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Chemical Engineering
A single effect evaporator is used to concentrate a dilute stream of sugar syrup containing 3% dissolved solids to 7% solids. The solution density, ρ 700kg/m3. The feed stream enters the evaporator at 385K with feed rate of 700m3/s and vapor exits the evaporator. Steam is available at a pressure of 270kPa (abs) and an absolute pressure of 153kPa is maintained in the vapor. Assuming a heat transfer coefficient of 120W/m2K, calculate the following    Calculate the rate at which the concentrate exits the evaporator. Calculate the steam consumption. Calculate the heat transfer are required. Calculate the steam economy. If the tube dimensions are 5m high and 50mm diameter, how many tubes in the evaporator?

A single effect evaporator is used to concentrate a dilute stream of sugar syrup containing 3% dissolved solids to 7% solids. The solution density, ρ 700kg/m3. The feed stream enters the evaporator at 385K with feed rate of 700m3/s and vapor exits the evaporator. Steam is available at a pressure of 270kPa (abs) and an absolute pressure of 153kPa is maintained in the vapor. Assuming a heat transfer coefficient of 120W/m2K, calculate the following    Calculate the rate at which the concentrate exits the evaporator. Calculate the steam consumption. Calculate the heat transfer are required. Calculate the steam economy. If the tube dimensions are 5m high and 50mm diameter, how many tubes in the evaporator?

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 single effect evaporator is used to concentrate a dilute stream of sugar syrup containing 3% dissolved solids to 7% solids. The solution density, ρ 700kg/m3. The feed stream enters the evaporator at 385K with feed rate of 700m3/s and vapor exits the evaporator. Steam is available at a pressure of 270kPa (abs) and an absolute pressure of 153kPa is maintained in the vapor. Assuming a heat transfer coefficient of 120W/m2K, calculate the following   

  • Calculate the rate at which the concentrate exits the evaporator.
  • Calculate the steam consumption.
  • Calculate the heat transfer are required.
  • Calculate the steam economy.
  • If the tube dimensions are 5m high and 50mm diameter, how many tubes in the evaporator?
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