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Continuous sunflower oil methanolysis over quicklime in a packed-bed tubular reactor

Authorized Users Only
2015
Authors
Miladinović, Marija R.
Stamenković, Olivera S.
Veljković, Vlada B.
Skala, Dejan U.
Article (Published version)
Metadata
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Abstract
The continuous sunflower oil methanolysis catalyzed by quicklime in a packed-bed tubular reactor of 60 cm height was studied at 60 °C using methanol-to-oil molar ratios from 6:1 to 18:1 and weight hourly space velocities from 0.188 to 0.376 (kg/kgcat h). The main goal was to establish the effect of the process variables on the fatty acid methyl esters (FAME) synthesis. A full factorial design was used to evaluate the significance of the three process factors (methanol-to-oil molar ratio, flow rate of the reactants and bed height) statistically. Moreover, the recently reported kinetic model of methanolysis was used to describe variations of FAME and triacylglycerols (TAG) concentrations along the reactor length. The kinetic model predicted the axial concentration profiles of TAG and FAME in the reactor with acceptable accuracy. A high FAME content (98.5%) could be achieved at the two thirds of the bed of quicklime bits without loss of catalytic activity within 30 h of continuous operati...on.

Keywords:
Biodiesel / Calcium oxide / Methanolysis Optimization / Packed-bed reactor / Quicklime
Source:
Fuel, 2015, 154, 301-307
Publisher:
  • Elsevier Ltd
Funding / projects:
  • Nanostructured Functional and Composite Materials in Catalytic and Sorption Processes (RS-45001)

DOI: 10.1016/j.fuel.2015.03.057

ISSN: 0016-2361

WoS: 000353893200035

Scopus: 2-s2.0-84927752744
[ Google Scholar ]
22
14
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5762
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Miladinović, Marija R.
AU  - Stamenković, Olivera S.
AU  - Veljković, Vlada B.
AU  - Skala, Dejan U.
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5762
AB  - The continuous sunflower oil methanolysis catalyzed by quicklime in a packed-bed tubular reactor of 60 cm height was studied at 60 °C using methanol-to-oil molar ratios from 6:1 to 18:1 and weight hourly space velocities from 0.188 to 0.376 (kg/kgcat h). The main goal was to establish the effect of the process variables on the fatty acid methyl esters (FAME) synthesis. A full factorial design was used to evaluate the significance of the three process factors (methanol-to-oil molar ratio, flow rate of the reactants and bed height) statistically. Moreover, the recently reported kinetic model of methanolysis was used to describe variations of FAME and triacylglycerols (TAG) concentrations along the reactor length. The kinetic model predicted the axial concentration profiles of TAG and FAME in the reactor with acceptable accuracy. A high FAME content (98.5%) could be achieved at the two thirds of the bed of quicklime bits without loss of catalytic activity within 30 h of continuous operation.
PB  - Elsevier Ltd
T2  - Fuel
T1  - Continuous sunflower oil methanolysis over quicklime in a packed-bed tubular reactor
EP  - 307
SP  - 301
VL  - 154
DO  - 10.1016/j.fuel.2015.03.057
ER  - 
@article{
author = "Miladinović, Marija R. and Stamenković, Olivera S. and Veljković, Vlada B. and Skala, Dejan U.",
year = "2015",
abstract = "The continuous sunflower oil methanolysis catalyzed by quicklime in a packed-bed tubular reactor of 60 cm height was studied at 60 °C using methanol-to-oil molar ratios from 6:1 to 18:1 and weight hourly space velocities from 0.188 to 0.376 (kg/kgcat h). The main goal was to establish the effect of the process variables on the fatty acid methyl esters (FAME) synthesis. A full factorial design was used to evaluate the significance of the three process factors (methanol-to-oil molar ratio, flow rate of the reactants and bed height) statistically. Moreover, the recently reported kinetic model of methanolysis was used to describe variations of FAME and triacylglycerols (TAG) concentrations along the reactor length. The kinetic model predicted the axial concentration profiles of TAG and FAME in the reactor with acceptable accuracy. A high FAME content (98.5%) could be achieved at the two thirds of the bed of quicklime bits without loss of catalytic activity within 30 h of continuous operation.",
publisher = "Elsevier Ltd",
journal = "Fuel",
title = "Continuous sunflower oil methanolysis over quicklime in a packed-bed tubular reactor",
pages = "307-301",
volume = "154",
doi = "10.1016/j.fuel.2015.03.057"
}
Miladinović, M. R., Stamenković, O. S., Veljković, V. B.,& Skala, D. U.. (2015). Continuous sunflower oil methanolysis over quicklime in a packed-bed tubular reactor. in Fuel
Elsevier Ltd., 154, 301-307.
https://doi.org/10.1016/j.fuel.2015.03.057
Miladinović MR, Stamenković OS, Veljković VB, Skala DU. Continuous sunflower oil methanolysis over quicklime in a packed-bed tubular reactor. in Fuel. 2015;154:301-307.
doi:10.1016/j.fuel.2015.03.057 .
Miladinović, Marija R., Stamenković, Olivera S., Veljković, Vlada B., Skala, Dejan U., "Continuous sunflower oil methanolysis over quicklime in a packed-bed tubular reactor" in Fuel, 154 (2015):301-307,
https://doi.org/10.1016/j.fuel.2015.03.057 . .

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