Journal
FUEL PROCESSING TECHNOLOGY
Volume 90, Issue 9, Pages 1164-1166Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.fuproc.2009.05.008
Keywords
Biodiesel; Beef tallow; Ultrasonic irradiation; Transesterification
Funding
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Financiadora de Estudos e Projetos (FINEP)
- Fundacao de Amparo a Pesquisa do Estado da Bahia (FAPESB)
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Tallow is biodiesel feedstock that, due to its highly centralized generation in slaughter/processing facilities and historically low prices, may have energetic, environmental, and economic advantages that could be exploited. Transesterification of fatty acids by means of ultrasonic energy has been used for biodiesel production from different vegetable oils. However, application of ultrasonic irradiation for biodiesel production from beef tallow has received little attention. In this work, the transesterification of beef tallow with methanol was performed in the presence of potassium hydroxide as a catalyst using ultrasound irradiation (400 W. 24 kHz). The reaction time, conversion and biodiesel quality were compared with that seen in conventional transesterification. The results indicated that the reaction conversion and biodiesel quality were similar; however, the use of ultrasonic irradiation decreased the reaction time. showing that this method may be a promising alternative to the conventional method. (C) 2009 Elsevier B.V. All rights reserved.
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