Resumo

RODRIGUEZ BUSTAMANTE, Josué Iván; MEZA GAGO, Dennys José  e  GUTIERREZ RODRIGUEZ, Iliana Del Carmen. Biodiesel production performance by transesterification from used soybean oil. Fides Et Ratio [online]. 2022, vol.23, n.23, pp.149-176. ISSN 2071-081X.

Abstract The objective was to evalúate the yield of biodiesel production from used soybean oil for a better use of used oils by the transesterification method, Calcium Oxide (2 and 6%) and the Molar Ratio of ethanol were evaluated: oil (9:1 and 15:1). A 22 factorial experimental design with five central points was proposed to evalúate the effect of the ethanohoil molar ratio parameters and the percentage of Calcium Oxide concentration on biodiesel yield. The highest biodiesel yield was 60.9%, with a 15: 1 ethanohoil molar ratio and a 6% calcium oxide concentration. It should be noted that this performance could be optimized by applying the response surface methodology, the viscosity was 8.70 centistokes, a result that was cióse to the ASTM D6751-09 standard. Finally the control variables with molar ratios greater than 15:1 and catalyst concentrations cióse to 6% are applicable to optimize the yield of biodiesel production

Palavras-chave : Transesterification; catalyst; molar ratio; viscosity.

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