Effects of oxygenates molecular structure on the sooting tendency and PM emissions of ethanol-gasoline and biodiesel-diesel blends

Eduardo J. Barrientos, André L. Boehman, Gary L. Neal, Daniel Connell Haworth

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

Fuel composition has a significant effect in emissions from particulate matter (PM) and soot formation in internal combustion engines. Numerous studies, both experimental and numerical, have reported that oxygenated fuels reduce particulate emissions. These studies have proved that this reduction depends not only on the oxygen content but also on the molecular structure and the different oxygen functional groups. Consequently, this paper contains an analysis of the relationship between fuel composition and soot formation and PM emissions from oxygenated fuel blends. In this study, ethanol-gasoline and biodiesel-diesel fuel blends have been tested via a smoke point lamp in order to determine the variations in the sooting tendency in relation to the oxygen content of fuel blends and the effect of oxygenated additives on the sooting propensity of the blends. Particulate matter collected from the smoke point tests has been analyzed via XRay Photoelectron Spectroscopy (XPS) to quantify the surface oxygen content of the soot samples and to qualitatively identify oxygen functionalities on the samples. An attempt was made to correlate these results with the oxygen concentrations and molecular structure of the fuels.

Original languageEnglish (US)
Title of host publicationASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012
Pages895-907
Number of pages13
EditionPARTS A AND B
DOIs
StatePublished - Dec 1 2012
EventASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012 - Houston, TX, United States
Duration: Nov 9 2012Nov 15 2012

Publication series

NameASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
NumberPARTS A AND B
Volume6

Other

OtherASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012
CountryUnited States
CityHouston, TX
Period11/9/1211/15/12

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

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    Barrientos, E. J., Boehman, A. L., Neal, G. L., & Haworth, D. C. (2012). Effects of oxygenates molecular structure on the sooting tendency and PM emissions of ethanol-gasoline and biodiesel-diesel blends. In ASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012 (PARTS A AND B ed., pp. 895-907). (ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE); Vol. 6, No. PARTS A AND B). https://doi.org/10.1115/IMECE2012-85745