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Isopropyl acetate (IPAC) is a fine chemical which can be used in high-end ink oil, pharmaceuticals, pesticide, adhesive, dehydrating agent, extractant and also in fragrance. A reversible, exothermic and non-elementary reactions for the production of isopropyl acetate (IPAC) and water (H2O) via acetic acid (HAC) and isopropyl alcohol (IPA) esterification was conducted in a fixed bed reactor with entering temperature of 350K. The reaction mechanism is governed by a pseudo homogenous model. An ion exchange resin catalyst, Indion 130, is recommended for the esterification reaction. The reaction has a heat of reaction value of -5 kJ/mol with the equilibrium constant of 23 at the temperature of 333K. The change in heat capacities between IPA and HAC, external diffusion and internal pore diffusion are assumed to be negligible. Since the increase of adiabatic conversion is possible on the adiabatic reaction equilibrium values by using internal heat exchange method, evaluate the temperature-conversion shifting via interstage cooling with your proposed series of reactors in order to achieve improved conversion. Write down all the assumptions made and draw clearly your proposed interstage cooling illustration. Hint: - Fixed bed reactor can be modelled as PFR for the design calculations. - IPA is assumed to be the key reactant or limiting reactant despite molar ratio between IPA and HAC of 1:1. - Consider water and acetic acid are inerts in the product (zero order of reaction). - Heat capacity for IPA is 5 J/mol-K.

Isopropyl acetate (IPAC) is a fine chemical which can be used in high-end ink oil, pharmaceuticals, pesticide, adhesive, dehydrating agent, extractant and also in fragrance. A reversible, exothermic and non-elementary reactions for the production of isopropyl acetate (IPAC) and water (H2O) via acetic acid (HAC) and isopropyl alcohol (IPA) esterification was conducted in a fixed bed reactor with entering temperature of 350K. The reaction mechanism is governed by a pseudo homogenous model. An ion exchange resin catalyst, Indion 130, is recommended for the esterification reaction. The reaction has a heat of reaction value of -5 kJ/mol with the equilibrium constant of 23 at the temperature of 333K. The change in heat capacities between IPA and HAC, external diffusion and internal pore diffusion are assumed to be negligible. Since the increase of adiabatic conversion is possible on the adiabatic reaction equilibrium values by using internal heat exchange method, evaluate the temperature-conversion shifting via interstage cooling with your proposed series of reactors in order to achieve improved conversion. Write down all the assumptions made and draw clearly your proposed interstage cooling illustration. Hint: - Fixed bed reactor can be modelled as PFR for the design calculations. - IPA is assumed to be the key reactant or limiting reactant despite molar ratio between IPA and HAC of 1:1. - Consider water and acetic acid are inerts in the product (zero order of reaction). - Heat capacity for IPA is 5 J/mol-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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Isopropyl acetate (IPAC) is a fine chemical which can be used in high-end ink oil, pharmaceuticals, pesticide, adhesive, dehydrating agent, extractant and also in fragrance. A reversible, exothermic and non-elementary reactions for the production of isopropyl acetate (IPAC) and water (H2O) via acetic acid (HAC) and isopropyl alcohol (IPA) esterification was conducted in a fixed bed reactor with entering temperature of 350K. The reaction mechanism is governed by a pseudo homogenous model. An ion exchange resin catalyst, Indion 130, is recommended for the esterification reaction. The reaction has a heat of reaction value of -5 kJ/mol with the equilibrium constant of 23 at the temperature of 333K. The change in heat capacities between IPA and HAc, external diffusion and internal pore diffusion are assumed to be negligible. Since the increase of adiabatic conversion is possible on the adiabatic reaction equilibrium values by using internal heat exchange method, evaluate the temperature-conversion shifting via interstage cooling with your proposed series of reactors in order to achieve improved conversion. Write down all the assumptions made and draw clearly your proposed interstage cooling illustration. Hint: - Fixed bed reactor can be modelled as PFR for the design calculations. - IPA is assumed to be the key reactant or limiting reactant despite molar ratio between IPA and HAc of 1:1. - Consider water and acetic acid are inerts in the product (zero order of reaction). - Heat capacity for IPA is 5 J/mol-K.
Transcribed Image Text:Isopropyl acetate (IPAC) is a fine chemical which can be used in high-end ink oil, pharmaceuticals, pesticide, adhesive, dehydrating agent, extractant and also in fragrance. A reversible, exothermic and non-elementary reactions for the production of isopropyl acetate (IPAC) and water (H2O) via acetic acid (HAC) and isopropyl alcohol (IPA) esterification was conducted in a fixed bed reactor with entering temperature of 350K. The reaction mechanism is governed by a pseudo homogenous model. An ion exchange resin catalyst, Indion 130, is recommended for the esterification reaction. The reaction has a heat of reaction value of -5 kJ/mol with the equilibrium constant of 23 at the temperature of 333K. The change in heat capacities between IPA and HAc, external diffusion and internal pore diffusion are assumed to be negligible. Since the increase of adiabatic conversion is possible on the adiabatic reaction equilibrium values by using internal heat exchange method, evaluate the temperature-conversion shifting via interstage cooling with your proposed series of reactors in order to achieve improved conversion. Write down all the assumptions made and draw clearly your proposed interstage cooling illustration. Hint: - Fixed bed reactor can be modelled as PFR for the design calculations. - IPA is assumed to be the key reactant or limiting reactant despite molar ratio between IPA and HAc of 1:1. - Consider water and acetic acid are inerts in the product (zero order of reaction). - Heat capacity for IPA is 5 J/mol-K.
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