Chemical characterization of organic adsorbates on diesel particulate matter

J. A. Yergey, Terence H Risby, S. S. Lestz

Research output: Contribution to journalArticle

Abstract

The organic adsorbates on diesel particulate matter are characterized by a combination of chromatographic and mass spectrometric techniques. These data are obtained for particulate matter generated under constant engine operating conditions using a model fuel and a synthetic lubricant, with air or argon/oxygen as the oxidant systems. The significance of these results is that the polycyclic aromatic compounds which were produced by these experiments are the inherent products from the diffusion controlled combustion in a diesel engine. Also, these results suggest that there are common intermediates which produce the polycyclic aromatic compounds that are independent of the structure and chain length of the hydrocarbon fuel. Preliminary results also indicate that the nitro derivatives of polycyclic aromatic compounds are produced by secondary reaction of the oxides of nitrogen which are formed from the nitrogen in the oxidant.

Original languageEnglish (US)
Pages (from-to)354-357
Number of pages4
JournalAnalytical Chemistry
Volume54
Issue number3
StatePublished - Mar 1982

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Particulate Matter
Aromatic compounds
Adsorbates
Oxidants
Synthetic lubricants
Nitrogen Oxides
Argon
Hydrocarbons
Chain length
Diesel engines
Nitrogen
Oxygen
Engines
Derivatives
Air
Experiments

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Chemical characterization of organic adsorbates on diesel particulate matter. / Yergey, J. A.; Risby, Terence H; Lestz, S. S.

In: Analytical Chemistry, Vol. 54, No. 3, 03.1982, p. 354-357.

Research output: Contribution to journalArticle

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