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Q3) A spherical granular solid material with a diameter of 3.5 mm is to be drying in a packed bed from the initial moisture content 1.5 kg H2O/kg dry solid and the equilibrium moisture is 0.025 kg H,O/kg dry solid. The density of the dry solid is 1550 kg/m. The length of bed is 100 mm with 30 cm diameter. The bulk density of the dry solid in the bed is p= 734 kg/m³. The inlet air has a humidity 0.05 kg H,O/ kg dry air and a temperature 119 °C. The gas superficial velocity is 0.9 m/s and the gas passes through the bed. The total critical moisture content is 0.45. Calculate the total time to dry the solids to 0.1 kg H20/kg dry solid, viscosity of air at this operation temp.= 2.23 * 10 kg/m?.s

Q3) A spherical granular solid material with a diameter of 3.5 mm is to be drying in a packed bed from the initial moisture content 1.5 kg H2O/kg dry solid and the equilibrium moisture is 0.025 kg H,O/kg dry solid. The density of the dry solid is 1550 kg/m. The length of bed is 100 mm with 30 cm diameter. The bulk density of the dry solid in the bed is p= 734 kg/m³. The inlet air has a humidity 0.05 kg H,O/ kg dry air and a temperature 119 °C. The gas superficial velocity is 0.9 m/s and the gas passes through the bed. The total critical moisture content is 0.45. Calculate the total time to dry the solids to 0.1 kg H20/kg dry solid, viscosity of air at this operation temp.= 2.23 * 10 kg/m?.s

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
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Q3) A spherical granular solid material with a diameter of 3.5 mm is to be drying in a packed bed from the initial moisture content 1.5 kg H2O/kg dry solid and the equilibrium moisture is 0.025 kg H,O/kg dry solid. The density of the dry solid is 1550 kg/m. The length of bed is 100 mm with 30 cm diameter. The bulk density of the dry solid in the bed is p = 734 kg/m. The inlet air has a humidity 0.05 kg H2O/ kg dry air and a temperature 119 °C. The gas superficial velocity is 0.9 m/s and the gas passes through the bed. The total critical moisture content is 0.45. Calculate the total time to dry the solids to 0.1 kg H20/kg dry solid, viscosity of air at this operation temp.= 2.23 * 10* kg/m².s
Transcribed Image Text:Q3) A spherical granular solid material with a diameter of 3.5 mm is to be drying in a packed bed from the initial moisture content 1.5 kg H2O/kg dry solid and the equilibrium moisture is 0.025 kg H,O/kg dry solid. The density of the dry solid is 1550 kg/m. The length of bed is 100 mm with 30 cm diameter. The bulk density of the dry solid in the bed is p = 734 kg/m. The inlet air has a humidity 0.05 kg H2O/ kg dry air and a temperature 119 °C. The gas superficial velocity is 0.9 m/s and the gas passes through the bed. The total critical moisture content is 0.45. Calculate the total time to dry the solids to 0.1 kg H20/kg dry solid, viscosity of air at this operation temp.= 2.23 * 10* kg/m².s
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