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Title: Esterification of decanoic acid with methanol using Amberlyst 15: Reaction kinetics
Authors: Lamba R.
Kumar S.
Sarkar, Sudipta
Published in: Chemical Engineering Communications
Abstract: Methyl decanoate is used as a surrogate fuel. The surrogate fuels are structurally similar to actual biodiesel. We synthesized methyl decanoate in a small batch reactor by esterification reaction using decanoic acid and methanol on solid acid catalyst Amberlyst 15 used in dry state. The outcome of different reaction parameters including catalyst loading, temperature, molar ratio, stirrer speed, water concentration effect, and adsorption on catalyst pellets were studied for optimization of rate of conversion. The effect of external and internal diffusion limitations on catalyst granules was calculated theoretically from the reaction kinetics data. An analysis of the reaction kinetics revealed that the esterification reaction was rate controlled by adsorption of methanol on the solid acid catalyst and the reaction can be modeled as Eley–Rideal model. Activation energy of the esterification reaction was 39.4 KJ/mol. Reaction enthalpy and entropy were found to be 29.81 kJ/mol and 87.38 J/mol. K, respectively. © 2018 Taylor & Francis.
Citation: Chemical Engineering Communications(2018), 205(3): 281-294
Issue Date: 2018
Publisher: Taylor and Francis Ltd.
Keywords: Adsorption
Amberlyst 15
decanoic acid
Eley–Rideal model
ISSN: 986445
Author Scopus IDs: 57200363821
Author Affiliations: Lamba, R., Centre for Transportation System, Indian Institute of Technology RoorkeeUttrakhand, India
Kumar, S., Department of Chemical Engineering, Indian Institute of Technology RoorkeeUttrakhand, India
Sarkar, S., Department of Civil Engineering, Indi
Funding Details: We acknowledge the financial support received from University Grants Commission (Government of India) (grant number 7413-130-044); New Delhi, in the form of junior research fellowship to Ruchi Lamba. This work was supported by the University Grants Commission India [Grant number 7413-130-044].
Corresponding Author: Lamba, R.; Centre for Transportation System, Indian Institute of TechnologyIndia; email:
Appears in Collections:Journal Publications [CE]

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