Lipase Cocktail for Optimized Biodiesel Production of Free Fatty Acids from Residual Chicken Oil

In this work, the combination of different lipases was employed for the production of biodiesel, using the Free Fatty Acids (FFAs) from Residual Chicken Oil (RCO) as a substrate. As biocatalysts, lipases A and B from Candida antarctica (CALA and CALB, respectively) and lipase from Rhizomucor miehei...

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Bibliographic Details
Published in:Catalysis letters 2021-04, Vol.151 (4), p.1155-1166
Main Authors: Rocha, Thales G., de L. Gomes, Pedro H., de Souza, Maria C. M., Monteiro, Rodolpho R. C., dos Santos, José C. S.
Format: Article
Language:English
Subjects:
Biodiesel fuels
Catalysis
Chemistry
Chemistry and Materials Science
Esterification
Ethanol
Fatty acids
Industrial Chemistry/Chemical Engineering
Lipase
Organometallic Chemistry
Phenolphthalein
Physical Chemistry
Substrates
Taguchi methods
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Summary:In this work, the combination of different lipases was employed for the production of biodiesel, using the Free Fatty Acids (FFAs) from Residual Chicken Oil (RCO) as a substrate. As biocatalysts, lipases A and B from Candida antarctica (CALA and CALB, respectively) and lipase from Rhizomucor miehei (RML) were used in different combinations; as a result, the best lipase cocktail was composed of 67% CALB and 33% RML, which was used to optimize the esterification reaction parameters (molar ratio (FFAs/ ethyl alcohol), biocatalyst content, temperature and time) by the Taguchi method. Under optimized conditions (1:5, 15% of lipase cocktail, 30 °C and 3 h), it was possible to achieve 89.95 ± 0.3% of conversion. Graphic Abstract
ISSN:1011-372X
1572-879X
DOI:10.1007/s10562-020-03367-w