A double effect evaporator is used to concentrate an 18% CuSO4 solution. At the end of evaporation, 26,000 kg/h of 50% CuSO4 solution were obtained. If the water evaporated in the second effect is half the water evaporated in the first effect, determine: a) The amount of solution fed into the first effect. b) The amount of water evaporated in the first and second effect. c) The amount of solution fed into the second effect, as well as its composition.
A double effect evaporator is used to concentrate an 18% CuSO4 solution. At the end of evaporation, 26,000 kg/h of 50% CuSO4 solution were obtained. If the water evaporated in the second effect is half the water evaporated in the first effect, determine: a) The amount of solution fed into the first effect. b) The amount of water evaporated in the first and second effect. 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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Transcribed Image Text:A double effect evaporator is used to concentrate an 18% CuSO4 solution. At the end of
evaporation, 26,000 kg/h of 50% CuSO4 solution were obtained. If the water evaporated in the
second effect is half the water evaporated in the first effect, determine:
a) The amount of solution fed into the first effect.
b) The amount of water evaporated in the first and second effect.
c) The amount of solution fed into the second effect, as well as its composition.
Problem diagram
18% CuSO4
82% H₂O
M₁
M₂
M3
X CuSO4
Y H₂O
A
2
M4 = 0.5 M₂
M5
H₂O steam
M6 M2 M6 is the water
that condenses
26 000 kg/hr
50% CuSO4
50% H2₂O
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