Keywords
heterogeneous catalysts
methanol
calcium hidroxide
calcium cabonate
methanol
calcium hidroxide
calcium cabonate
How to Cite
Mendoza Bustamante, H. M., García M., S. A., Cevallos Cedeno, R. E., & García Vinces, G. O. (2023). Efficacy of calcium hydroxide as a catalyst in the transesterification of first generation oil. Minerva, 2023(Special), 198-209. https://doi.org/10.47460/minerva.v2023iSpecial.144
Abstract
The present work aimed to evaluate the effectiveness of Ca(OH)2 obtained from eggshells as a catalyst in the transesterification of first-generation oil compared to catalysts such as Na(OH) and Ca(OH)2.GR. The eggshells were subjected to thermal treatment in a muffle furnace with temperature intervals to reduce CaCO3 to CaO. Once the calcium oxide was obtained, it was mixed with distilled water, which evaporated over time due to the exothermic reaction of CaO conversion to produce Ca(OH)2. The results showed that Ca(OH)2.GR has greater efficacy than Ca(OH)2 obtained from eggshells, while Na(OH) proved superior to the other catalysts used in the study
References
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[2] O. Awogbemi, F. Inambao y E. I. Onuh, «Modification and characterization of chicken eggshell for possible catalytic applications.,» Heliyon, vol. 6, nº 10, 2020.
[3] Y. B. Cho y G. Seo, «High activity of acid-treated quail eggshell catalysts in the transesterification of palm oil with methanol,» Bioresource Technology, vol. 101, nº 22, pp. 8515-8519, 2010.
[4] Z. Helwani , M. R. Othman, N. Aziz, J. Kim y W. J. Fernando N., «Solid heterogeneous catalysts for transesterification of triglycerides with methanol: A review,» Applied Catalysis A: General, vol. 363, nº 1-2, pp. 1-10, 2009.
[5] S. T. Keera, S. M. El Sabagh y A. R. Taman, «Tranesterification of vegetable oil to biosiedel fuel using alkaline catalyst,» Fuel, vol. 90, nº 1, pp. 42-47, 2011.
[6] G. Charry Parra, Transesterificacion de aceite de palma con metanol por catálisis heterogénea usando CaO y Fe2O3 como catalizadores, 2005.
[7] A. B. Chhetri, K. C. Watts y M. R. Islam, «Waste cooking oil as an alternate feedstock for biodiesel production,» Energies, vol. 1, nº 1, pp. 3-18, 2008.
[8] R. Peña , R. Romero, S. L. Martínez, M. J. Ramos, A. Martínez y R. Natividad, «Transesterification of castor oil: Effect of catalyst and co-solvent,» Industrial & Engineering Chemistry Research, vol. 48, nº 3, pp. 1186-189, 2009.
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