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IJESD 2015 Vol.6(12): 964-969 ISSN: 2010-0264
DOI: 10.7763/IJESD.2015.V6.730

FTIR Analysis for Quantification of Fatty Acid Methyl Esters in Biodiesel Produced by Microwave-Assisted Transesterification

Sabrina N. Rabelo, Vany P. Ferraz, Leandro S. Oliveira, and Adriana S. Franca

Abstract—Biodiesel was produced by microwave-assisted transesterification of soybean oil with methanol as esterifying agent and sodium methoxide as catalyst. Fourier transform infrared spectroscopy was employed as a fast and reliable analytical technique for the quantification of fatty acid methyl ester content in the produced biodiesel. The quantification was done with the use of a partial least squares model developed based on the infrared spectra obtained. It was shown that microwave irradiation is capable of reducing the reaction time when compared to conventional mechanically stirred reactors used for biodiesel production. In addition, quantification of fatty acid methyl ester content in biodiesel by Fourier transform infrared spectroscopy coupled to multivariate statistics was demonstrated feasible.

Index Terms—Biodiesel, microwave, FTIR.

Sabrina N. Rabelo, Leandro S. Oliveira, and Adriana S. Franca are with DEMEC, Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627, Belo Horizonte, MG, 31270-901, Brazil (e-mail: sasanogueirarab@hotmail.com, leandro@demec.ufmg.br, adriana@demec.ufmg.br).
Vany P. Ferraz is with the Departamento de Química, Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627, Belo Horizonte, MG, 31270-901, Brazil (e-mail: vanyferraz@ufmg.br).

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Cite: Sabrina N. Rabelo, Vany P. Ferraz, Leandro S. Oliveira, and Adriana S. Franca, "FTIR Analysis for Quantification of Fatty Acid Methyl Esters in Biodiesel Produced by Microwave-Assisted Transesterification," International Journal of Environmental Science and Development vol. 6, no. 12, pp. 964-969, 2015.

General Information

  • ISSN: 2010-0264 (Print)
  • Abbreviated Title: Int. J. Environ. Sci. Dev.
  • Frequency: Bimonthly
  • DOI: 10.18178/IJESD
  • Editor-in-Chief: Prof. Richard Haynes
  • Executive Editor: Ms. Nancy Y. Liu
  • Indexing: Scopus (CiteScore 2021: 0.8), Google Scholar, CNKI, ProQuest, EBSCO, etc. 
  • E-mail: ijesd@ejournal.net