Question
5.20. Multistage stripper.
A stripper at 50 psia with three equilibrium stages strips 1,000
kmol/h of liquid at 300°F with the following molar composition:
0.03% Cı, 0.22% C2, 1.82% C3, 4.47% nC4, 8.59% nC, 34.87%
nCio. The stripping agent is 1,000 kmol/h of superheated steam at
300 F and 50 psia, Use the Kremser equation to estimate the com
positions and flow rates of the stripped liquid and exiting rich gas
Assume a K-value for Cio of 0.20 and that no steam is absorbed.
Calculate the dew-point temperature of the exiting gas at 50 psia. If
it is above 300°F, what can be done?
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Transcribed Image Text:5.20. Multistage stripper. A stripper at 50 psia with three equilibrium stages strips 1,000 kmol/h of liquid at 300°F with the following molar composition: 0.03% Cı, 0.22% C2, 1.82% C3, 4.47% nC4, 8.59% nC, 34.87% nCio. The stripping agent is 1,000 kmol/h of superheated steam at 300 F and 50 psia, Use the Kremser equation to estimate the com positions and flow rates of the stripped liquid and exiting rich gas Assume a K-value for Cio of 0.20 and that no steam is absorbed. Calculate the dew-point temperature of the exiting gas at 50 psia. If it is above 300°F, what can be done?
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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: McGraw-Hill Education
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