Effects of Propane/Natural Gas Blended Fuels on Gas Turbine Pollutant Emissions

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Liquefied natural gas (LNG) imports to the U.S. are expected to grow significantly over the next 10-15 years. Likewise, it is expected that changes to the domestic gas supply may also introduce changes in natural gas composition. As a result of these anticipated changes, the composition of fuel sources may vary significantly from conventional domestic natural gas supplies. This paper will examine the effects of fuel variability on pollutant emissions for premixed gas turbine conditions. The experimental data presented in this paper have been collected from a pressurized single injector combustion test rig at the National Energy Technology Laboratory (NETL). ... continued below

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Straub, D. L.; Ferguson, D. H.; Casleton, K. H. & Richards, G. A. March 1, 2007.

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Liquefied natural gas (LNG) imports to the U.S. are expected to grow significantly over the next 10-15 years. Likewise, it is expected that changes to the domestic gas supply may also introduce changes in natural gas composition. As a result of these anticipated changes, the composition of fuel sources may vary significantly from conventional domestic natural gas supplies. This paper will examine the effects of fuel variability on pollutant emissions for premixed gas turbine conditions. The experimental data presented in this paper have been collected from a pressurized single injector combustion test rig at the National Energy Technology Laboratory (NETL). The tests are conducted at 7.5 atm with a 588 K air preheat. A propane blending facility is used to vary the Wobbe Index of the site natural gas. The results indicate that propane addition of about five (vol.) percent does not lead to a significant change in the observed NOx or CO emissions. These results are different from data collected on some engine applications and potential reasons for these differences will be described.

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Publisher - Proceedings of the 5th U.S. National Combustion Meeting, WSS/CI, Mar. 2007, paper # E06, 13 pp.

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  • 5th U.S. National Combustion Meeting, San Diego, CA, Mar. 25-28, 2007

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  • Report No.: DOE/NETL-IR-2007-101
  • Grant Number: None cited
  • Office of Scientific & Technical Information Report Number: 913263
  • Archival Resource Key: ark:/67531/metadc887968

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  • March 1, 2007

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  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 4, 2016, 1:48 p.m.

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Straub, D. L.; Ferguson, D. H.; Casleton, K. H. & Richards, G. A. Effects of Propane/Natural Gas Blended Fuels on Gas Turbine Pollutant Emissions, article, March 1, 2007; (digital.library.unt.edu/ark:/67531/metadc887968/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.