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A mixture containing 45.0 %mole benzene (B), 30%mole toluene (T), and 25 %mole xylene (X) is fed to a distillation column. The bottom product contains 25 %mole X, 25 % mole B, and 87.9% of the X in the feed is recovered in this stream. The overhead product is fed to a second distillation column. The overhead product from the second column contains 55.0% of the B in the feed to this column. The composition of this stream is 94.0 mole% B and the balance T. What is the percentage of the benzene in the process feed that emerges in the overhead product from the second column. Calculate the percentage of toluene in the process feed that emerges in the bottom product from the second column.

A mixture containing 45.0 %mole benzene (B), 30%mole toluene (T), and 25 %mole xylene (X) is fed to a distillation column. The bottom product contains 25 %mole X, 25 % mole B, and 87.9% of the X in the feed is recovered in this stream. The overhead product is fed to a second distillation column. The overhead product from the second column contains 55.0% of the B in the feed to this column. The composition of this stream is 94.0 mole% B and the balance T. What is the percentage of the benzene in the process feed that emerges in the overhead product from the second column. Calculate the percentage of toluene in the process feed that emerges in the bottom product from the second column.

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: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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3. A mixture containing 45.0 %mole benzene (B), 30%mole toluene (T), and 25 %mole xylene (X) is fed to a distillation column. The bottom product contains 25 %mole X, 25 % mole B, and 87.9% of the X in the feed is recovered in this stream. The overhead product is fed to a second distillation column. The overhead product from the second column contains 55.0% of the B in the feed to this column. The composition of this stream is 94.0 mole% B and the balance T. What is the percentage of the benzene in the process feed that emerges in the overhead product from the second column. Calculate the percentage of toluene in the process feed that emerges in the bottom product from the second column.

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