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In a two stage process acetic acid (A) is extracted from water (W) into exanol (H) in a liquid-liquid extraction vessel and the extract is subsequently separated by distillation. Assume that water is completely nsoluble in hexánol. A mixture of 18.0 wt% acetic acid and 82.0% vater is fed to a liquid-liquid extraction vessel. 100 kg/hr of pure exanol is fed to the column to extract the acetic acid. The water-rich stream leaving the vessel is 99.5 wt% water and 0.5% acetic acid. The exanol-rich extract from the vessel is fed to a distillation column. The composition of the distillate is 96 wt% acetic acid and 4% hexanol. The ottoms stream contains 2.8% acetic acid and 97.2 wt% hexanol. The ottoms stream (F6) recovers 95% of the hexanol fed the liquid-liquid extraction vessel. Calculate F,, Fs and F2 and its composition.

In a two stage process acetic acid (A) is extracted from water (W) into exanol (H) in a liquid-liquid extraction vessel and the extract is subsequently separated by distillation. Assume that water is completely nsoluble in hexánol. A mixture of 18.0 wt% acetic acid and 82.0% vater is fed to a liquid-liquid extraction vessel. 100 kg/hr of pure exanol is fed to the column to extract the acetic acid. The water-rich stream leaving the vessel is 99.5 wt% water and 0.5% acetic acid. The exanol-rich extract from the vessel is fed to a distillation column. The composition of the distillate is 96 wt% acetic acid and 4% hexanol. The ottoms stream contains 2.8% acetic acid and 97.2 wt% hexanol. The ottoms stream (F6) recovers 95% of the hexanol fed the liquid-liquid extraction vessel. Calculate F,, Fs and F2 and its composition.

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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Q1. In a two stage process acetic acid (A) is extracted from water (W) into hexanol (H) in a liguid-liquid extraction vessel and the extract is subsequently separated by distillation. Assume that water is completely insoluble in hexanol. A mixture of 18.0 wt% acetic acid and 82.0% water is fed to a liquid-liquid extraction vessel. 100 kg/hr of pure hexanol is fed to the column to extract the acetic acid. The water-rich stream leaving the vessel is 99.5 wt% water and 0.5% acetic acid. The hexanol-rich extract from the vessel is fed to a distillation column. The composition of the distillate is 96 wt% acetic acid and 4% hexanol. The bottoms stream contains 2.8% acetic acid and 97.2 wt% hexanol. The bottoms stream (F6) recovers 95% of the hexanol fed the liquid-liquid extraction vessel. Calculate F,, Fs and F2 and its composition. Α 18% A 96% F3 [w 82% Distillation H 4% Extraction F2 column F6 A 2.8% unit 100 kg/hr F4 H 97.2% [A 0.5% 100% F5 W 99.5%
Transcribed Image Text:Q1. In a two stage process acetic acid (A) is extracted from water (W) into hexanol (H) in a liguid-liquid extraction vessel and the extract is subsequently separated by distillation. Assume that water is completely insoluble in hexanol. A mixture of 18.0 wt% acetic acid and 82.0% water is fed to a liquid-liquid extraction vessel. 100 kg/hr of pure hexanol is fed to the column to extract the acetic acid. The water-rich stream leaving the vessel is 99.5 wt% water and 0.5% acetic acid. The hexanol-rich extract from the vessel is fed to a distillation column. The composition of the distillate is 96 wt% acetic acid and 4% hexanol. The bottoms stream contains 2.8% acetic acid and 97.2 wt% hexanol. The bottoms stream (F6) recovers 95% of the hexanol fed the liquid-liquid extraction vessel. Calculate F,, Fs and F2 and its composition. Α 18% A 96% F3 [w 82% Distillation H 4% Extraction F2 column F6 A 2.8% unit 100 kg/hr F4 H 97.2% [A 0.5% 100% F5 W 99.5%
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