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Journal of Thermal Analysis and Calorimetry

, Volume 106, Issue 3, pp 651–655 | Cite as

Evaluation of the thermal stability of biodiesel blends of castor oil and passion fruit

  • Rosiane M. C. Farias
  • Marta M. Conceição
  • Roberlúcia A. Candeia
  • Marta C. D. Silva
  • Valter J. FernandesJr.
  • Antonio G. Souza
Article

Abstract

The diversity of raw materials and technological routes employed in the biodiesel production has resulted in products with different chemical properties. This non-uniformity in the biodiesel composition may influence to the fuel quality. The aim of this study was to evaluate biodiesel blends of passion fruit and castor oil in different proportions and their thermal stability. Biodiesel blends of passion fruit and castor oil presented parameters in the standards of the Petroleum, Natural Gas and Biofuels National Agency. The TG curves indicated that castor oil biodiesel was more stable. Passion fruit biodiesel has a high content of oleic and linoleic acids, which are more susceptible to oxidation. Biodiesel blend of passion fruit and castor oil 1:1 increased the thermal stability in relation to passion fruit biodiesel. Biodiesel blend of passion fruit and castor oil 1:2 presented higher thermal stability, because castor oil has a high content of ricinoleic acid.

Keywords

Biodiesel Blends Thermal stability 

Notes

Acknowledgements

CNPq and FINEP by financial support.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2011

Authors and Affiliations

  • Rosiane M. C. Farias
    • 1
  • Marta M. Conceição
    • 1
  • Roberlúcia A. Candeia
    • 2
  • Marta C. D. Silva
    • 3
  • Valter J. FernandesJr.
    • 4
  • Antonio G. Souza
    • 5
  1. 1.Centro de Educação e SaúdeUniversidade Federal de Campina GrandeCuitéBrazil
  2. 2.Centro de Formação de ProfessoresEscola Técnica de Cajazeiras, UFCGCajazeirasBrazil
  3. 3.Universidade Federal do Maranhão, Campus ImperatrizImperatrizBrazil
  4. 4.Universidade Federal do Rio Grande do Norte, LCLNatalBrazil
  5. 5.Universidade Federal da Paraíba, LACOMJoão PessoaBrazil

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