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Q4: A wetted wall column of inside diameter (2 in) contains air and CO2 flowing at 3 ft/s. At a certain point in the column, the CO2 concentration in the air is 0.1 mol fraction, at the same point in the column, the concentration of CO2 in the water at the water – air interface is 0.005 mole fraction. The column operates at 10 atm and 25 oC. Calculate the mass transfer coefficient and the mass flux at the point of consideration, given the following data: The diffusivity of CO2 in air at 25 C° and 1 atm = 0.164 cm2/s The density of air at STP = 0.0808 lb/ft3 The viscosity of air at 25 C° and 10 atm = 0.018 cP Hennery constant = 1640 atm / mol fraction

Q4: A wetted wall column of inside diameter (2 in) contains air and CO2 flowing at 3 ft/s. At a certain point in the column, the CO2 concentration in the air is 0.1 mol fraction, at the same point in the column, the concentration of CO2 in the water at the water – air interface is 0.005 mole fraction. The column operates at 10 atm and 25 oC. Calculate the mass transfer coefficient and the mass flux at the point of consideration, given the following data: The diffusivity of CO2 in air at 25 C° and 1 atm = 0.164 cm2/s The density of air at STP = 0.0808 lb/ft3 The viscosity of air at 25 C° and 10 atm = 0.018 cP Hennery constant = 1640 atm / mol fraction

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
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Q4: A wetted wall column of inside diameter (2 in) contains air and CO2 flowing at 3 ft/s. At a certain point in the column, the C02 concentration in the air is 0.1 mol fraction, at the same point in the column, the concentration of CO2 in the water at the water – air interface is 0.005 mole fraction. The column operates at 10 atm and 25 oC. Calculate the mass transfer coefficient and the mass flux at the point of consideration, given the following data: The diffusivity of CO2 in air at 25 C° and 1 atm = 0.164 cm2/s The density of air at STP = 0.0808 lb/ft3 The viscosity of air at 25 C° and 10 atm = 0.018 cP Hennery constant = 1640 atm / mol fraction
Transcribed Image Text:Q4: A wetted wall column of inside diameter (2 in) contains air and CO2 flowing at 3 ft/s. At a certain point in the column, the C02 concentration in the air is 0.1 mol fraction, at the same point in the column, the concentration of CO2 in the water at the water – air interface is 0.005 mole fraction. The column operates at 10 atm and 25 oC. Calculate the mass transfer coefficient and the mass flux at the point of consideration, given the following data: The diffusivity of CO2 in air at 25 C° and 1 atm = 0.164 cm2/s The density of air at STP = 0.0808 lb/ft3 The viscosity of air at 25 C° and 10 atm = 0.018 cP Hennery constant = 1640 atm / mol fraction
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