Biodiesel production by esterification of oleic acid with short-chain alcohols under ultrasonic irradiation condition

Author

Hoang Duc Hanh, Nguyen The Dong, Kenji Okitsu, Rokuro Nishimura and Yasuaki Maeda

Renewable Energy, 2009, vol. 34, issue 3, pages 780-783

Abstract: Production of fatty acid ethyl ester (FAEE) from oleic acid (FFA) with short-chain alcohols (ethanol, propanol, and butanol) under ultrasonic irradiation was investigated in this work. Batch esterification of oleic acid was carried out to study the effect of: test temperatures of 10–60°C, molar ratios of alcohol to oleic acid of 1:1–10:1, quantity of catalysts of 0.5–10% (wt of sulfuric acid/wt of oleic acid) and irradiation times of 10h. The optimum condition for the esterification process was molar ratio of alcohol to oleic acid at 3:1 with 5wt% of H2SO4 at 60°C with an irradiation time of 2h.

Keywords: Oleic acid; Ultrasound; Biodiesel; Esterification (search for similar items in EconPapers)
Date: 2009
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