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(c) In a binary distillation process, a vapour mixture of hydrocarbons A and B is in contact with a liquid mixture of the same components. Component A is transferred from the liquid to the vapour phase, whilst component B is transferred in the opposite direction. Both components are diffusing through a gas film of 0.15 mm in thickness. The operating temperature is 90°C and the operating pressure is one atmosphere. The latent heats of vaporisation of these binary mixtures are assumed to be the same. The mole fraction of component A is 0.75 on one side of the film and 0.25 on the other side of the film. Calculate the rate of diffusion of A and B in kg h-1 through 1 m² of area. Data for Question 3: Diffusivities at 95°C and 1 atm are 0.1986 cm²s-1. 1 kmol of ideal gas occupies 22.4 m at 273 K and 1 atm. The molecular weight of A is 46 kg kmol-1. The molecular weight of B is 60 kg kmol-1.

(c) In a binary distillation process, a vapour mixture of hydrocarbons A and B is in contact with a liquid mixture of the same components. Component A is transferred from the liquid to the vapour phase, whilst component B is transferred in the opposite direction. Both components are diffusing through a gas film of 0.15 mm in thickness. The operating temperature is 90°C and the operating pressure is one atmosphere. The latent heats of vaporisation of these binary mixtures are assumed to be the same. The mole fraction of component A is 0.75 on one side of the film and 0.25 on the other side of the film. Calculate the rate of diffusion of A and B in kg h-1 through 1 m² of area. Data for Question 3: Diffusivities at 95°C and 1 atm are 0.1986 cm²s-1. 1 kmol of ideal gas occupies 22.4 m at 273 K and 1 atm. The molecular weight of A is 46 kg kmol-1. The molecular weight of B is 60 kg kmol-1.

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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(c) In a binary distillation process, a vapour mixture of hydrocarbons A and B is in contact with a liquid mixture of the same components. Component A is transferred from the liquid to the vapour phase, whilst component B is transferred in the opposite direction. Both components are diffusing through a gas film of 0.15 mm in thickness. The operating temperature is 90°C and the operating pressure is one atmosphere. The latent heats of vaporisation of these binary mixtures are assumed to be the same. The mole fraction of component A is 0.75 on one side of the film and 0.25 on the other side of the film. Calculate the rate of diffusion of A and B in kg h-1 through 1 m² of area. Data for Question 3: Diffusivities at 95°C and 1 atm are 0.1986 cm?s-1. 1 kmol of ideal gas occupies 22.4 m at 273 K and 1 atm. The molecular weight of A is 46 kg kmol-1. The molecular weight of B is 60 kg kmol-1.
Transcribed Image Text:(c) In a binary distillation process, a vapour mixture of hydrocarbons A and B is in contact with a liquid mixture of the same components. Component A is transferred from the liquid to the vapour phase, whilst component B is transferred in the opposite direction. Both components are diffusing through a gas film of 0.15 mm in thickness. The operating temperature is 90°C and the operating pressure is one atmosphere. The latent heats of vaporisation of these binary mixtures are assumed to be the same. The mole fraction of component A is 0.75 on one side of the film and 0.25 on the other side of the film. Calculate the rate of diffusion of A and B in kg h-1 through 1 m² of area. Data for Question 3: Diffusivities at 95°C and 1 atm are 0.1986 cm?s-1. 1 kmol of ideal gas occupies 22.4 m at 273 K and 1 atm. The molecular weight of A is 46 kg kmol-1. The molecular weight of B is 60 kg kmol-1.
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