Abstract
Transesterification of rice bran oil was investigated to produce the bio-diesel oil. Experimental conditions included molar ratio of rice bran oil to alcohol (1:3, 1:5 and 1 :7), concentration of catalyst used (0.5, 1.0 and 1.5 wt%), types of catalysts (sodium methoxide, NaOH and KOH), reaction temperatures (30, 45 and 60°C) and types of alcohols (methanol, ethanol and butanol). The conversion of rice bran oil increased with the alcohol mixing ratio and with the reaction temperature. Sodium methoxide was the most effective among the catalysts. The conversion was increased with the concentration of catalyst, but slightly increased over 1.0 wt%. The best conversion was obtained using methanol with sodium methoxide. In that case, 98% conversion was achieved within 1 hr. The physical properties of rice bran oil for diesel fuel can be significantly improved by transesterification reaction.
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References
Bradshow, G. B.,“A Report on Ester Interchange”,Soap Saint. Chem.,18, 23 (1942).
Bradshow, G. B. and Meuly, W. C., US Patent 2,360,844 (1944).
Freedman, B., Pryde, E. H. and Mounts, T. L.,“Variables Affecting the Yields of Fatty Esters from Transesterified Vegetable Oils”,JAOCS,61, 1638 (1984).
Keim, G. I., US Patent 2,383,601 (1945).
Kim, S. H.,“Purification Technology of Exhaust Gas for Diesel Engine Vehicle ”,Chemical Industry and Technology,10, 76 (1992).
Lehman, L. W. and Gauglitz, E. J., Recovery of Short, Medium and Long Chain Fatty Acid Methyl Esters Using Wet Halogenated Hydrocarbons”,JAOCS,43, 383 (1966).
Markely, K. S.,“din Fatty Acids, Their Chemistry, Properties, Production and Uses”, edited by Markely, K. S., 2nd ed., Interscience Publishers, New York, part 2, p.861 (1961).
Schwab, A. W., Bagby, M. O. and Freedman, B.,“Preparation and Properties of Diesel Fuels from Vegetable Oils”,FUEL,66, 1372 (1987).
Shidaran, R. and Mathai, I. M.,“Interesteriication of Fats”,J. Sci. Ind. Res.,33, 178 (1974).
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Bak, YC., Choi, JH., Kim, SB. et al. Production of bio-diesel fuels by transesterification of rice bran oil. Korean J. Chem. Eng. 13, 242–245 (1996). https://doi.org/10.1007/BF02705945
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DOI: https://doi.org/10.1007/BF02705945