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8.14 A steam-heated evaporator used to concentrate a feed stream by evaporating water is shown in Fig. E8.14. The mass - Overhead D, xp = 0 Pressure Feed Steam, S XF, F - Condensate, S AC Xm AT Product x, B fraction of solute in the exit stream x is measured and con trolled by adjusting the steam flow rate, S. The control valve i fail- Close Should the composition controller be direct-acting' Justify your answer.

8.14 A steam-heated evaporator used to concentrate a feed stream by evaporating water is shown in Fig. E8.14. The mass - Overhead D, xp = 0 Pressure Feed Steam, S XF, F - Condensate, S AC Xm AT Product x, B fraction of solute in the exit stream x is measured and con trolled by adjusting the steam flow rate, S. The control valve i fail- Close Should the composition controller be direct-acting' Justify your answer.

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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8.14 A steam-heated evaporator used to concentrate a feed stream by evaporating water is shown in Fig. E8.14. The mass Overhead D, xp = 0 Pressure Feed Steam, S Xp, F Condensate, S AC Xm AT Product x, B fraction of solute in the exit stream x is measured and con trolled by adjusting the steam flow rate, S. The control valve i fail- Close Should the composition controller be direct-acting' Justify your answer.
Transcribed Image Text:8.14 A steam-heated evaporator used to concentrate a feed stream by evaporating water is shown in Fig. E8.14. The mass Overhead D, xp = 0 Pressure Feed Steam, S Xp, F Condensate, S AC Xm AT Product x, B fraction of solute in the exit stream x is measured and con trolled by adjusting the steam flow rate, S. The control valve i fail- Close Should the composition controller be direct-acting' Justify your answer.
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