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Xx Q1// Three stages forward-feed evaporator is fed 5Kg/s at 294 k of a liquor which is concentrated from 15 to 50 per cent by mass at 325k. The heat transfer coefficients may be taken as 3.2, 1.95, and 1.1 KW/m².ķ in each effect respectively. If the amount of the steam entering the first evaporator is 1.86 Kg/s at 394k. Calculate the heat transfer area in each effect, the per cent of solid from the 1st and 2nd effect, and the steam economy. (Assume Cpr = 4.18 Kj/Kg. k)

Xx Q1// Three stages forward-feed evaporator is fed 5Kg/s at 294 k of a liquor which is concentrated from 15 to 50 per cent by mass at 325k. The heat transfer coefficients may be taken as 3.2, 1.95, and 1.1 KW/m².ķ in each effect respectively. If the amount of the steam entering the first evaporator is 1.86 Kg/s at 394k. Calculate the heat transfer area in each effect, the per cent of solid from the 1st and 2nd effect, and the steam economy. (Assume Cpr = 4.18 Kj/Kg. 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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TF, Q1// Three stages forward-feed evaporator is fed 5Kg/s at 294 k of a liquor which is Xx Va concentrated from 15 to 50 per cent by mass at 325k. The heat transfer coefficients may be taken as 3.2, 1.95, and 1.1 KW/m².ķ in each effect respectively. If the amount of the steam entering the first evaporator is 1.86 Kg/s at 394k. Calculate the heat transfer area in each effect, the per cent of solid from the 1st and 2nd effect, and the steam economy. (Assume Cpf = 4.18 Kj/Kg. k)
Transcribed Image Text:TF, Q1// Three stages forward-feed evaporator is fed 5Kg/s at 294 k of a liquor which is Xx Va concentrated from 15 to 50 per cent by mass at 325k. The heat transfer coefficients may be taken as 3.2, 1.95, and 1.1 KW/m².ķ in each effect respectively. If the amount of the steam entering the first evaporator is 1.86 Kg/s at 394k. Calculate the heat transfer area in each effect, the per cent of solid from the 1st and 2nd effect, and the steam economy. (Assume Cpf = 4.18 Kj/Kg. k)
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