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A kinetic study of quicklime-catalyzed sunflower oil methanolysis

Authorized Users Only
2014
Authors
Miladinović, Marija R
Krstić, Jugoslav
Tasic, Marija B
Stamenković, Olivera
Veljković, Vlada B.
Article (Published version)
Metadata
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Abstract
The quicklime-catalyzed sunflower oil methanolysis was studied at mild reaction conditions. Quicklime (calcined at 550 degrees C for 4h) in amounts of 1.0, 2.5, 5.0 and 10.0% (based on the oil weight) and different molar ratios of methanol-to-oil (6:1, 12:1 and 18:1) were employed to investigate their influence on the methyl esters content and the kinetics of the methanolysis reaction. The optimal methanol-to-oil molar ratio and quicklime amount for achieving the highest fatty acid methyl esters content were established to be 12:1 and 5% (based on the oil weight), respectively. The sigmoidal kinetics of quicklime-catalyzed methanolysis reaction was described by a model which included the changing mechanism of the reaction and the triacylglycerols mass transfer limitation. The kinetic parameters were determined and correlated with the process variables. A good agreement between the kinetic model and the experimental data for all applied reaction conditions was observed.
Keywords:
Biodiesel / CaO / Kinetics / Methanolysis / Modeling / Quicklime
Source:
Chemical Engineering Research & Design, 2014, 92, 9, 1740-1752
Publisher:
  • Inst Chemical Engineers, Rugby
Funding / projects:
  • Nanostructured Functional and Composite Materials in Catalytic and Sorption Processes (RS-45001)

DOI: 10.1016/j.cherd.2013.11.023

ISSN: 0263-8762

WoS: 000342249300013

Scopus: 2-s2.0-84906779556
[ Google Scholar ]
44
35
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/1438
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Miladinović, Marija R
AU  - Krstić, Jugoslav
AU  - Tasic, Marija B
AU  - Stamenković, Olivera
AU  - Veljković, Vlada B.
PY  - 2014
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1438
AB  - The quicklime-catalyzed sunflower oil methanolysis was studied at mild reaction conditions. Quicklime (calcined at 550 degrees C for 4h) in amounts of 1.0, 2.5, 5.0 and 10.0% (based on the oil weight) and different molar ratios of methanol-to-oil (6:1, 12:1 and 18:1) were employed to investigate their influence on the methyl esters content and the kinetics of the methanolysis reaction. The optimal methanol-to-oil molar ratio and quicklime amount for achieving the highest fatty acid methyl esters content were established to be 12:1 and 5% (based on the oil weight), respectively. The sigmoidal kinetics of quicklime-catalyzed methanolysis reaction was described by a model which included the changing mechanism of the reaction and the triacylglycerols mass transfer limitation. The kinetic parameters were determined and correlated with the process variables. A good agreement between the kinetic model and the experimental data for all applied reaction conditions was observed.
PB  - Inst Chemical Engineers, Rugby
T2  - Chemical Engineering Research & Design
T1  - A kinetic study of quicklime-catalyzed sunflower oil methanolysis
VL  - 92
IS  - 9
SP  - 1740
EP  - 1752
DO  - 10.1016/j.cherd.2013.11.023
ER  - 
@article{
author = "Miladinović, Marija R and Krstić, Jugoslav and Tasic, Marija B and Stamenković, Olivera and Veljković, Vlada B.",
year = "2014",
abstract = "The quicklime-catalyzed sunflower oil methanolysis was studied at mild reaction conditions. Quicklime (calcined at 550 degrees C for 4h) in amounts of 1.0, 2.5, 5.0 and 10.0% (based on the oil weight) and different molar ratios of methanol-to-oil (6:1, 12:1 and 18:1) were employed to investigate their influence on the methyl esters content and the kinetics of the methanolysis reaction. The optimal methanol-to-oil molar ratio and quicklime amount for achieving the highest fatty acid methyl esters content were established to be 12:1 and 5% (based on the oil weight), respectively. The sigmoidal kinetics of quicklime-catalyzed methanolysis reaction was described by a model which included the changing mechanism of the reaction and the triacylglycerols mass transfer limitation. The kinetic parameters were determined and correlated with the process variables. A good agreement between the kinetic model and the experimental data for all applied reaction conditions was observed.",
publisher = "Inst Chemical Engineers, Rugby",
journal = "Chemical Engineering Research & Design",
title = "A kinetic study of quicklime-catalyzed sunflower oil methanolysis",
volume = "92",
number = "9",
pages = "1740-1752",
doi = "10.1016/j.cherd.2013.11.023"
}
Miladinović, M. R., Krstić, J., Tasic, M. B., Stamenković, O.,& Veljković, V. B.. (2014). A kinetic study of quicklime-catalyzed sunflower oil methanolysis. in Chemical Engineering Research & Design
Inst Chemical Engineers, Rugby., 92(9), 1740-1752.
https://doi.org/10.1016/j.cherd.2013.11.023
Miladinović MR, Krstić J, Tasic MB, Stamenković O, Veljković VB. A kinetic study of quicklime-catalyzed sunflower oil methanolysis. in Chemical Engineering Research & Design. 2014;92(9):1740-1752.
doi:10.1016/j.cherd.2013.11.023 .
Miladinović, Marija R, Krstić, Jugoslav, Tasic, Marija B, Stamenković, Olivera, Veljković, Vlada B., "A kinetic study of quicklime-catalyzed sunflower oil methanolysis" in Chemical Engineering Research & Design, 92, no. 9 (2014):1740-1752,
https://doi.org/10.1016/j.cherd.2013.11.023 . .

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