A Simple and Fast Method for the Production and Characterization of Methylic and Ethylic Biodiesels from Tucum Oil via an Alkaline Route
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Data
2011-01-01
Autores
de Oliveira, Marcelo Firmino
Vieira, Andressa Tironi [UNESP]
Ferreira Batista, Antonio Carlos
Rodrigues, Hugo de Souza
Stradiotto, Nelson Ramos [UNESP]
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Hindawi Publishing Corporation
Resumo
A simple, fast, and complete route for the production of methylic and ethylic biodiesel from tucum oil is described. Aliquots of the oil obtained directly from pressed tucum (pulp and almonds) were treated with potassium methoxide or ethoxide at 40 degrees C for 40 min. The biodiesel form was removed from the reactor and washed with 0.1 M HCl aqueous solution. A simple distillation at 100 degrees C was carried out in order to remove water and alcohol species from the biodiesel. The oxidative stability index was obtained for the tucum oil as well as the methylic and ethylic biodiesel at 6.13, 2.90, and 2.80 h, for storage times higher than 8 days. Quality control of the original oil and of the methylic and ethylic biodiesels, such as the amount of glycerin produced during the transesterification process, was accomplished by the TLC, GC-MS, and FT-IR techniques. The results obtained in this study indicate a potential biofuel production by simple treatment of tucum, an important Amazonian fruit.
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Journal of Biomedicine and Biotechnology. New York: Hindawi Publishing Corporation, p. 4, 2011.