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|Title:||Biodiesel production from refined sunflower oil over Ca-Mg-Al catalysts : Effect of the composition and the thermal treatment||Authors:||Dahdah, Eliane
Khoury, Bilal El
|Affiliations:||Department of Chemical Engineering
Department of Chemistry
|Issue Date:||2020||Part of:||Journal of renewable energy||Volume:||146||Start page:||1242||End page:||1248||Abstract:||
Different Ca–Mg–Al catalysts were prepared by the hydrotalcite route using co-precipitation and impregnation techniques. The effect of thermal treatment was studied and the obtained mixed oxides were characterized by X-ray diffraction, N2 adsorption-desorption and CO2-temperature programmed desorption. Catalysts were then tested in the transesterification of sunflower oil. The catalyst that showed the best catalytic performance was an uncalcined Mg4Al2 support impregnated with 40 wt% of calcium followed by a calcination at 600 °C (Ca600/Mg4Al2HT). Optimum conditions for biodiesel production over this catalyst were a reaction time of 6 h, a catalyst to oil ratio of 2.5 wt%, a 15:1 methanol to oil molar ratio, a stirring rate of 400 rpm and a temperature of 60 °C giving a final FAME yield of 95%.
|URI:||https://scholarhub.balamand.edu.lb/handle/uob/1677||DOI:||10.1016/j.renene.2019.06.171||Ezproxy URL:||Link to full text||Type:||Journal Article|
|Appears in Collections:||Department of Chemical Engineering|
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