Swietenia mahagoni seed oil: A new source for biodiesel production

•Oil contains oleic, linoleic, linolenic, palmitic and stearic as major fatty acids.•Biodiesel prepared using esterification followed by transesterification reactions.•The resultant biodiesel was evaluated for physico-chemical properties.•The properties were found to be within in the range of ASTM a...

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Bibliographic Details
Published in:Industrial crops and products 2016-11, Vol.90, p.28-31
Main Authors: Mohan, M. Ram, Jala, Ram Chandra Reddy, Kaki, Shiva Shanker, Prasad, R.B.N., Rao, B.V.S.K.
Format: Article
Language:English
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Summary:•Oil contains oleic, linoleic, linolenic, palmitic and stearic as major fatty acids.•Biodiesel prepared using esterification followed by transesterification reactions.•The resultant biodiesel was evaluated for physico-chemical properties.•The properties were found to be within in the range of ASTM and EN specifications. Swietenia mahagoni seed oil contains common unsaturated fatty acids such as oleic (25.5%), linoleic (32.6%), linolenic (12.2%) and saturated fatty acids, namely, palmitic (13.0%) and stearic (14.1%) as major fatty acids with 58.1% oil content. In the present study, the oil with 1.39% free fatty acids was converted into biodiesel employing conventional acid-catalyzed esterification followed by base-catalyzed transesterification reaction. The resultant biodiesel was evaluated for physico-chemical properties namely iodine value (104.6), free fatty acids (0.05%), phosphorous content (0ppm), flash point (165.0°C), cloud point (7°C), pour point (9°C), viscosity at 40°C (4.13 cSt), oxidative stability at 110°C (3.7h), density (0.880g/cm3 at 15°C), and trace metals (Group I metals, 0.5ppm). The physico-chemical properties were found to be within the range of ASTM and almost falling in the range of EN biodiesel specifications.
ISSN:0926-6690
1872-633X
DOI:10.1016/j.indcrop.2016.06.010