Table of Contents
Journal of Fuels
Volume 2014 (2014), Article ID 464590, 8 pages
Research Article

Hura crepitans Seed Oil: An Alternative Feedstock for Biodiesel Production

1Department of Chemical Sciences, Faculty of Natural Sciences, Redeemer’s University, Redemption City, Ogun State, Nigeria
2Industrial Unit, Department of Chemistry, University of Ibadan, Ibadan, Oyo State, Nigeria

Received 12 June 2014; Accepted 22 July 2014; Published 10 August 2014

Academic Editor: Xingcai Lu

Copyright © 2014 Adewale Adewuyi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Oil was extracted from the seed of Hura crepitans using hexane in a soxhlet extractor and analyzed for iodine value, saponification value and free fatty acid content. The dominant fatty acid in the oil was C18:2 (%) while the iodine value was  g iodine/100 g. Biodiesel was produced from the oil using a two-step reaction system involving a first step of pretreatment via esterification reaction and a second step via transesterification reaction. The pretreatment step showed that free fatty acid in Hura crepitans seed oil can be reduced in a one-step pretreatment of esterification using H2SO4 as catalyst. The biodiesel produced from Hura crepitans seed oil had an acid value of  mg KOH/g, flash point of 152 ± 1.10°C, copper strip corrosion value of 1A, calorific value of  mJ/kg, cetane number of , and density of  g cm−3. The process gave a biodiesel yield of % with properties within the recommended values of EN 14214.