NO/sub x/ removal by a pipe with nozzle-plate electrode corona discharge system
- 1 January 1994
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Industry Applications
- Vol. 30 (4) , 856-861
- https://doi.org/10.1109/28.297900
Abstract
The effects of additional gas composition on the corona discharge characteristics in a pipe with nozzle electrode system and the NOx removal characteristics for flue gases are experimentally investigated. The additional gas consists of a mixture of Na+O/sub 2/+NH/sub 3/ and a small amount of Ar or CO/sub 2/, and is introduced to the flue gas stream from the pipe electrode through the corona discharging zone at the tip of nozzles. The results show that corona discharge characteristics and modes are significantly influenced by the composition of the additional gas mixture. Both NO/sub x/ reduction rate and energy yield of NO/sub x/ removal increase with decreasing corona discharge input power. NO reduction rate and energy yield can be optimized by the type of the additional gas mixture and the flow rates.Keywords
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