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of feed and mother liquor in the continuous operation. Assume that stallization is carried out by cooling without evaporation of water. cooling water enters at 288 K and leaves at 293 K, what is the required heat transfer area of tallizer? Given data: The mean heat capacity of the solution (C₂) is 3.2 kJ/kg K and the heat of allization is 146.5 kJ/kg. The overall coefficient of heat transfer is 0.14 kW/m*.K.

of feed and mother liquor in the continuous operation. Assume that stallization is carried out by cooling without evaporation of water. cooling water enters at 288 K and leaves at 293 K, what is the required heat transfer area of tallizer? Given data: The mean heat capacity of the solution (C₂) is 3.2 kJ/kg K and the heat of allization is 146.5 kJ/kg. The overall coefficient of heat transfer is 0.14 kW/m*.K.

Introduction to Chemical Engineering Thermodynamics
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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An aqueous solution containing 23% sodium phosphate (Na3PO4) is cooled from 313 to 298 K in a Swenson-Walker crystallizer to form crystals of Na3PO4. 12H₂O. The solubility of Na3PO4 at 298 K is 15.5 kg/100 kg water and the required flow of crystals is 0.063 kg/s. Molecular weight of Na3PO4 = 164 g/gmol and H₂O = 18 g/gmol. (a) Calculate the flowrate of feed and mother liquor in the continuous oneration. Assume that crystallization is carried out by cooling without evaporation of water. (b) If cooling water enters at 288 K and leaves at 293 K, what is the required heat transfer area of crystallizer? Given data: The mean heat capacity of the solution (C₂) is 3.2 kJ/kg K and the heat of crystallization is 146.5 kJ/kg. The overall coefficient of heat transfer is 0.14 kW/m*.K.
Transcribed Image Text:An aqueous solution containing 23% sodium phosphate (Na3PO4) is cooled from 313 to 298 K in a Swenson-Walker crystallizer to form crystals of Na3PO4. 12H₂O. The solubility of Na3PO4 at 298 K is 15.5 kg/100 kg water and the required flow of crystals is 0.063 kg/s. Molecular weight of Na3PO4 = 164 g/gmol and H₂O = 18 g/gmol. (a) Calculate the flowrate of feed and mother liquor in the continuous oneration. Assume that crystallization is carried out by cooling without evaporation of water. (b) If cooling water enters at 288 K and leaves at 293 K, what is the required heat transfer area of crystallizer? Given data: The mean heat capacity of the solution (C₂) is 3.2 kJ/kg K and the heat of crystallization is 146.5 kJ/kg. The overall coefficient of heat transfer is 0.14 kW/m*.K.
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