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Revista ION
versão impressa ISSN 0120-100Xversão On-line ISSN 2145-8480
Resumo
FERREIRA DA SILVA NETO, João et al. Babassu coconut (Orbignya speciosa Mart.) oil extracted industrially and manually as feedstock for biodiesel production. Rev. ion [online]. 2021, vol.34, n.2, pp.95-104. Epub 27-Jul-2021. ISSN 0120-100X. https://doi.org/10.18273/revion.v34n2-2021009.
The use of renewable energy sources, such as vegetable oils like babassu coconut (Orbignya speciosa Mart.) oil extracted industrially and manually, has economic and environmental advantages. In this scenario, the present work presents the production and characterization biodiesel of babassu coconut oil extracted industrially and manually. Biofuels were obtained by alkaline transesterification, using potassium hydroxide and methanol. The characterization was performed by infrared with Fourier transform (FTIR), kinematic viscosity, density, sulphated ash, acidity index, pour point, flash point and gas chromatography. According to the results, the Fourier-transform infrared spectroscopy FTIR spectra showed characteristic absorption of esters, the C=O bond stretches (1704 cm-1 and 1742 cm-1) and C-O (1112 cm-1 and 1111 cm-1). The results of the kinematic viscosity, density, acidity index, pour point and flash point tests were in compliance with the limits established by the ANP, Resolution no. 45/2014. The gas chromatography showed the predominance of methyl esters derived from lauric (C12:0), miristic (C14:0) and palmitic (C16:0) acids. Thus, babassu coconut oil extracted industrially and manually proved to be viable for the production of biodiesel, presenting itself as a potential raw material for the biofuel sector, given the significant volume of babassu plantations in the state of Maranhão.
Palavras-chave : Transesterification; Pour point; Chromatography; Flash point.