Kinetics-based activation energy of one-step optimized transesterification in producing quality biodiesel from black soldier fly larvae oil

doi:10.1016/j.cherd.2025.04.045

淡江大學機構典藏 > 工學院 > 化學工程與材料工程學系暨研究所 > 期刊論文 > Item 987654321/127374

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题名:	Kinetics-based activation energy of one-step optimized transesterification in producing quality biodiesel from black soldier fly larvae oil
作者:	Ng, Judy Min Hui;Liew, Chin Seng;Sobri, Mohamad Zulfadhli Ahmad;Sahrin, Nurul Tasnim;Ramli, Anita;Lim, Jun Wei;Khoo, Kuan Shiong;Chan, Yi Jing;Ho, Chii-Dong
日期:	2025-06
上传时间:	2025-05-26 12:05:14 (UTC+8)
摘要:	Black soldier fly (BSF; Hermetia illucens), is an appealing solution towards organic waste reduction, and biodiesel production owing to its high oil content at maturity. However, with more commercial focus on the insect protein, its oil fraction has been an underutilized by-product from the larval processing industry. In this regard, the current study has successfully unveiled the one-step alkaline-catalyzed transesterification, which achieve the highest biodiesel yield of 88.08 % ± 0.75 %, at optimum parameters of 6:1 of methanol-to-oil molar ratio, 1.5 wt% of KOH, within 1.5 h at an exceptionally low temperature of 35 °C. The kinetics of this mild reaction had found to be a pseudo-second order reaction, where the conversion of monoglycerides to fatty acid methyl esters (FAMEs) and glycerin at 35 °C attained a rate constant of 11.94 min−1. The energies of activation (Ea) for the hydrolysis of triglyceride, diglyceride and monoglyceride were determined to be 43.19, 35.52 and 21.69 kJ/mol, respectively. Notably, the biodiesel met majority key quality specifications outlined in EN 14214, ASTM D6751 and MS 2008:2008, demonstrating the viability of this simplified method for biodiesel production. This approach contributes to circular bioeconomy by interlinking the waste valorisation with renewable energy production.
關聯:	Chem. Eng. Research Design, 218, p.428-437
DOI:	10.1016/j.cherd.2025.04.045
显示于类别:	[化學工程與材料工程學系暨研究所] 期刊論文

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