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3- An aqueous feed solution of 1000 kg/h of acetic acid-water solution contains 30.0 wt % acetic acid and is to be extracted in a countercurrent multistage process with pure isopropyl ether to reduce the acid concentration to 2.0 wt % acid in the final raffinate. a. Calculate the minimum solvent flow rate that can be used. b. If 2500 kg/h of ether solvent is used, determine the number of theoretical stages required. Water Layer (wt %) Isopropyl Ether Layer (wt %) Acetic Acid Water Isopropyl Ether Acetic Acid Water Isopropyl Ether 0 98.8 1.2 0 0.6 99.4 0.69 98.1 1.2 0.18 0.5 99.3 1.41 97.1 1.5 0.37 0.7 98.9 2.89 95.5 1.6 0.79 0.8 98.4 6.42 91.7 1.9 1.93 1.0 97.1 13.30 84.4 2.3 4.82 1.9 93.3 25.50 71.1 3.4 11.40 3.9 84.7 36.70 58.9 4.4 21.60 6.9 71.5 44.30 45.1 10.6 31.10 10.8 58.1 46.40 37.1 16.5 36.20 15.1 48.7

3- An aqueous feed solution of 1000 kg/h of acetic acid-water solution contains 30.0 wt % acetic acid and is to be extracted in a countercurrent multistage process with pure isopropyl ether to reduce the acid concentration to 2.0 wt % acid in the final raffinate. a. Calculate the minimum solvent flow rate that can be used. b. If 2500 kg/h of ether solvent is used, determine the number of theoretical stages required. Water Layer (wt %) Isopropyl Ether Layer (wt %) Acetic Acid Water Isopropyl Ether Acetic Acid Water Isopropyl Ether 0 98.8 1.2 0 0.6 99.4 0.69 98.1 1.2 0.18 0.5 99.3 1.41 97.1 1.5 0.37 0.7 98.9 2.89 95.5 1.6 0.79 0.8 98.4 6.42 91.7 1.9 1.93 1.0 97.1 13.30 84.4 2.3 4.82 1.9 93.3 25.50 71.1 3.4 11.40 3.9 84.7 36.70 58.9 4.4 21.60 6.9 71.5 44.30 45.1 10.6 31.10 10.8 58.1 46.40 37.1 16.5 36.20 15.1 48.7

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- An aqueous feed solution of 1000 kg/h of acetic acid-water solution contains 30.0 wt % acetic acid and is to be extracted in a countercurrent multistage process with pure isopropyl ether to reduce the acid concentration to 2.0 wt % acid in the final raffinate. a. Calculate the minimum solvent flow rate that can be used. b. If 2500 kg/h of ether solvent is used, determine the number of theoretical stages required. Water Layer (wt %) Isopropyl Ether Layer (wt %) Acetic Acid Water Isopropyl Ether Acetic Acid Water Isopropyl Ether 0 98.8 1.2 0 0.6 99.4 0.69 98.1 1.2 0.18 0.5 99.3 1.41 97.1 1.5 0.37 0.7 98.9 2.89 95.5 1.6 0.79 0.8 98.4 6.42 91.7 1.9 1.93 1.0 97.1 13.30 84.4 2.3 4.82 1.9 93.3 25.50 71.1 3.4 11.40 3.9 84.7 36.70 58.9 4.4 21.60 6.9 71.5 44.30 45.1 10.6 31.10 10.8 58.1 46.40 37.1 16.5 36.20 15.1 48.7
Transcribed Image Text:3- An aqueous feed solution of 1000 kg/h of acetic acid-water solution contains 30.0 wt % acetic acid and is to be extracted in a countercurrent multistage process with pure isopropyl ether to reduce the acid concentration to 2.0 wt % acid in the final raffinate. a. Calculate the minimum solvent flow rate that can be used. b. If 2500 kg/h of ether solvent is used, determine the number of theoretical stages required. Water Layer (wt %) Isopropyl Ether Layer (wt %) Acetic Acid Water Isopropyl Ether Acetic Acid Water Isopropyl Ether 0 98.8 1.2 0 0.6 99.4 0.69 98.1 1.2 0.18 0.5 99.3 1.41 97.1 1.5 0.37 0.7 98.9 2.89 95.5 1.6 0.79 0.8 98.4 6.42 91.7 1.9 1.93 1.0 97.1 13.30 84.4 2.3 4.82 1.9 93.3 25.50 71.1 3.4 11.40 3.9 84.7 36.70 58.9 4.4 21.60 6.9 71.5 44.30 45.1 10.6 31.10 10.8 58.1 46.40 37.1 16.5 36.20 15.1 48.7
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