Removal of NOx from flue gas by corona discharge activated methane radical showers

被引:36
|
作者
Kanazawa, S
Chang, JS
Round, GF
Sheng, G
Ohkubo, T
Nomoto, Y
Adachi, T
机构
[1] Faculty of Engineering, McMaster University, Hamilton
[2] Dept. of Elec. and Electron. Eng., Oita University
[3] Faculty of Environmental Studies, York University, North York
关键词
D O I
10.1016/S0304-3886(97)00072-7
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Removal of NOx from simulated flue gases has been investigated using a retro-fit type electrode suitable for the generation of a methane radical shower by replacing corona wires in electrostatic precipitators. The effects of methane radical injection on the NOx removal rate, energy efficiency and by-products were studied. The results showed that the removal of NOx increased with increasing activation voltage. The energy efficiency of NOx removal was 1-6g[NOx]/kWh for the case of methane radical injection. Furthermore, it was found that CO2 in combustion flue gases caused a decrease in energy deposition into the flue gas, resulting in lower NO removal efficiency. Trace amounts of N2O were observed as discharge by-products.
引用
收藏
页码:651 / 656
页数:6
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