Issue |
E3S Web Conf.
Volume 503, 2024
The 9th International Symposium on Applied Chemistry in conjuction with the 5th International Conference on Chemical and Material Engineering (ISAC-ICCME 2023)
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Article Number | 04004 | |
Number of page(s) | 17 | |
Section | Design Process and Chemical Engineering | |
DOI | https://doi.org/10.1051/e3sconf/202450304004 | |
Published online | 20 March 2024 |
Optimization of ethyl oleate from oleic acid and ethanol with Dean-Stark trap technology by response surface methodology
1 Department of Chemical Engineering, Faculty of Engineering, Universitas Indonesia, Kampus UI Depok, 16424, Indonesia
2 Research Center for Chemistry, National Research and Innovation Agency (BRIN), PUSPIPTEK Area, Serpong, Tangerang Selatan, Banten, 15314, Indonesia
3 Department of Informatics Engineering, Faculty of Engineering, Universitas Muhadi Setiabudi, Brebes, 52212, Indonesia
4 Research Centre for Biomass Valorization – Universitas Indonesia (RCBV UI), Faculty of Engineering, Universitas Indonesia, Kampus UI Depok, 16424, Indonesia
* Corresponding author: mgozan@ui.ac.id
This work evaluates the optimum condition of the esterification reaction of oleic acid (OA) and ethanol by Dean-Stark trap (DS) and without technology, as well as the effects of the various factors’ interaction on the conversion rate of OA. The influences of OA/ethanol molar ratio, concentration of catalyst, temperature reaction, and time reaction on the conversion rate of OA were investigated. The response surface method (RSM) is combined to optimize the experimental scheme. The results showed that the conversion rate of OA reached the peak of 98.78% when the molar ratio of ethanol/OA was 9:1, the concentration of catalyst was 3%, the temperature reaction was 90 oC, and the reaction time was 10 hours. Compared with the esterification reaction without DS, the conversion rate of OA was 54.96%. FTIR analysis confirmed the changes of a functional group for the response, and GC-MS was for confirmation of the fragmentation mode of the esterification reaction that occurs. The availability of ethyl oleate derived from palm oil, aimed at surfactant production, provides an excellent feedstock to produce surfactants for cosmetic applications.
© The Authors, published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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