NaCl crystal is created from seawater within a series of evaporation and crystallization. A feed of 10 tons/hr of seawater containing 3.6% NaCl was mixed with a recycled stream of saturated brine solution at 40 Celcius before being fed to an evaporator where it is heated to 120 Celcius. The concentrated brine solution produced from the evaporator is 54% NaCl. This brine solution was fed to a crystallizer where it was cooled down to 40 Celcius to crystallize the NaCl. The crystals produced are 96.5% NaCl. The excess saturated liquor was mixed to the fresh seawater for recycle. The solubility of NaCl at 40 Celcius is 0.366 kg of water (H:O). Calculate: NaCI Crystals + H,0 Saturated Crystallizer Brine at 40°C Evaporator Міxer Seawater Concentrated Brine at 120°C Water Vapor a) crystals production rate kg/hr b) concentrated brine solution in kg/hr c) recycle stream flow rate in kg/hr
NaCl crystal is created from seawater within a series of evaporation and crystallization. A feed of 10 tons/hr of seawater containing 3.6% NaCl was mixed with a recycled stream of saturated brine solution at 40 Celcius before being fed to an evaporator where it is heated to 120 Celcius. The concentrated brine solution produced from the evaporator is 54% NaCl. This brine solution was fed to a crystallizer where it was cooled down to 40 Celcius to crystallize the NaCl. The crystals produced are 96.5% NaCl. The excess saturated liquor was mixed to the fresh seawater for recycle. The solubility of NaCl at 40 Celcius is 0.366 kg of water (H:O). Calculate: NaCI Crystals + H,0 Saturated Crystallizer Brine at 40°C Evaporator Міxer Seawater Concentrated Brine at 120°C Water Vapor a) crystals production rate kg/hr b) concentrated brine solution in kg/hr c) recycle stream flow rate in kg/hr
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:NaCl crystal is created from seawater within a series of evaporation and crystallization. A feed
of 10 tons/hr of seawater containing 3.6% NaCl was mixed with a recycled stream of saturated
brine solution at 40 Celcius before being fed to an evaporator where it is heated to 120 Celcius.
The concentrated brine solution produced from the evaporator is 54% NaCl. This brine solution
was fed to a crystallizer where it was cooled down to 40 Celcius to crystallize the NaCl. The
crystals produced are 96.5% NaCl. The excess saturated liquor was mixed to the fresh seawater
for recycle. The solubility of NaCl at 40 Celcius is 0.366 kg of water (H2O). Calculate:
NaCI Crystals
+ H,0
Saturated
Crystallizer
Brine at 40°C
Evaporator
Mixer
Seawater
Concentrated
Brine at 120°C
Water Vapor
a) crystals production rate kg/hr
b) concentrated brine solution in kg/hr
c) recycle stream flow rate in kg/hr
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