Consider a four-effect standard vertical tube, each effect has 140 m² of heating surface, is to be used to concentrate, from 4% to 35% percent solids, the total boiling point elevation is 10°C. Forward feed is to be used. Saturated steam is available at 120°C, and the vacuum in the las effect corresponds to a boiling temperature of 40°C. the overall coeficients, in Wim2-K are 2950 in I, 2670 in II, 2070 in III and 1360 in IV, all specific heats may be taken as 4.2 Jig-C and radiation is negligible. Calculate the boiling point of solution in effect number 1. a. 107.7°C & 101.5°C b. 112.3°C d. 116.4°C
Consider a four-effect standard vertical tube, each effect has 140 m² of heating surface, is to be used to concentrate, from 4% to 35% percent solids, the total boiling point elevation is 10°C. Forward feed is to be used. Saturated steam is available at 120°C, and the vacuum in the las effect corresponds to a boiling temperature of 40°C. the overall coeficients, in Wim2-K are 2950 in I, 2670 in II, 2070 in III and 1360 in IV, all specific heats may be taken as 4.2 Jig-C and radiation is negligible. Calculate the boiling point of solution in effect number 1. a. 107.7°C & 101.5°C b. 112.3°C d. 116.4°C
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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Transcribed Image Text:Consider a four-effect standard vertical tube, each effect has 140 m² of heating surface, is to be used to concentrate, from 4% to 35% percent solids, the
total boiling point elevation is 10°C. Forward feed is to be used. Saturated steam is available at 120°C, and the vacuum in the las effect corresponds to a
boiling temperature of 40°C. the overall coefficients, in Wim2-K are 2950 in 1, 2670 in II, 2070 in II and 1360 in IV, all specific heats may be taken as 4.2
Jig-C and radiation is negligible. Calculate the boling point of solution in effect number 1.
a. 107.7°C
& 101.5°C
b. 112.3°C
d. 116.4°C
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