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Brick material containing 70% moisture is to be dried at the rate of 0.15 kg/s in a counter current drier to give a product containing 5% moisture (wet basis). The drying medium consists of air heated to 373 K and containing water vapour equivalent to a partial pressure of 1 kN/m2. The air leaves the drier at 313 K and 70% RH. Calculate how much air is required to remove the moisture. The vapour pressure of water at 313 K is 7.4 kN/m2

Brick material containing 70% moisture is to be dried at the rate of 0.15 kg/s in a counter current drier to give a product containing 5% moisture (wet basis). The drying medium consists of air heated to 373 K and containing water vapour equivalent to a partial pressure of 1 kN/m2. The air leaves the drier at 313 K and 70% RH. Calculate how much air is required to remove the moisture. The vapour pressure of water at 313 K is 7.4 kN/m2

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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Brick material containing 70% moisture is to be dried at the rate of 0.15 kg/s in a
counter current drier to give a product containing 5% moisture (wet basis). The drying medium
consists of air heated to 373 K and containing water vapour equivalent to a partial pressure of 1
kN/m2. The air leaves the drier at 313 K and 70% RH. Calculate how much air is required to remove
the moisture. The vapour pressure of water at 313 K is 7.4 kN/m2

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