Por favor, use este identificador para citar o enlazar este ítem: http://repositorio.ufc.br/handle/riufc/69652
Tipo: Artigo de Periódico
Título : A theoretical and experimental study for enzymatic biodiesel production from babassu oil (Orbignya sp.) using eversa lipase
Autor : Alexandre, Jeferson Yves Nunes Holanda
Cavalcante, Francisco Thálysson Tavares
Freitas, Lara Matias
Castro, Alyne Prudêncio
Borges, Pedro Tavares
Sousa Junior, Paulo Gonçalves de
Ribeiro Filho, Manoel Nazareno
Lopes, Ada Amélia Sanders
Fonseca, Aluísio Marques da
Lomonaco, Diego
Rios, Maria Alexsandra de Sousa
Santos, José Cleiton Sousa dos
Palabras clave : Biodiesel;Hydroesterification;Taguchi method;Molecular docking;Molecular dynamics
Fecha de publicación : 2022
Editorial : Catalysts
Citación : RIOS, M. A. S. et al. A theoretical and experimental study for enzymatic biodiesel production from babassu oil (Orbignya sp.) using eversa lipase. Catalysts, [s.l.], v. 12, n. 11, 2022. https://doi.org/10.3390/catal12111322
Abstract: A theoretical and experimental study was carried out on the biocatalytic production of babassu biodiesel through enzymatic hydroesterification. The complete hydrolysis of babassu oil was carried out using a 1:1 mass solution at 40 °C for 4 h using 0.4% of lipase from Thermomyces lanuginosus (TLL). Then, with the use of Eversa® Transform 2.0 lipase in the esterification step, a statistical design was used, varying the temperature (25–55 °C), the molar ratio between free fatty acids (FFAs) and methanol (1:1 to 1:9), the percentage of biocatalyst (0.1% to 0.9%), and the reaction time (1–5 h) using the Taguchi method. The ideal reaction levels obtained after the statistical treatment were 5 h of reaction at 40 °C at a molar ratio of 1:5 (FFAs/methanol) using 0.9% of the biocatalyst. These optimal conditions were validated by chromatographic analysis; following the EN 14103 standard, the sample showed an ester concentration of 95.76%. A theoretical study was carried out to evaluate the stability of Eversa with FFAs. It was observed in the molecular docking results that the ligands interacted directly with the catalytic site. Through molecular dynamics studies, it was verified that there were no significant conformational changes in the studied complexes. Theoretical and experimental results show the feasibility of this process.
URI : http://www.repositorio.ufc.br/handle/riufc/69652
ISSN : 2073-4344
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