Sugarcane is produced by dissolving the sugar in the sugarcane in water, filtering the solution, heating the solution in a vacuum, cooling the solution to crystallize the excess solute, and filtering. If 90% of all the sugar in the sugarcane is able to be extracted by the water, determine the amount of recycle from the 2nd filter to the inlet of the vacuum evaporator. The sugarcane and water enter at a ratio of 1:3. Steam Sugarcane 21% Sugar Sugar 100% 79% Solids 25°C Vacuum 58°C 25°C sugar Extractor Filter 1 Cooler Filter Evaporator Water Waste Solids 95% Solids T, °C Solubility, kg sugar/kg water 5% Solution 10 20 30 40 50 60 0.05 0.14 0.16 0.18 0.25 0.27

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
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Sugarcane is produced by dissolving the sugar in the sugarcane in water, filtering the solution, heating the solution in a
vacuum, cooling the solution to crystallize the excess solute, and filtering. If 90% of all the sugar in the sugarcane is able to
be extracted by the water, determine the amount of recycle from the 2nd filter to the inlet of the vacuum evaporator. The
sugarcane and water enter at a ratio of 1:3.
Steam
Sugarcane
21% Sugar
Sugar
100%
79% Solids
25°C
Vacuum
58°C
25°C
sugar
Extractor
Filter 1
Cooler
Filter
Evaporator
Water
Waste Solids
95% Solids
T, °C
Solubility, kg sugar/kg water
10
20
30
40
50
60
5% Solution
0.05
0.14
0.16
0.18
0.25
0.27
Transcribed Image Text:Sugarcane is produced by dissolving the sugar in the sugarcane in water, filtering the solution, heating the solution in a vacuum, cooling the solution to crystallize the excess solute, and filtering. If 90% of all the sugar in the sugarcane is able to be extracted by the water, determine the amount of recycle from the 2nd filter to the inlet of the vacuum evaporator. The sugarcane and water enter at a ratio of 1:3. Steam Sugarcane 21% Sugar Sugar 100% 79% Solids 25°C Vacuum 58°C 25°C sugar Extractor Filter 1 Cooler Filter Evaporator Water Waste Solids 95% Solids T, °C Solubility, kg sugar/kg water 10 20 30 40 50 60 5% Solution 0.05 0.14 0.16 0.18 0.25 0.27
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