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Entrainer Acetone 56.14°C Azeotrope 53.4°C Region/ Region 2 Benzene 0.1 0.2 0.3 80.13°C 0.4 0.5 0.6 0.7 0.8 0.9 Cyclohexane 80.64°C Azeotrope 77.4°C 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.1 Distillation boundary 0.9 0.8 0.7 0.6 0.5 0.4 0,3 0.2 0.1 CH CH = cyclohexane B = benzene Н,о solvent H20 makeup Liquid-liquid 2 extraction CH-acetone azeotrope Azeotropic distillation Feed CH Acetone entrainer Recycle acetone 3 Makeup acetone Distillation Recycle H20

Entrainer Acetone 56.14°C Azeotrope 53.4°C Region/ Region 2 Benzene 0.1 0.2 0.3 80.13°C 0.4 0.5 0.6 0.7 0.8 0.9 Cyclohexane 80.64°C Azeotrope 77.4°C 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.1 Distillation boundary 0.9 0.8 0.7 0.6 0.5 0.4 0,3 0.2 0.1 CH CH = cyclohexane B = benzene Н,о solvent H20 makeup Liquid-liquid 2 extraction CH-acetone azeotrope Azeotropic distillation Feed CH Acetone entrainer Recycle acetone 3 Makeup acetone Distillation Recycle H20

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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Benzene  and cyclohexane  form a minimum-boiling homogeneous azeotrope at 1 atm and 77.4oC of 54.2 mol% benzene. Since they cannot be separated by distillation at 1 atm, separate them by homogeneous azeotropic distillation using acetone as entrainer in the sequence shown in Figure . The azeotropic-column feed consists of 100 kmol/h of 75 mol% benzene and 25 mol% cyclohexane.Determine a feasible acetone-addition rate so that nearly pure benzene can be obtained as bottoms product. 

Entrainer Acetone 56.14°C Azeotrope 53.4°C Region/ Region 2 Benzene 0.1 0.2 0.3 80.13°C 0.4 0.5 0.6 0.7 0.8 0.9 Cyclohexane 80.64°C Azeotrope 77.4°C 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.1 Distillation boundary 0.9 0.8 0.7 0.6 0.5 0.4 0,3 0.2 0.1
Transcribed Image Text:Entrainer Acetone 56.14°C Azeotrope 53.4°C Region/ Region 2 Benzene 0.1 0.2 0.3 80.13°C 0.4 0.5 0.6 0.7 0.8 0.9 Cyclohexane 80.64°C Azeotrope 77.4°C 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.1 Distillation boundary 0.9 0.8 0.7 0.6 0.5 0.4 0,3 0.2 0.1
CH CH = cyclohexane B = benzene Н,о solvent H20 makeup Liquid-liquid 2 extraction CH-acetone azeotrope Azeotropic distillation Feed CH Acetone entrainer Recycle acetone 3 Makeup acetone Distillation Recycle H20
Transcribed Image Text:CH CH = cyclohexane B = benzene Н,о solvent H20 makeup Liquid-liquid 2 extraction CH-acetone azeotrope Azeotropic distillation Feed CH Acetone entrainer Recycle acetone 3 Makeup acetone Distillation Recycle H20
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