Answered: 1- paper, newsprint 2 - wool, worsted…

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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Wet lumber of the type in Figure is slowly dried from an initial total moisture content of 50 wt% to a moisture content in equilibrium with atmospheric air at 25^oC and 40% relative humidity. Determine: (a) unbound moisture in the wet lumber before drying in lb water/lb bone-dry lumber; (b) bound moisture in the wet lumber before drying in lb water/lb bone-dry lumber; (c) free moisture in the wet lumber before drying, referred to as the final dried lumber, in lb water/lb bone-dry lumber; (d) lb of moisture evaporated per lb of bone-dry wood.

1- paper, newsprint
2 - wool, worsted
0.28
3 - nitrocellulose
F 4 - silk
5 - leather, sole, oak tanned
6 - kaolin
7- N.C. tobacco leaf
0.24
8- soap
9 - glue
10 - lumber
0.20
5.
0.16
8,
10,
0.12
0.08
0.04
20
40
60
80
100
Percent relative humidity
Equilibrium-moisture content at 25°C and I atm.
Moisture content in solids, Ib water/lb dry solids

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d) lb of moisture evaporated per lb of bone-dry wood.?

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