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

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

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingResearchpeer-review

Abstract

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
Original languageEnglish
Title of host publicationProceedings of the ASME Turbo Expo
Place of PublicationBarcelona
PublisherAmerican Society Of Mechanical Engineers (ASME)
Pages523-532
Number of pages10
Volume1
ISBN (Print)0-7918-4236-3
Publication statusPublished - 2006
Event51st ASME Turbo Expo 2006 - Barcelona, Spain
Duration: 2006 May 62006 May 11

Conference

Conference51st ASME Turbo Expo 2006
Country/TerritorySpain
CityBarcelona
Period2006/05/062006/05/11

Subject classification (UKÄ)

  • Energy Engineering

Keywords

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

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