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System Solutions for Optimizing Exhaust Emission Control Systems

System Solutions for Optimizing Exhaust Emission Control Systems. Jay Warner & Cary Bremigan Universal Acoustic & Emission Technologies. Presented at Power-Gen Asia November 2, 2010 Singapore. Introduction. Growing population of reciprocating engines used for power generation

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System Solutions for Optimizing Exhaust Emission Control Systems

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  1. System Solutions for Optimizing Exhaust Emission Control Systems Jay Warner & Cary Bremigan Universal Acoustic & Emission Technologies Presented at Power-Gen Asia November 2, 2010 Singapore

  2. Introduction Growing population of reciprocating engines used for power generation • Distributed Energy / CHP • Support variable renewable resources – wind, etc. • Peak demand applications 51.8 MW NG Power Plant Basin Creek, Montana, USA Photo courtesy of Caterpillar PowerGen Asia 2010

  3. Introduction Increased need for emission controls • Global emission regulations • High performance • Robust • Economical PowerGen Asia 2010

  4. Outline • Common Emission Control Technologies • Challenges of Integrating Emission Controls • Optimal System Solutions PowerGen Asia 2010

  5. Common Emission Control Technologies PowerGen Asia 2010

  6. Challenges of Integrating Emission Controls • Cost PowerGen Asia 2010

  7. Challenges of Integrating Emission Controls • Cost • Backpressure PowerGen Asia 2010

  8. Challenges of Integrating Emission Controls • Cost • Backpressure • Packaging Space PowerGen Asia 2010

  9. Challenges of Integrating Emission Controls • Cost • Backpressure • Packaging Space • Serviceability PowerGen Asia 2010

  10. Challenges of Integrating Emission Controls • Cost • Backpressure • Packaging Space • Serviceability • Responsibility for Acoustical Performance Where is the noise coming from? PowerGen Asia 2010

  11. Optimal System SolutionsBackpressure Distribution Silencer DPF Piping SCR PowerGen Asia 2010

  12. Optimal System SolutionsPassive Thermal Management • Locate DOCs and DPFs as close as possible to engine outlet • Locate SCR catalysts to allow for lower cost formulations. i.e., consider adding temperature drop for V2O5 catalysts • Appropriate use of thermal • insulation • Requires thorough • understanding of temperatures • throughout exhaust system Source: DieselNet.com PowerGen Asia 2010

  13. Optimal System SolutionsSystem Design for Noise Attenuation • Different emission control devices provide unique acoustical attenuation • Intelligent combinations with traditional silencers can save cost, backpressure and packaging space Combined System DPF Silencer Absorptive silencer DPF unit PowerGen Asia 2010

  14. Optimal System SolutionsIntegrated Emissions and Silencing • Lower backpressure – fewer transitions • Smaller footprint • Lower cost - less material and welding • Improved serviceability PowerGen Asia 2010

  15. Summary • Significant challenges for integrating emission controls: • Cost • Backpressure • Package space • Serviceability • Guaranteeing acoustical performance • Solutions include optimal system design of: • Backpressure distribution • Thermal management • System design for noise attenuation • Integrating emissions and silencing • Exhaust systems can be optimized when designed and supplied as a system instead of as separate “bolt-on” components • Requires detailed knowledge of the complete exhaust system PowerGen Asia 2010

  16. Thank You Visit us at booth L-24 PowerGen Asia 2010

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