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Non-Edible Plant Oils as New Sources for Biodiesel Production
Faculty of Engineering, Dalhousie University, 1360 Barrington Street, Halifax NS B3J 2X4, Canada
School of Engineering, Acadia University, Wolfville, NS, Canada
* Author to whom correspondence should be addressed.
Received: 5 December 2007 / Accepted: 28 January 2008 / Published: 8 February 2008
Abstract: Due to the concern on the availability of recoverable fossil fuel reserves and the environmental problems caused by the use those fossil fuels, considerable attention has been given to biodiesel production as an alternative to petrodiesel. However, as the biodiesel is produced from vegetable oils and animal fats, there are concerns that biodiesel feedstock may compete with food supply in the long-term. Hence, the recent focus is to find oil bearing plants that produce non-edible oils as the feedstock for biodiesel production. In this paper, two plant species, soapnut (Sapindus mukorossi) and jatropha (jatropha curcas, L.) are discussed as newer sources of oil for biodiesel production. Experimental analysis showed that both oils have great potential to be used as feedstock for biodiesel production. Fatty acid methyl ester (FAME) from cold pressed soapnut seed oil was envisaged as biodiesel source for the first time. Soapnut oil was found to have average of 9.1% free FA, 84.43% triglycerides, 4.88% sterol and 1.59% others. Jatropha oil contains approximately 14% free FA, approximately 5% higher than soapnut oil. Soapnut oil biodiesel contains approximately 85% unsaturated FA while jatropha oil biodiesel was found to have approximately 80% unsaturated FA. Oleic acid was found to be the dominant FA in both soapnut and jatropha biodiesel. Over 97% conversion to FAME was achieved for both soapnut and jatropha oil.
Keywords: biodiesel; petrodiesel; non-edible plant oils; soapnut; jatropha curcas L.; sustainabality
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Cite This Article
MDPI and ACS Style
Chhetri, A.B.; Tango, M.S.; Budge, S.M.; Watts, K.C.; Islam, M.R. Non-Edible Plant Oils as New Sources for Biodiesel Production. Int. J. Mol. Sci. 2008, 9, 169-180.
Chhetri AB, Tango MS, Budge SM, Watts KC, Islam MR. Non-Edible Plant Oils as New Sources for Biodiesel Production. International Journal of Molecular Sciences. 2008; 9(2):169-180.
Chhetri, Arjun B.; Tango, Martin S.; Budge, Suzanne M.; Watts, K. C.; Islam, M. R. 2008. "Non-Edible Plant Oils as New Sources for Biodiesel Production." Int. J. Mol. Sci. 9, no. 2: 169-180.