Abstract
Esterification of glycerol with acetic acid was carried out over cerium-modified ZSM-5 zeolites to synthesize monoacetin (MA) and diacetin (DA). The modified zeolite catalyst was characterized. The effect of reaction process parameters such as acetic acid to glycerol mole ratio (1–11), reaction temperature (30–120 °C), and catalyst weight (2–8 wt %) on the selectivity of the product was investigated. At 120 °C reaction temperature, 8 wt % catalyst, and 9:1 acetic acid to glycerol mole ratio, about 98.32% conversion of glycerol were obtained. This reaction follows pseudo-first-order reaction kinetics and the activation energy was found to be 63.72 kJ mol−1.
Funding source: Thapar Institute of Engineering and Technology, Patiala, India
Acknowledgment
The author would like to thank the Thapar Institute of Engineering and Technology, Patiala, India for financial support.
Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Supplementary Material
The online version of this article offers supplementary material (https://doi.org/10.1515/ijcre-2020-0081).
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Articles in the same Issue
- Review
- Separation and purification of fatty acids by membrane technology: a critical review
- Articles
- Investigation of the flow patterns and power requirements in agitated systems: effects of the design of baffles and vessel base
- Computational fluid dynamics simulation of solid-liquid suspension characteristics in a stirred tank with punched circle package impellers
- Fischer-Tropsch reaction mixture permeation through a silicalite-1 membrane reactor and its effect on the produced hydrocarbons distribution
- Influence of the amine alkyl-chain upon carbon dioxide absorption in G-L-L reactor
- Catalytic performance of cerium-modified ZSM-5 zeolite as a catalyst for the esterification of glycerol with acetic acid
- Numerical study on the effect of planar normal and Halbach magnet arrays on micromixing
- The optimization and statistical analysis of fermentative hydrogen production using Taguchi method
- Mechanism of recovery processes for rare earth and iron from Bayan Obo tailings
- Short Communication
- Design optimization of micromixer with circular mixing chambers (M-CMC) using Taguchi-based grey relational analysis