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Chemical analysis of combustion products from a high-pressure gas turbine combustor rig fueled by jet A1 fuel and a Fischer-Tropsch-based fuel

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Author

  • Fredrik Hermann
  • Jorgen Pedersen
  • Jens Klingmann
  • Jim Olsson
  • Rolf Gabrielsson
  • Farshid Owrang

Summary, in English

A comparative experimental investigation has been performed, comparing the emissions from a synthetic jet fuel and from Jet AI. In the investigation, the unburned hydrocarbons were analyzed chemically and the regulated emissions of NO<sub>X</sub>, CO and HC were measured. All combustion tests were performed under elevated pressures in a gas turbine combustor rig. A Swedish company, Oroboros AB, has developed a novel clean synthetic jet fuel, LeanJet [registered trademark] . The fuel is produced synthetically from synthesis gas by a Fischer-Tropsch process. Except for the density, the fuel conforms to the Standard Specification for Aviation Turbine Fuels. The low density is due to the lack of aromatics and polyaromatics. Organic emissions from the gas turbine combustor rig were collected by adsorption sampling and analyzed chemically. Both the fuels and the organic emissions were analyzed by gas chromatography/flame ionization (GC/FlD) complemented with gas chromatography/mass spectrometry (GC/MS). Under the operating conditions investigated, no significant differences were found for the regulated emissions, except for emission of CO from the synthetic fuel, which, at leaner conditions, was one-quarter of that measured for Jet Al. Detailed analysis of the organic compounds showed that the emissions from both fuels were dominated by fuel alkanes and a significant amount of naphthalene. It was also found that Jet Al produced a much higher amount of benzene than the synthetic fuel. Copyright

Publishing year

2006

Language

English

Pages

523-532

Publication/Series

Proceedings of the ASME Turbo Expo

Volume

1

Document type

Conference paper

Publisher

American Society Of Mechanical Engineers (ASME)

Topic

  • Energy Engineering

Keywords

  • Elevated pressures
  • Jet A1 fuels
  • Fischer Tropsch based fuels
  • Combustion products

Conference name

51st ASME Turbo Expo 2006

Conference date

2006-05-06 - 2006-05-11

Conference place

Barcelona, Spain

Status

Published

ISBN/ISSN/Other

  • ISBN: 0-7918-4236-3