Heterogeneous catalysis afford biodiesel of babassu, castor oil and blends
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Data
2013-05-06
Autores
De Carvalho, Lee M.G.
De Abreu, Wiury C.
De O. E Silva, Maria Das Graças
De O. Lima, José Renato [UNESP]
De Oliveira, José Eduardo [UNESP]
De Matos, José Milton E.
De Moura, Carla V.R.
De Moura, Edmilson M.
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Resumo
This work describes the preparation of babassu, castor oil biodiesel and mixtures in various proportions of these oils, using alkaline compounds of strontium (SrCO3 + SrO + Sr (OH)2) as heterogeneous catalysts. The mixture of oils of these oleaginous sources was used in the production of biodiesel with quality parameters that meet current legislation. The catalyst was characterized by X-ray diffractometry (XDR), physisorption of gas (BET method), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDX) and Fourier transform infrared spectroscopy (FTIR). The viscometric technique was used to monitor the optimization. The transesterification reactions performed using strontium compounds reached conversion rates of 97.2% babassu biodiesel (BB), 96.4% castor oil biodiesel (COB) and 95.3% Babassu/Castor Oil Biodiesel 4:1 (BBCO41). Printed in Brazil - ©2013 Sociedade Brasileira de Química.
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Palavras-chave
Biodiesel, Heterogeneous catalysis, Strontium oxide
Como citar
Journal of the Brazilian Chemical Society, v. 24, n. 4, p. 550-557, 2013.