Insight into the mechanisms of middle distillate fuel oxidative degradation. Part 2: On the relationship between jet fuel thermal oxidative deposit, soluble macromolecular oxidatively reactive species, and smoke point

Parvana Aksoy, Omer Gu, Ruveyda Cetiner, Dania A. Fonseca, Maria Sobkowiak, Sharon Falcone Miller, Bruce G. Miller, Bruce Beaver

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We present data that suggest that jet fuel smoke point and the formation of thermal oxidative deposit are linked by formation of a common intermediate, high molecular weight soluble macromolecular oxidatively reactive species (SMORS). Hardy and Wechter (Energy Fuels 1994, 8, 782-787) have previously observed that with diesel fuels containing unhydrotreated light cycle oil (LCO), the highest molecular weight fraction of SMORS can be conveniently quantified as an extraction-induced precipitate (EIP). These authors have also shown that for fresh diesel fuel, oxidatively stressed fuel EIP mass correlates well with results of accelerated storage stability determined by ASTM 5304. Consistent with this, data are presented that suggest EIP mass, from jet fuels oxidatively stressed in tubing bombs, correlates with mean thermal oxidative deposition in a flowing reactor. In addition, data are presented that suggest that for a polar compound doped oxidatively stressed jet fuel, EIP mass correlates with the total concentration of polar compounds doped into the fuel. Thus, for the first time the concentration of select polar aromatics has been directly linked with the formation of a deposit precursor (Energy Fuels 1994, 8, 782-787) and smoke point.

Original languageEnglish (US)
Pages (from-to)2047-2051
Number of pages5
JournalEnergy and Fuels
Volume23
Issue number4
DOIs
StatePublished - Apr 16 2009

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Jet fuel
Smoke
Precipitates
Deposits
Degradation
Diesel fuels
Molecular weight
Tubing
Oils
Hot Temperature

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology

Cite this

Aksoy, Parvana ; Gu, Omer ; Cetiner, Ruveyda ; Fonseca, Dania A. ; Sobkowiak, Maria ; Miller, Sharon Falcone ; Miller, Bruce G. ; Beaver, Bruce. / Insight into the mechanisms of middle distillate fuel oxidative degradation. Part 2 : On the relationship between jet fuel thermal oxidative deposit, soluble macromolecular oxidatively reactive species, and smoke point. In: Energy and Fuels. 2009 ; Vol. 23, No. 4. pp. 2047-2051.
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abstract = "We present data that suggest that jet fuel smoke point and the formation of thermal oxidative deposit are linked by formation of a common intermediate, high molecular weight soluble macromolecular oxidatively reactive species (SMORS). Hardy and Wechter (Energy Fuels 1994, 8, 782-787) have previously observed that with diesel fuels containing unhydrotreated light cycle oil (LCO), the highest molecular weight fraction of SMORS can be conveniently quantified as an extraction-induced precipitate (EIP). These authors have also shown that for fresh diesel fuel, oxidatively stressed fuel EIP mass correlates well with results of accelerated storage stability determined by ASTM 5304. Consistent with this, data are presented that suggest EIP mass, from jet fuels oxidatively stressed in tubing bombs, correlates with mean thermal oxidative deposition in a flowing reactor. In addition, data are presented that suggest that for a polar compound doped oxidatively stressed jet fuel, EIP mass correlates with the total concentration of polar compounds doped into the fuel. Thus, for the first time the concentration of select polar aromatics has been directly linked with the formation of a deposit precursor (Energy Fuels 1994, 8, 782-787) and smoke point.",
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Insight into the mechanisms of middle distillate fuel oxidative degradation. Part 2 : On the relationship between jet fuel thermal oxidative deposit, soluble macromolecular oxidatively reactive species, and smoke point. / Aksoy, Parvana; Gu, Omer; Cetiner, Ruveyda; Fonseca, Dania A.; Sobkowiak, Maria; Miller, Sharon Falcone; Miller, Bruce G.; Beaver, Bruce.

In: Energy and Fuels, Vol. 23, No. 4, 16.04.2009, p. 2047-2051.

Research output: Contribution to journalArticle

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AU - Aksoy, Parvana

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AU - Miller, Sharon Falcone

AU - Miller, Bruce G.

AU - Beaver, Bruce

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N2 - We present data that suggest that jet fuel smoke point and the formation of thermal oxidative deposit are linked by formation of a common intermediate, high molecular weight soluble macromolecular oxidatively reactive species (SMORS). Hardy and Wechter (Energy Fuels 1994, 8, 782-787) have previously observed that with diesel fuels containing unhydrotreated light cycle oil (LCO), the highest molecular weight fraction of SMORS can be conveniently quantified as an extraction-induced precipitate (EIP). These authors have also shown that for fresh diesel fuel, oxidatively stressed fuel EIP mass correlates well with results of accelerated storage stability determined by ASTM 5304. Consistent with this, data are presented that suggest EIP mass, from jet fuels oxidatively stressed in tubing bombs, correlates with mean thermal oxidative deposition in a flowing reactor. In addition, data are presented that suggest that for a polar compound doped oxidatively stressed jet fuel, EIP mass correlates with the total concentration of polar compounds doped into the fuel. Thus, for the first time the concentration of select polar aromatics has been directly linked with the formation of a deposit precursor (Energy Fuels 1994, 8, 782-787) and smoke point.

AB - We present data that suggest that jet fuel smoke point and the formation of thermal oxidative deposit are linked by formation of a common intermediate, high molecular weight soluble macromolecular oxidatively reactive species (SMORS). Hardy and Wechter (Energy Fuels 1994, 8, 782-787) have previously observed that with diesel fuels containing unhydrotreated light cycle oil (LCO), the highest molecular weight fraction of SMORS can be conveniently quantified as an extraction-induced precipitate (EIP). These authors have also shown that for fresh diesel fuel, oxidatively stressed fuel EIP mass correlates well with results of accelerated storage stability determined by ASTM 5304. Consistent with this, data are presented that suggest EIP mass, from jet fuels oxidatively stressed in tubing bombs, correlates with mean thermal oxidative deposition in a flowing reactor. In addition, data are presented that suggest that for a polar compound doped oxidatively stressed jet fuel, EIP mass correlates with the total concentration of polar compounds doped into the fuel. Thus, for the first time the concentration of select polar aromatics has been directly linked with the formation of a deposit precursor (Energy Fuels 1994, 8, 782-787) and smoke point.

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