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Q6-A mixture containing 42 wt% benzene (B) and 58 wt% toluene (T) is fed to a distillation column at a flowrate of 100 kg/min. The product stream leaving the top of the column (the overhead product) contains 90 wt% benzene, and 85 wt% of the total benzene fed to the column exits in this overhead product stream.

Q6-A mixture containing 42 wt% benzene (B) and 58 wt% toluene (T) is fed to a distillation column at a flowrate of 100 kg/min. The product stream leaving the top of the column (the overhead product) contains 90 wt% benzene, and 85 wt% of the total benzene fed to the column exits in this overhead product stream.

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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Q6-A mixture containing 42 wt% benzene (B) and 58 wt% toluene (T) is fed to a distillation column at a flowrate of 100 kg/min. The product stream leaving the top of the column (the overhead product) contains 90 wt% benzene, and 85 wt% of the total benzene fed to the column exits in this overhead product stream. Calculate the mass flowrate and mass composition of the product stream leaving the bottom of the column. Calculate the volumetric flowrate of the overhead product, assuming that it exits the distillation column as a vapour stream at 82 °C and 1 atm (abs). Physical Property Data (S.G.=specific gravity) from Table B1: • Benzene S.G.=0.879 MW=78.11 g/mol • Toluene S.G.=0.866 MW=92.13 g/mol • Water density 1.00 kg/L MW=18.02 g/mol R = 0.08206 L-atm/(mol-K)
Transcribed Image Text:Q6-A mixture containing 42 wt% benzene (B) and 58 wt% toluene (T) is fed to a distillation column at a flowrate of 100 kg/min. The product stream leaving the top of the column (the overhead product) contains 90 wt% benzene, and 85 wt% of the total benzene fed to the column exits in this overhead product stream. Calculate the mass flowrate and mass composition of the product stream leaving the bottom of the column. Calculate the volumetric flowrate of the overhead product, assuming that it exits the distillation column as a vapour stream at 82 °C and 1 atm (abs). Physical Property Data (S.G.=specific gravity) from Table B1: • Benzene S.G.=0.879 MW=78.11 g/mol • Toluene S.G.=0.866 MW=92.13 g/mol • Water density 1.00 kg/L MW=18.02 g/mol R = 0.08206 L-atm/(mol-K)
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