a double effect evaporator is fed by 31896 lbm/hr of 9% potassium chloride solution. At the end of evaporation a 41% KCl solution is obtained. The water evaporated in the second effect is 1.5 times the water evaporated in the first effect. Determine: a) The amount of 41% concentrated solution b) The amount of water evaporated in the first and second effects c) The amount of solution fed into the second effect, as well as its composition
a double effect evaporator is fed by 31896 lbm/hr of 9% potassium chloride solution. At the end of evaporation a 41% KCl solution is obtained. The water evaporated in the second effect is 1.5 times the water evaporated in the first effect. Determine: a) The amount of 41% concentrated solution b) The amount of water evaporated in the first and second effects c) The amount of solution fed into the second effect, as well as its composition
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 double effect evaporator is fed by 31896 lbm/hr of 9% potassium chloride solution. At the end of evaporation a 41% KCl solution is obtained. The water evaporated in the second effect is 1.5 times the water evaporated in the first effect. Determine:
a) The amount of 41% concentrated solution
b) The amount of water evaporated in the first and second effects
c) The amount of solution fed into the second effect, as well as its composition
Transcribed Image Text:31 896 lbm/hr
9% KCI
91% H₂O
M₁
M₂
Ma
x KCI
y H₂O
M₁=1.5 M₂
Ma
-> H₂O(vapor)
M6 = M₂
Ma es el agua que condensa
41% KCI
59% H₂O
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