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03: A wet solid is to be dried in a tray dryer under steady state conditions from a free moisture content of X₁ =0.4 kgH₂O/kg dry solid to X2 0.02 kgH₂O/kg dry solid. The dry solid weight is 99.8kg dry solid and the top surface area for drying is 4.645m². the drying rate curve can be represented by Figure below. a- Calculate the time for drying using graphical integration in the falling rate period. b- Repeat but use a straight line through the organic for the drying rate in the falling rate period. Drying rate 20 0.8 0.4 Falling rate Constant rate 0.1 0,2 0.3 0.4 0.5 0.6 Free moisture X (kg H, O/kg dry solid)

03: A wet solid is to be dried in a tray dryer under steady state conditions from a free moisture content of X₁ =0.4 kgH₂O/kg dry solid to X2 0.02 kgH₂O/kg dry solid. The dry solid weight is 99.8kg dry solid and the top surface area for drying is 4.645m². the drying rate curve can be represented by Figure below. a- Calculate the time for drying using graphical integration in the falling rate period. b- Repeat but use a straight line through the organic for the drying rate in the falling rate period. Drying rate 20 0.8 0.4 Falling rate Constant rate 0.1 0,2 0.3 0.4 0.5 0.6 Free moisture X (kg H, O/kg dry solid)

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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03: A wet solid is to be dried in a tray dryer under steady state conditions from a free moisture content of X₁ =0.4 kgH₂O/kg dry solid to X2 0.02 kgH₂O/kg dry solid. The dry solid weight is 99.8kg dry solid and the top surface area for drying is 4.645m². the drying rate curve can be represented by Figure below. a- Calculate the time for drying using graphical integration in the falling rate period. b- Repeat but use a straight line through the organic for the drying rate in the falling rate period. Drying rate 20 0.8 0.4 Falling rate Constant rate 0.1 0,2 0.3 0.4 0.5 0.6 Free moisture X (kg H, O/kg dry solid)
Transcribed Image Text:03: A wet solid is to be dried in a tray dryer under steady state conditions from a free moisture content of X₁ =0.4 kgH₂O/kg dry solid to X2 0.02 kgH₂O/kg dry solid. The dry solid weight is 99.8kg dry solid and the top surface area for drying is 4.645m². the drying rate curve can be represented by Figure below. a- Calculate the time for drying using graphical integration in the falling rate period. b- Repeat but use a straight line through the organic for the drying rate in the falling rate period. Drying rate 20 0.8 0.4 Falling rate Constant rate 0.1 0,2 0.3 0.4 0.5 0.6 Free moisture X (kg H, O/kg dry solid)
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