Pneumatic control valves are to be specified for the applications listed below. State whether an A-O or A-C valve should be specified for the following manipulated variables and give reason(s): (a) Flow rate of reactants into a neutralization reactor. (b) Flow of efflucnt from a wastewater treatment holding tank into a river. (e) Flow of steam to a distillation reboiler. The valve used is shown below, Air Motor Stem Valve -Plas

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
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Pneumatic control valves are to be specified for the applications listed below. State
whether an A-O or A-C valve should be specified for the following manipulated
variables and give reason(s):
(a) Flow rate of reactants into a neutralization reactor.
(b) Flow of cfflucnt from a wastewater trcatment holding tank into a river.
(c) Flow of steam to a distillation reboiler.
The valve used is shown below,
Air
Motor
Stem
Valve
-Plag
Transcribed Image Text:Pneumatic control valves are to be specified for the applications listed below. State whether an A-O or A-C valve should be specified for the following manipulated variables and give reason(s): (a) Flow rate of reactants into a neutralization reactor. (b) Flow of cfflucnt from a wastewater trcatment holding tank into a river. (c) Flow of steam to a distillation reboiler. The valve used is shown below, Air Motor Stem Valve -Plag
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