TY - JOUR
T1 - Nonanoic acid esterification with 2-ethylhexanol
T2 - From batch to continuous operation
AU - Taddeo, Francesco
AU - Vitiello, Rosa
AU - Tesser, Riccardo
AU - Melchiorre, Massimo
AU - Eränen, Kari
AU - Salmi, Tapio
AU - Russo, Vincenzo
AU - Di Serio, Martino
N1 - Funding Information:
Authors wish to thank European Union (FSE, PON Ricerca e Innovazione 2014-2020, Azione I.1 “Dottorati Innovativi con caratterizzazione Industriale”), for funding a Ph.D. grant to Francesco Taddeo. Consorzio Interuniversitario per le Reattività Chimiche e la Catalisi (CIRCC) is acknowledged for the financial support.
Publisher Copyright:
© 2022 Elsevier B.V.
PY - 2022/9/15
Y1 - 2022/9/15
N2 - Nonanoic acid is considered a feedstock of growing interest due to the promising applicability of its derivatives. It can be obtained from vegetable oils, one of the products of oleic acid oxidation. Recently, a very interesting application of the ester obtained from nonanoic acid esterification with 2-ethylhexanol was found. In fact, it showed excellent properties as solvent for varnishes. The aim of this work was the kinetic investigation of the nonanoic acid esterification with 2-ethylhexanol in batch and continuous reactors, promoted by Amberlyst-15 and Amberlite IR120 resins, and to demonstrate the technical feasibility of the mentioned technology in flow systems. A mathematical model was developed to simulate the collected experimental data taking into account all the phenomena appearing in the system: intrinsic kinetics, mass transfer and flow pattern. Experiments were also conducted in the continuous packed bed reactor to compare the catalyst performances and validate the results obtained in the batch reactor. The best nonanoic acid conversion (85%) was obtained fixing T = 363 K, Q = 4.17·10−9 m3/s with an alcohol:acid molar ratio of 5:1 using Amberlyst-15 as heterogeneous catalyst.
AB - Nonanoic acid is considered a feedstock of growing interest due to the promising applicability of its derivatives. It can be obtained from vegetable oils, one of the products of oleic acid oxidation. Recently, a very interesting application of the ester obtained from nonanoic acid esterification with 2-ethylhexanol was found. In fact, it showed excellent properties as solvent for varnishes. The aim of this work was the kinetic investigation of the nonanoic acid esterification with 2-ethylhexanol in batch and continuous reactors, promoted by Amberlyst-15 and Amberlite IR120 resins, and to demonstrate the technical feasibility of the mentioned technology in flow systems. A mathematical model was developed to simulate the collected experimental data taking into account all the phenomena appearing in the system: intrinsic kinetics, mass transfer and flow pattern. Experiments were also conducted in the continuous packed bed reactor to compare the catalyst performances and validate the results obtained in the batch reactor. The best nonanoic acid conversion (85%) was obtained fixing T = 363 K, Q = 4.17·10−9 m3/s with an alcohol:acid molar ratio of 5:1 using Amberlyst-15 as heterogeneous catalyst.
KW - 2-ethylhexanol
KW - Batch to continuous operation
KW - Ion exchange resin
KW - Kinetics
KW - Nonanoic acid esterification
KW - Packed bed
UR - http://www.scopus.com/inward/record.url?scp=85129504765&partnerID=8YFLogxK
U2 - 10.1016/j.cej.2022.136572
DO - 10.1016/j.cej.2022.136572
M3 - Article
AN - SCOPUS:85129504765
SN - 1385-8947
VL - 444
JO - Chemical Engineering Journal
JF - Chemical Engineering Journal
M1 - 136572
ER -