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Decomposition of Aromatic Amines in a Jet Fuel Surrogate

Rohaly, Matthew Joseph
http://rave.ohiolink.edu/etdc/view?acc_num=dayton1417777531

Abstract Details

2014, Master of Science (M.S.), University of Dayton, Chemistry.
The thermal decomposition of aromatic nitrogen containing compounds in a jet fuel surrogate was studied. The surrogate fuel's decomposition was compared to the decomposition found in natural jet fuels. Then high performance liquid chromatography was used to examine the formation of any polar products from the thermal decomposition of the surrogate fuel. Gas chromatography coupled with mass spectrometry and nuclear magnetic resonance were employed to try and identify the polar products. The large amount of hydrocarbons masking the polar products made fractional collection necessary before any identification could be attempted. After fractional collections were employed several oxygen polar compounds were found and identified from the thermal decomposition of the surrogate fuel. However no nitrogen-containing compounds could be found. This is most likely due to the low concentration of the nitrogen-containing compounds within the surrogate. Due to the effectiveness of the surrogate fuel's thermal decomposition it remains a good candidate for further jet fuel studies that look at reactivity. HPLC was also very effective at observing the formation of polar products within the jet fuel, although it could not identify these products. The fractional collection method that was employed did improve the results of the identification process, but it did not manage enough separation between the polar compounds and the hydrocarbons present in the surrogate. It is likely that a further separation method is needed. GCMS was relatively ineffective at separating and identifying polar products from this reaction. This is due to the bulk hydrocarbons masking the polar product signals. GCMS was able to identify a oxygen-containing compound, but only because the elution point from this compound was far from the elution point of any hydrocarbon. NMR was effective at identifying polar compounds that were present in significant quantities, however the extremely low concentration of the polar products made this process much less effective as well. Overall for GCMS or NMR to be considered effective techniques for this analysis a better separation process must be utilized.
David Johnson (Advisor)
Chemistry
jet fuels; jet fuel decomposition; nitrogen contaminants in jet fuels; polar products from jet fuel decomposition; jet fuel separation techniques;

Recommended Citations

Citations

  • Rohaly, M. J. (2014). Decomposition of Aromatic Amines in a Jet Fuel Surrogate [Master's thesis, University of Dayton]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1417777531

    APA Style (7th edition)

  • Rohaly, Matthew. Decomposition of Aromatic Amines in a Jet Fuel Surrogate. 2014. University of Dayton, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=dayton1417777531.

    MLA Style (8th edition)

  • Rohaly, Matthew. "Decomposition of Aromatic Amines in a Jet Fuel Surrogate." Master's thesis, University of Dayton, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1417777531

    Chicago Manual of Style (17th edition)

dayton1417777531
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This open access ETD is published by University of Dayton and OhioLINK.