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

Description: 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.
Date: March 1, 2007
Creator: Straub, D. L.; Ferguson, D. H.; Casleton, K. H. & Richards, G. A.
Partner: UNT Libraries Government Documents Department

Poland becoming a member of the Global Nuclear Energy Partnership, Vol. 1.

Description: Within a constrained carbon environment, the risks of future natural gas supply, and the need to move to market-based electricity prices, the study team found: (1) the deployment of new nuclear energy in Poland itself is very competitive in the next decade or two; (2) if such generation could be made available to Poland prior to deployment of its own nuclear generation facilities, Poland would benefit from partnering with its Baltic neighbors to import electricity derived from new nuclear generation facilities sited in Lithuania; and (3) Poland appears to be a good candidate for a partnership in the Global Nuclear Energy Partnership (GNEP) as an emerging nuclear energy country.
Date: March 26, 2007
Creator: Koritarov, V. K.; Conzelmann, G.; Cirillo, R. R. & Goldberg, S. M.
Partner: UNT Libraries Government Documents Department

Poland becoming a member of the Global Nuclear Energy Partnership, Vol. 2.

Description: Within a constrained carbon environment, the risks of future natural gas supply, and the need to move to market-based electricity prices, the study team found: (1) the deployment of new nuclear energy in Poland itself is very competitive in the next decade or two; (2) if such generation could be made available to Poland prior to deployment of its own nuclear generation facilities, Poland would benefit from partnering with its Baltic neighbors to import electricity derived from new nuclear generation facilities sited in Lithuania; and (3) Poland appears to be a good candidate for a partnership in the Global Nuclear Energy Partnership (GNEP) as an emerging nuclear energy country.
Date: March 26, 2007
Creator: Koritarov, V. K.; Conzelmann, G.; Cirillo, R. R. & Goldberg, S. M.
Partner: UNT Libraries Government Documents Department