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Stationary Diesel Generator / Catalytic Converter Emission Control Evaluation

Stationary Diesel Generator / Catalytic Converter Emission Control Evaluation. Power Systems Division Naval Surface Warfare Center, Crane, IN. Cinergy Ventures, Cincinnati, OH Presenter: Brian Fillingim, NSWC Crane. Emission Limitation. Federal Standards for NonRoad Emission Requirements

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Stationary Diesel Generator / Catalytic Converter Emission Control Evaluation

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  1. Stationary Diesel Generator / Catalytic Converter Emission Control Evaluation Power Systems Division Naval Surface Warfare Center, Crane, IN. Cinergy Ventures, Cincinnati, OH Presenter: Brian Fillingim, NSWC Crane

  2. Emission Limitation • Federal Standards for NonRoad Emission Requirements • Tier I Phase - 1996 to 2000 • Tier 2 / Tier 3 Phase - 2000 to 2008 • Limited Annual Hours to Remain With In Air Polution Standards for Total Emissions

  3. Method of Reduction • Selective Catalytic Reduction (SCR) Process • Exhaust Catalyst with Anhydrous Ammonia (NH3) Injection “Proof of Concept”

  4. SCR Process SCR Reaction Chemistry 4NO + 4NH3 + O2 = 4N2 + 6H2O 6NO2 + 8NH3 + O2 = 7N2 + 12H2O High Temp and Excess NH3 4NH3 + 5O2 = 4NO + 6H2O 4NH3 + 3O2 = 2N2 + 6H2O

  5. Test Setup • Caterpillar Model 3306 Diesel Generator Set - 250 Kilowatt (kW) • Catalytic Converter in place of Stock Muffler • Catalyst Design and Formulation by Catalytic Solutions Inc., Oxnard, CA • Catalyst Housing and Integration by ArvinMeritor Inc, Columbus, IN • Manual Setting for NH3 Injection Flow Rate into Engine Exhaust

  6. Caterpillar Model 3306

  7. Muffler vs Catalytic Converter

  8. Test Procedure • Daily Six to Nine Hour Runs • Four to Six Samples per Test Run of: O2, CO, NO, NO2, SO2 • Temperature (Pre Converter, Post Converter, Catalyst and Ambient) • Third Party Verification of Emission Measurements by GE Energy Serivces Inc

  9. Results • 556 Engine Hours • 476 Hours with NH3 Injection • Final 350 Hours at 90 percent Load (225 kW) with NH3 Injection • Maximum NOx Reduction with 13 to 16 standard liters per minute (slpm) NH3 injection (0.8 NH3/NOx) at 90 percent Load • GE Energy Services Inc. measured Comparable Data and No Indications of Secondary Emissions

  10. Conclusions • NH3 Injection and Catalyst Combination Reduced NOx by Approximately 90 percent • Further Evaluation in Colder Ambient Temperatures Indicated • Further Development and Evaluation of NH3 Controllers is Indicated

  11. For More Details Contact: • Raj Malyala - Catalytic Solutions Inc., Oxnard, CA (805) 486-4649 x1727 Rmalyala@catsolns.com • Jim Lefeld - Cinergy, Cincinnati, OH 513-287-2435 jlefeld@cinergy.com • Brian Fillingim - NSWC Crane, IN 812-854-2361 brian.fillingim@navy.mil

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