Problem 3.3: A 0.8 cm diameter bubble of pure CO2 is injected into an excess well-stirred liquid at 25 C. The bubble diameter shrinks to 0.2 cm after 80 s. Calculate the average value of the mass transfer coefficient KL and Kx. How long will it take for the bubble to vanish if the mass transfer coefficient remains constant? The following data are available: (a) Total pressure = 1 atm (b) solubility of CO2 in.water = 1.45 x 103 mole fraction (c) diffusivity of CO2 in water=1.9 x 10$ cm/s
Problem 3.3: A 0.8 cm diameter bubble of pure CO2 is injected into an excess well-stirred liquid at 25 C. The bubble diameter shrinks to 0.2 cm after 80 s. Calculate the average value of the mass transfer coefficient KL and Kx. How long will it take for the bubble to vanish if the mass transfer coefficient remains constant? The following data are available: (a) Total pressure = 1 atm (b) solubility of CO2 in.water = 1.45 x 103 mole fraction (c) diffusivity of CO2 in water=1.9 x 10$ cm/s
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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Transcribed Image Text:Example Problems (Problems 3.3 and 3.14 of BK Dutta)
Problem 3.3: A 0.8 cm diameter bubble of pure CO2 is injected into an excess well-stirred
liquid at 25 C. The bubble diameter shrinks to 0.2 cm after 80 s. Calculate the average value
of the mass transfer coefficient KL and Kx. How long will it take for the bubble to vanish if the
mass transfer coefficient remains constant? The following data are available: (a) Total
= 1 atm (b) solubility of CO2 in.water = 1.45 x 103 mole fraction (c) diffusivity of
pressure
CO2 in water=1.9 x 10S cm/s
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