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Example 5:- During the batch drying test of a wet slab of material 0.35 m² and 7 mm thick, the falling rate 'R' was expressed as 0.95 (X-0.01) where 'R' is the drying rate in kg/ m2 .scc and X is the moisture content in kg moisture/kg dry solid. The constant drying rate was 0.38 kg/ m2 sec and slab was dried from one side only with the edges sealed. Density of the dry material is 1200 kg/m.. It is desired to reduce the moisture content from 35% to 5% on wet basis. What is the time needed for drying the material?.

Example 5:- During the batch drying test of a wet slab of material 0.35 m² and 7 mm thick, the falling rate 'R' was expressed as 0.95 (X-0.01) where 'R' is the drying rate in kg/ m2 .scc and X is the moisture content in kg moisture/kg dry solid. The constant drying rate was 0.38 kg/ m2 sec and slab was dried from one side only with the edges sealed. Density of the dry material is 1200 kg/m.. It is desired to reduce the moisture content from 35% to 5% on wet basis. What is the time needed for drying the material?.

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
Problem 1.1P
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Example 5:- During the batch drying test of a wet slab of material 0.35 m² and 7 mm thick, the falling rare 'R' was expressed as 0.95 (X-0.01) where 'R' is the drying rate in kg/m2.scc and X is the moisture content in kg moisture/kg dry solid. The constant drying rate was 0.38 kg/ m2 .sec and slab was dried from one side only with the edges sealed. Density of the dry material is 1200 kg/m.. It is desired to reduce the moisture content from 35% to 5% on wet basis. What is the time needed for drying the material?.
Transcribed Image Text:Example 5:- During the batch drying test of a wet slab of material 0.35 m² and 7 mm thick, the falling rare 'R' was expressed as 0.95 (X-0.01) where 'R' is the drying rate in kg/m2.scc and X is the moisture content in kg moisture/kg dry solid. The constant drying rate was 0.38 kg/ m2 .sec and slab was dried from one side only with the edges sealed. Density of the dry material is 1200 kg/m.. It is desired to reduce the moisture content from 35% to 5% on wet basis. What is the time needed for drying the material?.
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