Answered: 0.05048 + 1.326 × 10ˉ⁴ T - 8.050 × 10ˉ⁸…

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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Question

Acetaldehyde is produced by the dehydration of ethanol according to the reaction:
C₂H₅OH(v) → CH₃CHO(v) +H₂(g)
This reaction is carried out in a gas phase continuous adiabatic reactor at steady state. Ethanol is fed to the reactor at 400°C. An ethanol conversion of 30% is achieved in the reactor. Take a basis of 100 mols/s of
ethanol feed to calculate the amount of acetaldehyde produced (mol/s). Then, calculate the temperature of the reactor outlet stream (°C).
Given information: the heat capacity of acetaldehyde (kJ/mol °C) vapor can be taken as:
Cp = 0.05048 + 1.326 × 10ˉ⁴ T - 8.050 × 10ˉ⁸ T² + 2.380 × 10ˉ¹¹ T3
where T is in °C

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