Enzymatic production of biodiesel from insect fat using methyl acetate as an acyl acceptor: Optimization by using response surface methodology was written by Nguyen, Hoang Chinh;Liang, Shih-Hsiang;Chen, Shang-Sian;Su, Chia-Hung;Lin, Jhih-Huei;Chien, Chien-Chung. And the article was included in Energy Conversion and Management in 2018.Formula: C20H40O2 The following contents are mentioned in the article:
Black soldier fly larvae (BSFL) are oleaginous insects that can assimilate organic waste for fat accumulation, and thus serve as an alternative feedstock for biodiesel production In lipase-catalyzed transesterification, enzymes are deactivated by excess methanol. To address this obstacle, Me acetate is suggested as an alternative acyl acceptor to methanol. In this study, Me acetate was first used in the enzymic production of biodiesel with BSFL as a triglyceride source. The interesterification of BSFL fat with Me acetate was catalyzed using Novozym 435 as an efficient immobilized lipase. Response surface methodol. was used to optimize the reaction and establish a reliable math. model for prediction. A maximum biodiesel yield of 96.97% was reached at a reaction time of 12 h, molar ratio of Me acetate to fat of 14.64: 1, enzyme loading of 17.58%, and temperature of 39.5 °C. Under these optimal reaction conditions, Novozym 435 could be reused for up to 20 cycles without loss in enzyme activity. The properties of BSFL biodiesel were also investigated and all met the European standard EN 14214. This study indicates that the enzymic interesterification of BSFL fat with Me acetate is a promising and ecofriendly method for green fuel production This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Formula: C20H40O2).
Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Formula: C20H40O2
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics