concentration of the outlet gas stream should not exceed 0.5%. At a rate of 14000 kg/h, H₂O is fed to the column as a liquid stream. In these operating conditions, the equilibrium relation can be expressed as y= 33.33x. If the transfer unit height of the gas phase is taken as Hoy = 0,60 m,

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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A packed column is used to absorb SO₂ from a gas mixture containing 8% SO2 and 92% air by mole. The flow rate of the feed gas is 440 kg/h. The SO₂ concentration of the outlet gas stream should not exceed 0.5%. At a rate of 14000 kg/h, H₂O is fed to the column as a liquid stream. In these operating conditions, the equilibrium relation can be expressed as y= 33.33x. If the transfer unit height of the gas phase is taken as Hoy = 0,60 m, a. Total number of transfer layers (Noy) [8 p.] NOTE: The gas flow rate through the column can be assumed to be constant. The liquid in the mole fraction XAO and the vapor in the mole fraction YA1* are in equilibrium. The liquid in the mole fraction XA1 and the vapor in the mole fraction YAD are in equilibrium. Noy = (YAO - YAO) - (YA1-YA1) (YAO - YAO) (YA1-YA1) In
Transcribed Image Text:A packed column is used to absorb SO₂ from a gas mixture containing 8% SO2 and 92% air by mole. The flow rate of the feed gas is 440 kg/h. The SO₂ concentration of the outlet gas stream should not exceed 0.5%. At a rate of 14000 kg/h, H₂O is fed to the column as a liquid stream. In these operating conditions, the equilibrium relation can be expressed as y= 33.33x. If the transfer unit height of the gas phase is taken as Hoy = 0,60 m, a. Total number of transfer layers (Noy) [8 p.] NOTE: The gas flow rate through the column can be assumed to be constant. The liquid in the mole fraction XAO and the vapor in the mole fraction YA1* are in equilibrium. The liquid in the mole fraction XA1 and the vapor in the mole fraction YAD are in equilibrium. Noy = (YAO - YAO) - (YA1-YA1) (YAO - YAO) (YA1-YA1) In
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