Biodiesel from the seed oil of Treculia africana with high free fatty acid content

被引:6
作者
Adewuyi, Adewale [1 ]
Oderinde, Rotimi A. [2 ]
Ojo, David F.K. [2 ]
机构
[1] Department of Chemical Sciences, Faculty of Natural Sciences, Redeemer's University, Redemption City, Ogun State
[2] Industrial Unit, Department of Chemistry, University of Ibadan, Ibadan, Oyo State
关键词
Biodiesel; Fatty acid; Seed oil; Transesterification; Treculia africana;
D O I
10.1007/s13399-012-0057-z
中图分类号
学科分类号
摘要
Oil was extracted from the seed of Treculia africana using hexane. The oil was characterized and used in the production of biodiesel. Biodiesel was produced from the seed oil of T. africana using a two-step reaction system. The first step was a pretreatment which involved the use of 2 % sulfuric acid in methanol, and secondly, transesterification reaction using KOH as catalyst. Saponification value of the oil was 201. 70 ± 0. 20 mg KOH/g, free fatty acid was 8. 20 ± 0. 50 %, while iodine value was 118. 20 ± 0. 50 g iodine/100 g. The most dominant fatty acid was C18:2 (44 %). The result of the method applied showed a conversion which has ester content above 98 %, flash point of 131 ± 1. 30 °C, and phosphorus content below 1 ppm in the biodiesel. The biodiesel produced exhibited properties that were in agreement with the European standard (EN 14214). This study showed that the high free fatty acid content of T. africana seed oil can be reduced in a one-step pretreatment of esterification reaction using H2SO4 as catalyst. © 2012 Springer-Verlag.
引用
收藏
页码:305 / 308
页数:3
相关论文
共 31 条
[1]  
Knothe G., Krahl J., van Gerpen J., The Biodiesel Handbook, (2005)
[2]  
Chisti Y., Biodiesel from microalgae, Biotechnol Adv, 25, pp. 294-306, (2007)
[3]  
Haas M.J., Scott K.M., Alleman T.L., McCormick R.L., Engine performance of biodiesel fuel prepared from soybean soapstock: a high quality renewable fuel produced from a waste feedstock, Energy Fuel, 15, pp. 1207-1212, (2001)
[4]  
Foidl N., Foidl G., Sanchez M., Mittelbach M., Hackel S., Jatropha curcas L. as a source for the production of biofuel in Nicaragua, Bioresour Technol, 58, pp. 77-82, (1996)
[5]  
Zhang Y., Dube M.A., McLean D.D., Kates M., Biodiesel production from waste cooking oil: 2. Economic assessment and sensitivity analysis, Bioresour Technol, 90, pp. 229-240, (2003)
[6]  
Akubor P.I., Proximate composition and selected functional properties of African breadfruit and sweet potato flour blends, Plant Foods Hum Nutr, 51, pp. 53-60, (1997)
[7]  
Nwokocha L.M., Ogunmola G.B., Isolation and characterization of starch from Treculia africana, Decne (African breadfruit) seeds, Niger J Sci, 39, pp. 73-79, (2005)
[8]  
Nwokolo E., Nutritional quality of seeds from the African breadfruit (T. africana, Decne), Trop Sci, 27, pp. 39-47, (1987)
[9]  
Ajayi I.A., Comparative study of the chemical composition and mineral element content of Artocarpus heterophyllus and Treculia africana, Bioresour Technol, 99, pp. 5125-5129, (2008)
[10]  
Ajiwe V.I.E., Okeke C.A., Agbo H.U., Extraction and utilization of breadfruit seed oil, Bioresour Technol, 53, pp. 183-184, (1995)