Model compound study of the pathways for aromatic hydrocarbon formation in soot.

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To explore the mechanisms for formation of aromatic hydrocarbons as precursors to soot, a model system using combustion of biphenyl in a fuel rich flame is studied. The soots acquired at three different temperatures are solvent extracted and the extract characterized by both GCMS and high resolution mass spectrometry. A description of the NMR results for the whole soots has been published (1). The production of most products could be rationalized from the coupling of biphenyls and subsequent aromatic species and the addition of acetylenes to existing aromatic molecules. Early work by Badger on pyrolysis of hydrocarbons is used in ... continued below

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Tomczyk, N. A.; Hunt, J. E.; Winans, R. E.; Solum, M. S.; Pugmire, R. J. & Fletcher, T. H. April 29, 2002.

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To explore the mechanisms for formation of aromatic hydrocarbons as precursors to soot, a model system using combustion of biphenyl in a fuel rich flame is studied. The soots acquired at three different temperatures are solvent extracted and the extract characterized by both GCMS and high resolution mass spectrometry. A description of the NMR results for the whole soots has been published (1). The production of most products could be rationalized from the coupling of biphenyls and subsequent aromatic species and the addition of acetylenes to existing aromatic molecules. Early work by Badger on pyrolysis of hydrocarbons is used in developing these schemes (2). The reaction schemes to produce larger aromatic hydrocarbons will be discussed. Richter and Howard have discussed in detail potential reaction mechanisms in the formation of aromatics as precursors to soot (3).

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  • 224th ACS National Meeting, Boston, MA (US), 08/18/2002--08/22/2002

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  • Report No.: ANL/CHM/CP-107530
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 799843
  • Archival Resource Key: ark:/67531/metadc743056

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  • April 29, 2002

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  • Oct. 19, 2015, 7:39 p.m.

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  • March 25, 2016, 12:36 p.m.

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Tomczyk, N. A.; Hunt, J. E.; Winans, R. E.; Solum, M. S.; Pugmire, R. J. & Fletcher, T. H. Model compound study of the pathways for aromatic hydrocarbon formation in soot., article, April 29, 2002; Illinois. (digital.library.unt.edu/ark:/67531/metadc743056/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.