A solution of Ba(NO3)2 is at elevated temperature (solubility of 30.6 Kg Ba(NO3)2/100 Kg H2O) and is cooled in a crystallizer. Assume that during cooling 10% of the water is evaporated and calculate the precipitated mass of salt.a) Calculate the precipitated mass of salt if cooling to 17ºC, where the solubility is reduced to 8.6 kg Ba(NO3)2/100 kg H2O. Also calculate the yield of the process in this case. ( 17.5 Kg of solid salt, with a yield of 74.7%)b) Calculate the precipitated mass of salt if cooling is to 10ºC, where the solubility is reduced to 7 Kg Ba(NO3)2/100 kg H2O. Also calculate the yield of the process in this case. ( 18.6 kg of precipitated salt, with a yield of 79.4%)

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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 solution of Ba(NO3)2 is at elevated temperature (solubility of 30.6 Kg Ba(NO₃)₂/100 Kg H₂O) and is cooled in a crystallizer. Assume that during cooling 10% of the water is evaporated and calculate the precipitated mass of salt.

a) Calculate the precipitated mass of salt if cooling to 17ºC, where the solubility is reduced to 8.6 kg Ba(NO₃)₂/100 kg H₂O. Also calculate the yield of the process in this case. ( 17.5 Kg of solid salt, with a yield of 74.7%)

b) Calculate the precipitated mass of salt if cooling is to 10ºC, where the solubility is reduced to 7 Kg Ba(NO₃)₂/100 kg H₂O. Also calculate the yield of the process in this case. ( 18.6 kg of precipitated salt, with a yield of 79.4%)

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