Sunflower oil methanolysis over modified CaO catalysts Original scientific paper

Main Article Content

Marija Miladinović
Milica Z. Petković
https://orcid.org/0000-0002-1565-0298
Ivana B. Banković-Ilić
https://orcid.org/0000-0002-6304-7960
Sandra S. Konstantinović
https://orcid.org/0000-0002-3761-823X
Vlada B. Veljković
https://orcid.org/0000-0002-1671-2892

Abstract

Oil methanolysis over modified CaO catalysts was studied to assess the catalytic perfor­mance and to define an appropriate kinetic model. CaO was modified by commercial glycerol and a deep eutectic solvent (DES), choline chloride : glycerol (ChCl : Gly), to obtain cataly­tically active complexes of CaO and glycerol. The main goal was to investigate the effect of the obtained complexes on the reaction rate and fatty acid methyl ester (FAME) content and to describe the variation of the triacylglycerol (TAG) conversion degree during the reaction time. Fourier transform infrared spectroscopy (FTIR) was applied to confirm the formation of CaO complexes with glycerol or the glycerol-based DES. Different catalyst loadings (0.5, 1, and 5 % of oil weight) and methanol-to-oil molar ratios (6 : 1 and 12 : 1) were applied for inves­tigation of the sunflower oil methanolysis at 60 oC. Two kinetic models were employed yield­ing the kinetic parameters, which depended on the catalyst loading and the methanol-to-oil molar ratio. Both models showed valid applicability for describing the kinetics of the re­acti­ons catalyzed by both complexes (the mean relative percent deviation was lower than 10 %).

Article Details

Section

Chemical Engineering - General

Author Biographies

Milica Z. Petković, Tehnološki fakultet, Univerzitet u Nišu, Bulevar Oslobodjenja 124, 16000, Leskovac, Srbija

Ph.D. student

Ivana B. Banković-Ilić, Tehnološki fakultet, Univerzitet u Nišu, Bulevar Oslobodjenja 124, 16000, Leskovac, Srbija

Full professor

Sandra S. Konstantinović, Tehnološki fakultet, Univerzitet u Nišu, Bulevar Oslobodjenja 124, 16000, Leskovac, Srbija

Full professor

How to Cite

[1]
M. Miladinović, M. Z. Petković, I. B. Banković-Ilić, S. S. Konstantinović, and V. . B. Veljković, “Sunflower oil methanolysis over modified CaO catalysts: Original scientific paper”, Hem Ind, vol. 76, no. 2, pp. 75–85, May 2022, doi: 10.2298/HEMIND211125009M.

Funding data

References

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