It is desired to cool 2000Kg/h of aniline from 95ºC to 60ºC in a double tube exchanger that has an area of 3.0m2 on the outer surface of the inner tube, using toluene at 30ºC. What mass flow rate of toluene should be used if the exchanger is operated in countercurrent? Data U=350Kcal/(hm2 ºC); Cp , aniline = 0.54Kcal/(Kgº ); Cp , toluene = 0.42 Kcal/(Kg ºC).Calculate the toluene outlet temperature in oC and its flow rate in ton./h.- Toluene outlet temperature: _________ºC (round up to one place after the decimal point, seek precision of 0.1).- Toluene flow rate: ____________ ton/h (round off to the nearest integer, aim for 0.2 precision).

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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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It is desired to cool 2000Kg/h of aniline from 95ºC to 60ºC in a double tube exchanger that has an area of 3.0m2 on the outer surface of the inner tube, using toluene at 30ºC. What mass flow rate of toluene should be used if the exchanger is operated in countercurrent? Data U=350Kcal/(hm²ºC); Cp , aniline = 0.54Kcal/(Kgº ); Cp , toluene = 0.42 Kcal/(Kg ºC).

Calculate the toluene outlet temperature in oC and its flow rate in ton./h.

- Toluene outlet temperature: _________ºC (round up to one place after the decimal point, seek precision of 0.1).

- Toluene flow rate: ____________ ton/h (round off to the nearest integer, aim for 0.2 precision).

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