Increasing the stability of bioethanol/gas oil emulsions by a new emulsion additive

J. Hancsók, Z. Eller, G. Marsi, G. Nagy

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Abstract

The application of bioethanol/diesel fuel emulsions is constrained by several factors (e.g. hydrocarbon composition of base gas oil, temperature, concentration and water content of bioethanol, presence of co-solvent, quality and quantity of the applied additive). The focus of our development work was to study the effect of a new chemical structure additive (fatty-acid-methyl-ester containing polyisobutylene-succinic derived) and co-solvent (fatty-acid-alkyl-esters and different carbon number alcohols) on the stability of bioethanol/gas oil emulsion, and to produce stable emulsions even in case of low temperature (-20°C) and presence of water (5.0% water containing bioethanol). It was found that high stability bioethanol/gas oil emulsion could be produced with 5.0 v/v% biodiesel as co-solvent in base gas oil and 4.0% new chemical structure additive, which was stable at the temperature of -20°C and in the presence of 5.0 v/v% water containing bioethanol.

Original languageEnglish
Pages (from-to)106-114
Number of pages9
JournalPetroleum and Coal
Volume53
Issue number2
Publication statusPublished - Dec 1 2011

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Keywords

  • Bioethanol
  • Diesel fuel
  • Emulsion
  • Emulsion additive

ASJC Scopus subject areas

  • Energy(all)

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