A new configuration and membrane material has been proposed to protect catalyst particles. In this setup the diffusion of component A only occurs through the top face. The dimensions of the top face are 100cm x 100cm. The thickness is 0.1cm. An aqueous solution (with the properties of water) containing component A is flowing over the top face. Once component A reaches the catalyst compartment it is instantaneously consumed by the catalyst at a constant rate of 4500mg/hour. The effective diffusivity of component A through this new membrane is 2 x 10-6 cm2/s. 1. If the Reynolds number of the carrier fluid is not to exceed 100000 calculate the mass transfer coefficient and the fluid velocity. (The diffusivity of component A in the carrier fluid is 4x10 -5 cm 2 /s and the system temperature is 20 o C) 2. If the consumption of component A is a constant value of 4500 mg/hour , what does the concentration of component A need to be in the bulk fluid layer of the carrier fluid to maintain this consumption rate?
A new configuration and membrane material has been proposed to protect catalyst particles. In this setup the diffusion of component A only occurs through the top face. The dimensions of the top face are 100cm x 100cm. The thickness is 0.1cm. An aqueous solution (with the properties of water) containing component A is flowing over the top face. Once component A reaches the catalyst compartment it is instantaneously consumed by the catalyst at a constant rate of 4500mg/hour. The effective diffusivity of component A through this new membrane is 2 x 10-6 cm2/s. 1. If the Reynolds number of the carrier fluid is not to exceed 100000 calculate the mass transfer coefficient and the fluid velocity. (The diffusivity of component A in the carrier fluid is 4x10 -5 cm 2 /s and the system temperature is 20 o C) 2. If the consumption of component A is a constant value of 4500 mg/hour , what does the concentration of component A need to be in the bulk fluid layer of the carrier fluid to maintain this consumption rate?
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 new configuration and membrane material has been proposed to protect catalyst particles. In this setup the diffusion of component A only occurs through the top face. The dimensions of the top face are 100cm x 100cm. The thickness is 0.1cm. An aqueous solution (with the properties of water) containing component A is flowing over the top face. Once component A reaches the catalyst compartment it is instantaneously consumed by the catalyst at a constant rate of 4500mg/hour. The effective diffusivity of component A through this new membrane is 2 x 10-6 cm2/s.
1. If the Reynolds number of the carrier fluid is not to exceed 100000 calculate the mass transfer coefficient and the fluid velocity.
(The diffusivity of component A in the carrier fluid is 4x10 -5 cm 2 /s and the system temperature is 20 o C)
2. If the consumption of component A is a constant value of 4500 mg/hour , what does the concentration of component A need to be in the bulk fluid layer of the carrier fluid to maintain this consumption rate?
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