The effect of steam treating waste cooking oil on the yield of methyl ester

B. Supple, R. Howard-Hildige, Esther Gonzalez-Gomez, J. J. Leahy

Research output: Contribution to journalArticlepeer-review

Abstract

The effect of steam injection and sedimentation treatment of waste cooking oil on the quality of TG, to be used as a raw material for the production of biodiesel, was investigated. The effect of steam treatment was evaluated in terms of a number of physical and chemical characteristics. Significant decreases in the moisture, FFA, and PV, as well as increased energy value, were observed. GC analysis of the treated materials demonstrated little change in either the overall composition of the oils or the iodine value. The decreases in moisture from 1.4 to 0.4% and in FFA from 6.27 to 4.28% were found to correlate strongly with an increase in yield of ester from 67.5 to 83.5%.

Original languageEnglish
Pages (from-to)175-178
Number of pages4
JournalJAOCS, Journal of the American Oil Chemists' Society
Volume79
Issue number2
DOIs
Publication statusPublished - Feb 2002

Keywords

  • Biodiesel
  • Effect of steam treatment
  • Ester yield
  • Waste cooking oil

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