Exhaust gas of a refinery contains an impurity that must be reduced to an acceptable level before discharge into the atmosphere, It is assumed that the impurity mole fraction is 0.015 and must be reduced to 0.0015. The remaining balance is an inert mixture (carrier gas) The impurity is absorbed into an entering stream of pure r such that L/G=150. Assuming that Henrys Constant 100 bar and the operation is run at 2 bar. Draw the absorption tower the equilibrium and operating curves. / Write equation of the operating line and calculate , mole fraction of the impurity in the exit water stream Xn. Graphically determine the number of stages needed to accomplish the separation N?

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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Exhaust gas of a refinery contains an impurity that must be reduced to an acceptable level before discharge into the atmosphere, It is assumed that the impurity mole fraction is 0.015 and must be reduced to 0.0015. The remaining balance is an inert mixture (carrier gas) The impurity is absorbed into an entering stream of pure r such that L/G=150. Assuming that Henrys Constant 100 bar and the operation is run at 2 bar. Draw the absorption tower the equilibrium and operating curves. / Write equation of the operating line and calculate , mole fraction of the impurity in the exit water stream Xn. Graphically determine the number of stages needed to accomplish the separation N?
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