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A) A single-effect evaporator is used to concentrate 0.075 kg/s of 10% caustic soda liquor to 30%. Steam is supplied at 394 K dry and saturated and the boiling-point coefficient is 1.75 kW/m, how many tubes do rise of the 30% solution is 15 K. If the overall heat transfer coefficient is 1.75 kW/m²K. Calculate the amount of steam required and the heating surface area should be used assuming atmospheric pressure? (10 Points) = Given: Temperature of feed = 100 °C; specific heat 4.18 kJ/kg.K; the heat capacity of vapor is 1.88 kJ/kg.K; latent heat of vaporization = 2270 kJ/kg.

A) A single-effect evaporator is used to concentrate 0.075 kg/s of 10% caustic soda liquor to 30%. Steam is supplied at 394 K dry and saturated and the boiling-point coefficient is 1.75 kW/m, how many tubes do rise of the 30% solution is 15 K. If the overall heat transfer coefficient is 1.75 kW/m²K. Calculate the amount of steam required and the heating surface area should be used assuming atmospheric pressure? (10 Points) = Given: Temperature of feed = 100 °C; specific heat 4.18 kJ/kg.K; the heat capacity of vapor is 1.88 kJ/kg.K; latent heat of vaporization = 2270 kJ/kg.

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) A single-effect evaporator is used to concentrate 0.075 kg/s of 10% caustic soda liquor to 30%. Steam is supplied at 394 K dry and saturated and the boiling-point coefficient is 1.75 kW/m, how many tubes do rise of the 30% solution is 15 K. If the overall heat transfer coefficient is 1.75 kW/m²K. Calculate the amount of steam required and the heating surface area should be used assuming atmospheric pressure? (10 Points) = Given: Temperature of feed = 100 °C; specific heat 4.18 kJ/kg.K; the heat capacity of vapor is 1.88 kJ/kg.K; latent heat of vaporization = 2270 kJ/kg.
Transcribed Image Text:A) A single-effect evaporator is used to concentrate 0.075 kg/s of 10% caustic soda liquor to 30%. Steam is supplied at 394 K dry and saturated and the boiling-point coefficient is 1.75 kW/m, how many tubes do rise of the 30% solution is 15 K. If the overall heat transfer coefficient is 1.75 kW/m²K. Calculate the amount of steam required and the heating surface area should be used assuming atmospheric pressure? (10 Points) = Given: Temperature of feed = 100 °C; specific heat 4.18 kJ/kg.K; the heat capacity of vapor is 1.88 kJ/kg.K; latent heat of vaporization = 2270 kJ/kg.
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