CATALYTIC COMBUSTION AS A POLLUTION PREVENTION TECHNOLOGY TO ACHIEVE ULTRA-LOW EMISSIONS IN POWER GENERATING GROUND-BASED GAS TURBINE ENGINES

摘要

The motivation for and advantages of using catalytic combustion to improve gas. Turbine engine emissions and performance has been shown for a prototype catalytic reactor module operating at real gas turbine engine conditions of 10 to 15 atmospheres. In addition, ultra-low Nox emissions with simultaneous stable combustion at up to 1525°C were achieved. Sub-scale reactors enabled extensive testing and experimentation to be done which yielded insights on the catalyst performance effect on combustion stability (extending lean blowout) and emission formation (ability to achieve low NO_x, CO and UHC). Current NO_x modeling has been validated by both sub- and full-scale engine prototype testing. Finally, a selected catalyst formulation has been tested for 500 hours under simulated engine conditions with no performance degradation. Current efforts are underway to develop an extrapolation model to predict the life of the catalyst when the reactor module is in field operation with the initial milestone of 8000 hours operation.