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Lipase Cocktail for Optimized Biodiesel Production of Free Fatty Acids from Residual Chicken Oil
Catalysis Letters ( IF 2.3 ) Pub Date : 2020-09-02 , DOI: 10.1007/s10562-020-03367-w
Thales G. Rocha , Pedro H. de L. Gomes , Maria C. M. de Souza , Rodolpho R. C. Monteiro , José C. S. dos Santos

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.

中文翻译:

从残留鸡油中优化生物柴油生产游离脂肪酸的脂肪酶混合物

在这项工作中,不同脂肪酶的组合用于生产生物柴油,使用来自残留鸡油 (RCO) 的游离脂肪酸 (FFA) 作为底物。作为生物催化剂,来自南极念珠菌(分别为 CALA 和 CALB)的脂肪酶 A 和 B 以及来自米黑根霉(RML)的脂肪酶以不同的组合使用;因此,最佳脂肪酶混合物由 67% CALB 和 33% RML 组成,用于通过田口法优化酯化反应参数(摩尔比(FFA/乙醇)、生物催化剂含量、温度和时间)。在优化条件下(1:5,15% 的脂肪酶混合物,30 °C 和 3 小时),可以实现 89.95 ± 0.3% 的转化率。
更新日期:2020-09-02
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