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Jatropha curcas seed oil as a viable source for biodiesel

by Umer Rashid, Farooq Anwar, Amer Jamil, Haq Nawaz Bhatti
Pakistan Journal of Botany ()


The purpose of the present study was to explore the utility of Jatropha (Jatropha curcas) seed oil for biodiesel production. The preliminarily evaluated Jatropha oil was transmethylated under optimized set of reaction conditions: methanol/oil molar ratio (6:1), sodium methoxide catalyst concentration (1.00%), temperature (65 degrees C) and mixing intensity (600 rpm) providing 94.00% yield of Jatropha oil methyl esters (JOMEs)/biodiesel. The gas chromatographic (GC) analysis showed that JOMEs mainly comprised of six fatty acids: linoleic (49.75%), stearic (16.80%), oleic (13.00%), palmitic (12.15%), arachidic (5.01%) and gadoleic (2.00%) acids. H-1-NMR spectrum of JOMEs was also recorded. The thermal stability of the JOMEs produced was assessed by thermogravimetric analysis (TGA). The fuel properties of the biodiesel produced were found to be within the standards specifications of ASTM D 6751 and EN 14214.

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