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Activity Based Model Development for Esterification Reaction of‐Propionic Acid and n‐Propyl Alcohol With Solid Acidic Catalyst.

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Title: Activity Based Model Development for Esterification Reaction of‐Propionic Acid and n‐Propyl Alcohol With Solid Acidic Catalyst.
Authors: Velivala, Tirumalaiah1 (AUTHOR), Rayannagari, Rukmini2 (AUTHOR), Mekala, Mallaiah3 (AUTHOR) mmyadav2001@gmail.com, Chimmiri, Venkateswarlu4 (AUTHOR)
Source: International Journal of Chemical Kinetics. Aug2026, Vol. 58 Issue 8, p519-529. 11p.
Subjects: Esterification, Rate equation model, Propanols, Chemical kinetics, Acid catalysts, Reactive distillation, Propionic acid
Abstract: The esterification reaction of n‐propyl alcohol with n‐propionic acid using Indion 140 solid catalyst is carried out in an isothermal batch reactor to produce n‐propyl propionate and water. The reaction temperature is maintained in the range of 333–353 K and the catalyst loading varies from 0.01 to 0.03 g/cc. The mole ratio of n‐propionic acid and n‐propyl alcohol varies from 1:1 to 1:6. The influence of various parameters such as temperature, catalyst loading, initial reactant molar ratio, catalyst size, and agitation speed on the reaction rate are investigated. From the experimental results, it is observed that the reaction is kinetic controlled rather than mass transfer controlled. A second‐order pseudo‐homogeneous kinetic rate equation is used to fit the experimental data. The activation energies and forward reaction rate constants are obtained from the Arrhenius plot. The comparison of the simulation results with the experimental data indicates the second‐order pseudo‐homogeneous non‐ideal kinetic model better describes the behavior of the esterification reaction. The rate equation thus developed in this work can be used in modeling and design of catalytic distillation involving esterification of propionic acid with propanol. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Chemical Kinetics is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 194916346
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Activity Based Model Development for Esterification Reaction of‐Propionic Acid and n‐Propyl Alcohol With Solid Acidic Catalyst.
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  Data: <searchLink fieldCode="AR" term="%22Velivala%2C+Tirumalaiah%22">Velivala, Tirumalaiah</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rayannagari%2C+Rukmini%22">Rayannagari, Rukmini</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mekala%2C+Mallaiah%22">Mekala, Mallaiah</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> mmyadav2001@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Chimmiri%2C+Venkateswarlu%22">Chimmiri, Venkateswarlu</searchLink><relatesTo>4</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Chemical+Kinetics%22">International Journal of Chemical Kinetics</searchLink>. Aug2026, Vol. 58 Issue 8, p519-529. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Esterification%22">Esterification</searchLink><br /><searchLink fieldCode="DE" term="%22Rate+equation+model%22">Rate equation model</searchLink><br /><searchLink fieldCode="DE" term="%22Propanols%22">Propanols</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+kinetics%22">Chemical kinetics</searchLink><br /><searchLink fieldCode="DE" term="%22Acid+catalysts%22">Acid catalysts</searchLink><br /><searchLink fieldCode="DE" term="%22Reactive+distillation%22">Reactive distillation</searchLink><br /><searchLink fieldCode="DE" term="%22Propionic+acid%22">Propionic acid</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The esterification reaction of n‐propyl alcohol with n‐propionic acid using Indion 140 solid catalyst is carried out in an isothermal batch reactor to produce n‐propyl propionate and water. The reaction temperature is maintained in the range of 333–353 K and the catalyst loading varies from 0.01 to 0.03 g/cc. The mole ratio of n‐propionic acid and n‐propyl alcohol varies from 1:1 to 1:6. The influence of various parameters such as temperature, catalyst loading, initial reactant molar ratio, catalyst size, and agitation speed on the reaction rate are investigated. From the experimental results, it is observed that the reaction is kinetic controlled rather than mass transfer controlled. A second‐order pseudo‐homogeneous kinetic rate equation is used to fit the experimental data. The activation energies and forward reaction rate constants are obtained from the Arrhenius plot. The comparison of the simulation results with the experimental data indicates the second‐order pseudo‐homogeneous non‐ideal kinetic model better describes the behavior of the esterification reaction. The rate equation thus developed in this work can be used in modeling and design of catalytic distillation involving esterification of propionic acid with propanol. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Chemical Kinetics is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1002/kin.70065
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 519
    Subjects:
      – SubjectFull: Esterification
        Type: general
      – SubjectFull: Rate equation model
        Type: general
      – SubjectFull: Propanols
        Type: general
      – SubjectFull: Chemical kinetics
        Type: general
      – SubjectFull: Acid catalysts
        Type: general
      – SubjectFull: Reactive distillation
        Type: general
      – SubjectFull: Propionic acid
        Type: general
    Titles:
      – TitleFull: Activity Based Model Development for Esterification Reaction of‐Propionic Acid and n‐Propyl Alcohol With Solid Acidic Catalyst.
        Type: main
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          Name:
            NameFull: Velivala, Tirumalaiah
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            NameFull: Rayannagari, Rukmini
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            NameFull: Mekala, Mallaiah
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            NameFull: Chimmiri, Venkateswarlu
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            – D: 01
              M: 08
              Text: Aug2026
              Type: published
              Y: 2026
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              Value: 58
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              Value: 8
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            – TitleFull: International Journal of Chemical Kinetics
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