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a. 2000 kg/h of milk is sterilized in a steam infusion sterilizer. The milk is heated to 145 °C by introducing it into the steam infusion chamber H and then is cooled quickly by flashing in the flash vessel F. The vapor that flashes off in the vessel F is condensed in the condenser C by direct contact of the vapor with cooling water. To avoid dilution of the milk, the pressure in the vessel F must be such that the rate at which vapor flashes off in the vessel F is equal to the steam that is added in the vessel H. Calculate the cooling water flow rate in the condenser that will give the required pressure in the flash vessel. The following data are given: The temperature of the milk at the inlet of H is 40 °C, the temperature of the cooling water at the inlet of the condenser is 20 °C, the steam introduced into the chamber H is saturated at 475.8 kPa pressure, and the heat capacity of the milk is 3.8 kJ/kg °C at the inlet of the infusion chamber and 4 kJ/kg °C at the exit of the infusion chamber. Cooling water in Milk in Steam vapor F Milk and steam Milk out water out

a. 2000 kg/h of milk is sterilized in a steam infusion sterilizer. The milk is heated to 145 °C by introducing it into the steam infusion chamber H and then is cooled quickly by flashing in the flash vessel F. The vapor that flashes off in the vessel F is condensed in the condenser C by direct contact of the vapor with cooling water. To avoid dilution of the milk, the pressure in the vessel F must be such that the rate at which vapor flashes off in the vessel F is equal to the steam that is added in the vessel H. Calculate the cooling water flow rate in the condenser that will give the required pressure in the flash vessel. The following data are given: The temperature of the milk at the inlet of H is 40 °C, the temperature of the cooling water at the inlet of the condenser is 20 °C, the steam introduced into the chamber H is saturated at 475.8 kPa pressure, and the heat capacity of the milk is 3.8 kJ/kg °C at the inlet of the infusion chamber and 4 kJ/kg °C at the exit of the infusion chamber. Cooling water in Milk in Steam vapor F Milk and steam Milk out water out

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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a. 2000 kg/h of milk is sterilized in a steam infusion sterilizer. The milk is heated to 145 °C by introducing it into the steam infusion chamber H and then is cooled quickly by flashing in the flash vessel F. The vapor that flashes off in the vessel F is condensed in the condenser C by direct contact of the vapor with cooling water. To avoid dilution of the milk, the pressure in the vessel F must be such that the rate at which vapor flashes off in the vessel F is equal to the steam that is added in the vessel H. Calculate the cooling water flow rate in the condenser that will give the required pressure in the flash vessel. The following data are given: The temperature of the milk at the inlet of H is 40 °C, the temperature of the cooling water at the inlet of the condenser is 20 °C, the steam introduced into the chamber H is saturated at 475.8 kPa pressure, and the heat capacity of the milk is 3.8 kJ/kg °C at the inlet of the infusion chamber and 4 kJ/kg °C at the exit of the infusion chamber. Cooling water in Milk in Steam vapor F Milk and steam Milk out water out
Transcribed Image Text:a. 2000 kg/h of milk is sterilized in a steam infusion sterilizer. The milk is heated to 145 °C by introducing it into the steam infusion chamber H and then is cooled quickly by flashing in the flash vessel F. The vapor that flashes off in the vessel F is condensed in the condenser C by direct contact of the vapor with cooling water. To avoid dilution of the milk, the pressure in the vessel F must be such that the rate at which vapor flashes off in the vessel F is equal to the steam that is added in the vessel H. Calculate the cooling water flow rate in the condenser that will give the required pressure in the flash vessel. The following data are given: The temperature of the milk at the inlet of H is 40 °C, the temperature of the cooling water at the inlet of the condenser is 20 °C, the steam introduced into the chamber H is saturated at 475.8 kPa pressure, and the heat capacity of the milk is 3.8 kJ/kg °C at the inlet of the infusion chamber and 4 kJ/kg °C at the exit of the infusion chamber. Cooling water in Milk in Steam vapor F Milk and steam Milk out water out
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