The effect of high-intensity ultrasound on diesel fuels

Gareth J. Price, Matthew McCollom

Research output: Contribution to journalArticle

Abstract

High-intensity ultrasound was applied to an automotive diesel fuel using a 23 kHz 'horn' system. The saturated components of the fuel undergo similar reactions to pure n-alkanes and those with chain lengths shorter than ∼ C20 are 'cracked' to lower alkanes and alkenes as has been reported previously by Suslick et al. In addition, sonication promoted a polymerization reaction which concentrated aromatic and nitrogen-containing compounds into insoluble sediments or gums. These were similar to those obtained from stability tests of diesel fuels and suggest that sonication may prove to be a useful method for the accelerated testing and prediction of long-term diesel stability.

Original languageEnglish
Pages (from-to)S67-S70
Number of pages4
JournalUltrasonics - Sonochemistry
Volume2
Issue number2
DOIs
Publication statusPublished - 1995

Keywords

  • alkane sonochemistry
  • diesel fuels
  • high-intensity ultrasound
  • sediment formation

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Radiology Nuclear Medicine and imaging
  • Acoustics and Ultrasonics

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