A gas mixture consists of 86% methane, 9.5% propane, and 4.5% butane. We desire to strip the butane by scrubbing the gas with a hydrocarbon oil to absorb the butane using an absorber. At the bottom of the tower, P=300 kPa and T=30°C. The flow rate of the gas entering is 20 kmol/min. The flowrate of the liquid entering at the top is 10 kmol/min. If 99% of the butane is absorbed, what is the composition of the outgoing gas in mol%, and the composition of the liquid going out in mass %? Assume that the HC remains a liquid for the entire operation. (MW of hydrocarbon liquid = 160, sg = 0.85)
A gas mixture consists of 86% methane, 9.5% propane, and 4.5% butane. We desire to strip the butane by scrubbing the gas with a hydrocarbon oil to absorb the butane using an absorber. At the bottom of the tower, P=300 kPa and T=30°C. The flow rate of the gas entering is 20 kmol/min. The flowrate of the liquid entering at the top is 10 kmol/min. If 99% of the butane is absorbed, what is the composition of the outgoing gas in mol%, and the composition of the liquid going out in mass %? Assume that the HC remains a liquid for the entire operation. (MW of hydrocarbon liquid = 160, sg = 0.85)
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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A gas mixture consists of 86% methane, 9.5% propane, and 4.5% butane. We desire to strip the butane by scrubbing the
gas with a hydrocarbon oil to absorb the butane using an absorber. At the bottom of the tower, P=300 kPa and T=30°C.
The flow rate of the gas entering is 20 kmol/min. The flowrate of the liquid entering at the top is 10 kmol/min. If 99% of
the butane is absorbed, what is the composition of the outgoing gas in mol%, and the composition of the liquid going out in
mass %? Assume that the HC remains a liquid for the entire operation. (MW of hydrocarbon liquid = 160, sg = 0.85)
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