A process to purify glycerine from 10% to 25% is composed of an extraction tower and a distillation column. The inlet to the extraction tower has a flowrate of 1000 lb/hr and contains 10 wt% glycerine, 3% NaCl and the balance is water. Alcohol solution is also fed to the extraction tower at a flowrate of 1000 lb/hr and is 98% butyl alcohol in water. The discarded bottom outlet of the extraction column contains all of the input NaCl, as well as 1% each of glycerine and butyl alcohol. The top outlet from the extraction tower is fed to a distillation column. The top product from the distillation column contains only butyl alcohol and 5% water. The bottom product stream contains 25% glycerine and the balance water. Calculate the glycerine output flowrate (lb/hr) of the bottom product of the distillation column.
A process to purify glycerine from 10% to 25% is composed of an extraction tower and a distillation column. The inlet to the extraction tower has a flowrate of 1000 lb/hr and contains 10 wt% glycerine, 3% NaCl and the balance is water. Alcohol solution is also fed to the extraction tower at a flowrate of 1000 lb/hr and is 98% butyl alcohol in water. The discarded bottom outlet of the extraction column contains all of the input NaCl, as well as 1% each of glycerine and butyl alcohol. The top outlet from the extraction tower is fed to a distillation column. The top product from the distillation column contains only butyl alcohol and 5% water. The bottom product stream contains 25% glycerine and the balance water. Calculate the glycerine output flowrate (lb/hr) of the bottom product of the distillation column.
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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A process to purify glycerine from 10% to 25% is composed of an extraction tower and a distillation column. The inlet to the extraction tower has a flowrate of 1000 lb/hr and contains 10 wt% glycerine, 3% NaCl and the balance is water. Alcohol solution is also fed to the extraction tower at a flowrate of 1000 lb/hr and is 98% butyl alcohol in water. The discarded bottom outlet of the extraction column contains all of the input NaCl, as well as 1% each of glycerine and butyl alcohol. The top outlet from the extraction tower is fed to a distillation column. The top product from the distillation column contains only butyl alcohol and 5% water. The bottom product stream contains 25% glycerine and the balance water. Calculate the glycerine output flowrate (lb/hr) of the bottom product of the distillation column.
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