Gas turbine combustors drive emissions toward nil
June 24, 2008 at 7:06 am | In Environmental, Gas Turbine, Low NOx, New Technology, Power Plant | 1 Comment| Best available control technology continues to be ratcheted down to achieve ever-lower NOx emissions. Some dry low-NOx combustors can achieve 9 ppm without post-combustion control, while newer catalytic combustors are operating below 5 ppm NOx. In the late 1980s, gas turbine original equipment manufacturers (OEMs) began to integrate dry low-NOx (DLN)—also referred to as dry low-emission (DLE)—combustion technology into their product lines to eliminate the need for steam or water injection, which had been the traditional method of NOx control. Many DLN technologies were evaluated, and lean premixed combustion emerged as the most promising approach for near-term application. Continue reading Gas turbine combustors drive emissions toward nil… |
Oyster Creek Power 8, Freeport, Texas
June 23, 2008 at 1:05 am | In Combined Cycle, Environmental, Gas Turbine, Low NOx, Natural Gas, New Technology, Power Plant | Leave a CommentTags: Combined Cycle, Gas Turbine, low emission, Low NOx, Natural Gas
Operated and maintained by Dow Chemical Co., Freeport, Texas
Owned by Dynegy (50%) and American National Power (50%)
Sub-10 ppm NOx has been the dream of gas turbine users for many years, and currently there is only one OEM that can deliver on that promise. But OEMs are no longer the only suppliers of NOx retrofit hardware. Power Systems Manufacturing has developed a sub-5 ppm NOx retrofit kit for the GE 7EA that has taken dry low-NOx technology to the next level. Dow Chemical took a chance with the new technology and now operates the world’s cleanest—in terms of NOx—gas turbine.
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