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Mechanical Extraction and Fuel Properties Evaluation of Hura crepitans Seed Oil

Otoikhian SK, Aluyor EO and Audu TOK

Hura crepitans seeds (HCS) from H. crepitans tree were collected and extracted by mechanical screw press at a constant pressure of 25 N/m2. A study in terms of proximate, elemental and fatty acid contents of the oil was investigated using standard analytical techniques. The results were as follows acid value 8.49 mg·KOH/g, flash point 249°C, cloud point 11°C, pour point -6°C, density 919.38 kg/m3, kinematic viscosity 59.88 Cst, Sulphur 0.0174%, water and residue 2.686%, brownish colouration, free fatty acid 4.15%, iodine value 164.34 g/100, saponification value 236.12 mg·KOH/g, free glycerin 0.614%, total glycerin 8.253% and percentage oil yield 38.40%. The results of the fuel properties reveal its potential viability as biodiesel feedstock.