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1. A hot air drier is used to reduce the moisturecontent of 74 kg/min of wet wood pulp from 0.22 kg H20/kg dry pulp to 1.5% wt H20. Air is drawn from the atmosphere at 28C, 760 mm Hg and 14% relative humidity, sent through the blower-heater, and then fed to the dryer. The dew point of the exit air is at 40C. Calculate the volumetric flowrate of the entering air in m3/min. 2 decimal places P* at 28C = 28.3223 mm Hg P* at 40C = 55.1928 mm Hg

1. A hot air drier is used to reduce the moisturecontent of 74 kg/min of wet wood pulp from 0.22 kg H20/kg dry pulp to 1.5% wt H20. Air is drawn from the atmosphere at 28C, 760 mm Hg and 14% relative humidity, sent through the blower-heater, and then fed to the dryer. The dew point of the exit air is at 40C. Calculate the volumetric flowrate of the entering air in m3/min. 2 decimal places P* at 28C = 28.3223 mm Hg P* at 40C = 55.1928 mm Hg

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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1. A hot air drier is used to reduce the moisturecontent of 74 kg/min of wet wood pulp from 0.22 kg H20/kg dry pulp to 1.5% wt H2O. Air is drawn from the atmosphere at 28C, 760 mm Hg and 14% relative humidity, sent through the blower-heater, and then fed to the dryer. The dew point of the exit air is at 40C. Calculate the volumetric flowrate of the entering air in m3/min. 2 decimal places P* at 28C = 28.3223 mm Hg P* at 40C = 55.1928 mm Hg
Transcribed Image Text:1. A hot air drier is used to reduce the moisturecontent of 74 kg/min of wet wood pulp from 0.22 kg H20/kg dry pulp to 1.5% wt H2O. Air is drawn from the atmosphere at 28C, 760 mm Hg and 14% relative humidity, sent through the blower-heater, and then fed to the dryer. The dew point of the exit air is at 40C. Calculate the volumetric flowrate of the entering air in m3/min. 2 decimal places P* at 28C = 28.3223 mm Hg P* at 40C = 55.1928 mm Hg
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