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Optimization of CaO-catalyzed sunflower oil methanolysis with crude biodiesel as a cosolvent
dc.creator | Todorović, Zoran B. | |
dc.creator | Troter, Dragan Z. | |
dc.creator | Đokić Stojanović, Dušica R. | |
dc.creator | Veličković, Ana V. | |
dc.creator | Avramović, Jelena M. | |
dc.creator | Stamenković, Olivera S. | |
dc.creator | Veselinović, Ljiljana | |
dc.creator | Veljković, Vlada B. | |
dc.date.accessioned | 2018-10-25T10:33:33Z | |
dc.date.available | 2020-10-16 | |
dc.date.issued | 2019 | |
dc.identifier.issn | 0016-2361 | |
dc.identifier.uri | http://www.sciencedirect.com/science/article/pii/S0016236118317691 | |
dc.identifier.uri | https://dais.sanu.ac.rs/123456789/4069 | |
dc.description.abstract | Crude biodiesel was proven as a cosolvent in the methanolysis of sunflower oil catalyzed by calcined CaO. This reaction was modeled and optimized statistically in terms of reaction temperature (33.2–66.8 °C), methanol-to-oil molar ratio (3.5:1–8.5:1) and catalyst concentration (0.219–1.065 mol/L). The cosolvent loading was 10 wt% (based on oil weight). The optimum reaction conditions were found to be: the methanol-to-oil molar ratio of 7.1:1, the catalyst concentration of 0.74 mol/L and the reaction temperature 52 °C, ensuring the best esters content of 99.8%, for the reaction time of 1.5 h, which is close to the reported experimental value of 98.9%. Also, the used catalyst was recycled with no additional treatment in the further four consecutive cycles under the following reaction conditions: methanol-to-oil molar ratio 6:1, the concentration of catalyst 0.642 mol/L (only in the first run), the reaction temperature 50 °C, cosolvent-crude biodiesel loading 10 wt% to oil weight. The second recycling reaction provided the highest FAME content of 97.7% after 5 h. | en |
dc.publisher | Elsevier | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45001/RS// | |
dc.relation.isversionof | https://hdl.handle.net/21.15107/rcub_dais_4070 | |
dc.relation.isversionof | http://dx.doi.org/10.1016/j.fuel.2018.10.056 | |
dc.relation.isreferencedby | https://hdl.handle.net/21.15107/rcub_dais_4071 | |
dc.rights | embargoedAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.source | Fuel | |
dc.subject | biodiesel | |
dc.subject | calcium leaching | |
dc.subject | CaO | |
dc.subject | cosolvent | |
dc.subject | methanolysis | |
dc.subject | recycling | |
dc.title | Optimization of CaO-catalyzed sunflower oil methanolysis with crude biodiesel as a cosolvent | en |
dc.type | article | en |
dc.rights.license | BY-NC-ND | |
dcterms.abstract | Стаменковић, Оливера С.; Тодоровић, Зоран Б.; Тротер, Драган З.; Ђокић Стојановић, Душица Р.; Веселиновић, Љиљана; Вељковић, Влада Б.; Величковић, Aна В.; Aврамовић, Јелена М.; | |
dc.citation.spage | 903 | |
dc.citation.epage | 910 | |
dc.citation.volume | 237 | |
dc.identifier.wos | 000448573200087 | |
dc.identifier.doi | 10.1016/j.fuel.2018.10.056 | |
dc.identifier.scopus | 2-s2.0-85054878189 | |
dc.description.other | This is the peer-reviewed version of the article: Todorović, Zoran B., Dragan Z. Troter, Dušica R. Đokić-Stojanović, Ana V. Veličković, Jelena M. Avramović, Olivera S. Stamenković, Ljiljana M. Veselinović, and Vlada B. Veljković. 2019. “Optimization of CaO-Catalyzed Sunflower Oil Methanolysis with Crude Biodiesel as a Cosolvent.” Fuel 237 (February): 903–10. [https://doi.org/10.1016/j.fuel.2018.10.056]. | |
dc.description.other | Supplementary material: [https://hdl.handle.net/21.15107/rcub_dais_4071] | |
dc.description.other | Published version: [https://hdl.handle.net/21.15107/rcub_dais_4070] | |
dc.type.version | acceptedVersion | |
dc.identifier.fulltext | https://dais.sanu.ac.rs/bitstream/id/12713/Todorovic-Fuel-2018.pdf | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_dais_4069 |