The true density of the solid material in an activated alumina particle is 3.675 g/cm3. The density of the particle determined by mercury displacement is 1.547 g/cm3. The surface area (Sg) by adsorption measurement is 175 m²/g. The bulk density of bed (which is defined as mass of catalyst particle per volume of reactor bed) is 0.81 g/cm³. From this information, Determine, a) the pore (void) volume per gram, b) the porosity of the particles, c) the mean pore radius (ā), d) what fraction of the total volume of the bed is void space between the particles, e) what fraction of the total volume of the bed is void within the particles
The true density of the solid material in an activated alumina particle is 3.675 g/cm3. The density of the particle determined by mercury displacement is 1.547 g/cm3. The surface area (Sg) by adsorption measurement is 175 m²/g. The bulk density of bed (which is defined as mass of catalyst particle per volume of reactor bed) is 0.81 g/cm³. From this information, Determine, a) the pore (void) volume per gram, b) the porosity of the particles, c) the mean pore radius (ā), d) what fraction of the total volume of the bed is void space between the particles, e) what fraction of the total volume of the bed is void within the particles
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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The true density of the solid material in an activated alumina particle is 3.675 g/cm3. The density of the particle determined by mercury displacement is 1.547 g/cm3. The surface area (Sg) by adsorption measurement is 175 m²/g. The bulk density of bed (which is defined as mass of catalyst particle per volume of reactor bed) is 0.81 g/cm³. From this information, Determine, a) the pore (void) volume per gram, b) the porosity of the particles, c) the mean pore radius (ā), d) what fraction of the total volume of the bed is void space between the particles, e) what fraction of the total volume of the bed is void within the particles
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