A mixture of ethanol, methanol and propanol flowing continuously at a rate of 1,200 kg/hour is fed into a distillation column. The mixture contains 20 weight % methanol. Ninety percent of the methanol and sixty percent of the ethanol in the feed are to be recovered in the distillate. All 400 kg/hour of propanol fed to the process must be recovered in the bottoms.a) Label the flowchart for this process; determine the degrees of freedom. b) Perform mass balance calculations to determine the unknown flow rates and the molar compositions for each stream.
A mixture of ethanol, methanol and propanol flowing continuously at a rate of 1,200 kg/hour is fed into a distillation column. The mixture contains 20 weight % methanol. Ninety percent of the methanol and sixty percent of the ethanol in the feed are to be recovered in the distillate. All 400 kg/hour of propanol fed to the process must be recovered in the bottoms.a) Label the flowchart for this process; determine the degrees of freedom. b) Perform mass balance calculations to determine the unknown flow rates and the molar compositions for each stream.
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 mixture of ethanol, methanol and propanol flowing continuously at a rate of 1,200 kg/hour is fed into a distillation column. The mixture contains 20 weight % methanol. Ninety percent of the methanol and sixty percent of the ethanol in the feed are to be recovered in the distillate. All 400 kg/hour of propanol fed to the process must be recovered in the bottoms.
a) Label the flowchart for this process; determine the degrees of freedom.
b) Perform mass balance calculations to determine the unknown flow rates and the molar compositions for each stream.
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