The production reaction for methyl acetate from methanol is a gas-phase reaction that takes place in a batch reactor to equilibrium conditions. The reaction is as follow:СН3OH (a) + СНзСООН (b) <-> CH3COOCH3 (c) + H2O (d)When the reaction reaches equilibrium at the operating pressure and temperature, the mole fractions (y) of the components satisfy the following relation (the equilibrium constant):YcYd/YaYb = 4.79Draw a process flow diagram and identify the variables.If the feed to the reactor is stoichiometric (contains equimolar quantities of reactants) and no other components, calculate the equilibrium fractional conversion to 4 s.f.Now consider producing 79 mole of methyl acetate using 88 mol of acetic acid. If the reaction proceeds to equilibrium, how much methanol must be fed to get the required conversion? Note this will no longer be a stoichiometric feed composition.What is the molar composition of the final product in part c?

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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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The production reaction for methyl acetate from methanol is a gas-phase reaction that takes place in a batch reactor to equilibrium conditions. The reaction is as follow:

СН₃OH (a) + СНзСООН (b) <-> CH₃COOCH₃ (c) + H₂O (d)

When the reaction reaches equilibrium at the operating pressure and temperature, the mole fractions (y) of the components satisfy the following relation (the equilibrium constant):

YcYd/YaYb = 4.79

Draw a process flow diagram and identify the variables.
If the feed to the reactor is stoichiometric (contains equimolar quantities of reactants) and no other components, calculate the equilibrium fractional conversion to 4 s.f.
Now consider producing 79 mole of methyl acetate using 88 mol of acetic acid. If the reaction proceeds to equilibrium, how much methanol must be fed to get the required conversion? Note this will no longer be a stoichiometric feed composition.
What is the molar composition of the final product in part c?

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