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Changes in physicochemical properties of biodiesel after degradation and remediation

  • V. F. Mello
  • T. C. Soares
  • M. G. Fonseca
  • L. N. Batista
Original Paper
  • 108 Downloads

Abstract

Biodiesel is the main substitute for petrodiesel being constituted by several alkyl esters including unsaturated compounds. It can undergo partial oxidation when stored for long periods and transported over long distances. The aims of this study were to analyze the impact of the oxidation process on the physicochemical properties of biodiesel and its remediation through distillation and esterification. Due to its high susceptibility to oxidation, sunflower biodiesel was used as a model. Specific mass, cloud point, cold filter plugging point, oxidation stability and iodine value were the properties analyzed. The results revealed that the treatments affected each sample differently, and in some cases the product after remediation had properties close to or even better than the initial biodiesel. The results reported here indicate that although biodiesel undergoes degradation during storage and transport, this does not mean the affected fuel cannot be marketed. Some important properties can be recovered with simple treatment.

Keywords

Biodiesel Oxidation Esterification Distillation Biodiesel remediation 

Notes

Acknowledgements

Funding was provided by CNPq and FINEP.

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Copyright information

© Islamic Azad University (IAU) 2017

Authors and Affiliations

  • V. F. Mello
    • 1
  • T. C. Soares
    • 1
  • M. G. Fonseca
    • 1
  • L. N. Batista
    • 1
  1. 1.Engines and Fuels LaboratoryNational Institute of Metrology, Quality and Technology (Inmetro)Duque de CaxiasBrazil

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