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Valorization of walnut shell ash as a catalyst for biodiesel production

Authorized Users Only
2020
Authors
Miladinović, Marija R.
Zdujić, Miodrag
Veljović, Đorđe
Krstić, Jugoslav B.
Banković Ilić, Ivana B.
Veljković, Vlada B.
Stamenković, Olivera S.
Article (Published version)
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Abstract
The catalytic activity of the walnut shell ash was investigated in the biodiesel production by the sunflower oil methanolysis. The catalyst was characterized by the TG-DTA, XRD, Hg porosimetry, N2 physisorption, SEM, and Hammett method. In addition, the effects of the catalyst loading and the methanol-to-oil molar ratio on the methyl esters synthesis were tested at the reaction temperature of 60 °C. The walnut shell ash provided a very fast reaction and a high FAME content (over 98%). As the reaction occurred in the absence of triacylglycerols mass transfer limitation, the pseudo-first-order model was employed for describing the kinetics of the reaction. The catalyst was successfully reused four times after the regeneration of the catalytic activity by recalcination at 800 °C.
Keywords:
walnut shell / sunflower oil / methanolysis / kinetics / biodiesel / ash
Source:
Renewable Energy, 2020, 147, 1033-1043
Publisher:
  • Elsevier
Projects:
  • Nanostructured Functional and Composite Materials in Catalytic and Sorption Processes (RS-45001)
  • Project 0-14-18 of the SASA Branch in Niš, Serbia

DOI: 10.1016/j.renene.2019.09.056

ISSN: 09601481

WoS: 000502880700091

Scopus: 2-s2.0-85072388245
[ Google Scholar ]
15
8
URI
http://cer.ihtm.bg.ac.rs/handle/123456789/3217
http://dais.sanu.ac.rs/123456789/6717
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Miladinović, Marija R.
AU  - Zdujić, Miodrag
AU  - Veljović, Đorđe
AU  - Krstić, Jugoslav B.
AU  - Banković Ilić, Ivana B.
AU  - Veljković, Vlada B.
AU  - Stamenković, Olivera S.
PY  - 2020
UR  - http://cer.ihtm.bg.ac.rs/handle/123456789/3217
UR  - http://dais.sanu.ac.rs/123456789/6717
AB  - The catalytic activity of the walnut shell ash was investigated in the biodiesel production by the sunflower oil methanolysis. The catalyst was characterized by the TG-DTA, XRD, Hg porosimetry, N2 physisorption, SEM, and Hammett method. In addition, the effects of the catalyst loading and the methanol-to-oil molar ratio on the methyl esters synthesis were tested at the reaction temperature of 60 °C. The walnut shell ash provided a very fast reaction and a high FAME content (over 98%). As the reaction occurred in the absence of triacylglycerols mass transfer limitation, the pseudo-first-order model was employed for describing the kinetics of the reaction. The catalyst was successfully reused four times after the regeneration of the catalytic activity by recalcination at 800 °C.
PB  - Elsevier
T2  - Renewable Energy
T1  - Valorization of walnut shell ash as a catalyst for biodiesel production
SP  - 1033
EP  - 1043
VL  - 147
DO  - 10.1016/j.renene.2019.09.056
ER  - 
@article{
author = "Miladinović, Marija R. and Zdujić, Miodrag and Veljović, Đorđe and Krstić, Jugoslav B. and Banković Ilić, Ivana B. and Veljković, Vlada B. and Stamenković, Olivera S.",
year = "2020",
url = "http://cer.ihtm.bg.ac.rs/handle/123456789/3217, http://dais.sanu.ac.rs/123456789/6717",
abstract = "The catalytic activity of the walnut shell ash was investigated in the biodiesel production by the sunflower oil methanolysis. The catalyst was characterized by the TG-DTA, XRD, Hg porosimetry, N2 physisorption, SEM, and Hammett method. In addition, the effects of the catalyst loading and the methanol-to-oil molar ratio on the methyl esters synthesis were tested at the reaction temperature of 60 °C. The walnut shell ash provided a very fast reaction and a high FAME content (over 98%). As the reaction occurred in the absence of triacylglycerols mass transfer limitation, the pseudo-first-order model was employed for describing the kinetics of the reaction. The catalyst was successfully reused four times after the regeneration of the catalytic activity by recalcination at 800 °C.",
publisher = "Elsevier",
journal = "Renewable Energy",
title = "Valorization of walnut shell ash as a catalyst for biodiesel production",
pages = "1033-1043",
volume = "147",
doi = "10.1016/j.renene.2019.09.056"
}
Miladinović MR, Zdujić M, Veljović Đ, Krstić JB, Banković Ilić IB, Veljković VB, Stamenković OS. Valorization of walnut shell ash as a catalyst for biodiesel production. Renewable Energy. 2020;147:1033-1043
Miladinović, M. R., Zdujić, M., Veljović, Đ., Krstić, J. B., Banković Ilić, I. B., Veljković, V. B.,& Stamenković, O. S. (2020). Valorization of walnut shell ash as a catalyst for biodiesel production.
Renewable EnergyElsevier., 147, 1033-1043. 
https://doi.org/10.1016/j.renene.2019.09.056
Miladinović Marija R., Zdujić Miodrag, Veljović Đorđe, Krstić Jugoslav B., Banković Ilić Ivana B., Veljković Vlada B., Stamenković Olivera S., "Valorization of walnut shell ash as a catalyst for biodiesel production" 147 (2020):1033-1043,
https://doi.org/10.1016/j.renene.2019.09.056 .

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