Two distillation columns in series are used to enhance the recovery of a desired component. In one set up, a liquid mixture containing 26.41% benzene, 20.82% toluene, and the balance xylene is fed to the first distillation column. The first bottoms contain 97.95% xylene and no benzene. The distillate of the first column is fed to the second column, and the second distillate recovered 97.97% of the benzene fed into the second column. Furthermore, analysis shows that the second distillate is composed of 91.88% benzene and no xylene. The bottoms stream of the second distillation column does not contain xylene. Determine the percent toluene lost in the whole system. Toluene is lost in the bottom product of the first column and on the distilalte of the second column.
Two distillation columns in series are used to enhance the recovery of a desired component. In one set up, a liquid mixture containing 26.41% benzene, 20.82% toluene, and the balance xylene is fed to the first distillation column. The first bottoms contain 97.95% xylene and no benzene. The distillate of the first column is fed to the second column, and the second distillate recovered 97.97% of the benzene fed into the second column. Furthermore, analysis shows that the second distillate is composed of 91.88% benzene and no xylene. The bottoms stream of the second distillation column does not contain xylene. Determine the percent toluene lost in the whole system. Toluene is lost in the bottom product of the first column and on the distilalte of the second column.
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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Two distillation columns in series are used to enhance the recovery of a desired component. In one set up, a liquid mixture containing 26.41% benzene, 20.82% toluene, and the balance xylene is fed to the first distillation column. The first bottoms contain 97.95% xylene and no benzene. The distillate of the first column is fed to the second column, and the second distillate recovered 97.97% of the benzene fed into the second column. Furthermore, analysis shows that the second distillate is composed of 91.88% benzene and no xylene. The bottoms stream of the second distillation column does not contain xylene. Determine the percent toluene lost in the whole system. Toluene is lost in the bottom product of the first column and on the distilalte of the second column.
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