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Acetone is to be extracted from an aqueous solution (500 kg/h, 50 mass% acetone) using TCA (trichloroethane, it is carcinogenic) in a three-stage cross-current cascade. Two hundred kilograms of solvent (98% TCA, 2% acetone) is added to each stage. Given the following LLE data, calculate the flow rate of the raffinate and the fraction of feed acetone removed in each stage

Acetone is to be extracted from an aqueous solution (500 kg/h, 50 mass% acetone) using TCA (trichloroethane, it is carcinogenic) in a three-stage cross-current cascade. Two hundred kilograms of solvent (98% TCA, 2% acetone) is added to each stage. Given the following LLE data, calculate the flow rate of the raffinate and the fraction of feed acetone removed in each stage

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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Acetone is to be extracted from an aqueous solution (500 kg/h, 50 mass% acetone) using TCA
(trichloroethane, it is carcinogenic) in a three-stage cross-current cascade. Two hundred
kilograms of solvent (98% TCA, 2% acetone) is added to each stage. Given the following LLE data,
calculate the flow rate of the raffinate and the fraction of feed acetone removed in each stage

Extract arm (mass fraction) Raffinate arm (mass fraction) Yc YA Ув XA XB 0.60 0.13 0.27 0.55 0.35 0.10 0.50 0.04 0.46 0.50 0.43 0.07 0.40 0.03 0.57 0.40 0.57 0.03 0.30 0.02 0.68 0.30 0.68 0.02 0.20 0.015 0.785 0.20 0.79 0.01 0.10 0.01 0.89 0.10 0.895 0.005 Tie-line data Extract (mass fraction acetone) Raffinate (mass fraction acetone) 0.18 0.12 0.40 0.29 0.56 0.44
Transcribed Image Text:Extract arm (mass fraction) Raffinate arm (mass fraction) Yc YA Ув XA XB 0.60 0.13 0.27 0.55 0.35 0.10 0.50 0.04 0.46 0.50 0.43 0.07 0.40 0.03 0.57 0.40 0.57 0.03 0.30 0.02 0.68 0.30 0.68 0.02 0.20 0.015 0.785 0.20 0.79 0.01 0.10 0.01 0.89 0.10 0.895 0.005 Tie-line data Extract (mass fraction acetone) Raffinate (mass fraction acetone) 0.18 0.12 0.40 0.29 0.56 0.44
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