Biodiesel from black soldier fly larvae grown on restaurant kitchen waste

Azlan bin Kamari

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Type :	article
Subject :	Q Science (General)
Main Author :	Azlan bin Kamari
Additional Authors :	S. Ishak
Title :	Biodiesel from black soldier fly larvae grown on restaurant kitchen waste

Place of Production :	Tanjong Malim
Publisher :	Fakulti Sains dan Matematik
Year of Publication :	2019
Corporate Name :	Universiti Pendidikan Sultan Idris

Abstract : Universiti Pendidikan Sultan Idris

Biodiesel from insect larvae is an alternative to plant biodiesel, which have issues of using edible plants. On the contrary, insects can grow on waste. Although the conversion of larval lipids to biodiesel is known, characterisation of larval biodiesel is rarely reported. Here, black soldier fy larvae were cultivated for 20 days on kitchen waste. Larval lipids were extracted and converted to biodiesel by two-step transesterifcation. Analysis by optical polarisation microscopy from −5 to +15 °C showed tiny needle-like shaped crystals. Fourier transform infrared spectra of black soldier fy biodiesel revealed absorption bands at 1459 and 1435 cm−1 corresponding to methyl ester, the main functional group of biodiesel. Nuclear magnetic resonance (NMR) analysis confrmed the presence of methyl ester by showing peaks at 3.6 and 2.3 ppm by 1 H NMR, and at 176 and 51.56 ppm by 13C NMR. Overall, our results confrm the successful conversion of black soldier fy larval lipid to biodiesel. This biodiesel met the American Society for Test and Materials D6751 and European Standard 14214.

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