Journal
FUEL
Volume 88, Issue 7, Pages 1302-1306Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2009.01.016
Keywords
Biodiesel; Transesterification; Jatropha curcas; Pongamia glabra (Karanja); Free fatty acid
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The non-edible vegetable oils such as Jatropha curcas and Pongamia glabra (karanja) and edible oils such as corn and canola were found to be good viable sources for producing biodiesel. Biodiesel production from different edible and non-edible vegetable oils was compared in order to optimize the biodiesel production process. The analysis of different oil properties, fuel properties and process parameter optimization of non-edible and edible vegetable oils were investigated in detail. A two-step and single-step transesterification process was used to produce biodiesel from high free fatty acid (FFA) non-edible oils and edible vegetable oils, respectively. This process gives yields of about 90-95% for J. curcas, 80-85% for P. glabra. 80-95% for canola, and 85-96% for corn using potassium hydroxide (KOH) as a catalyst. The fuel properties of biodiesel produced were compared with ASTM standards for biodiesel. (C) 2009 Elsevier Ltd. All rights reserved.
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