直流电晕自由基簇射脱除烟气中的NO

被引:33
作者
林赫
高翔
骆仲泱
倪明江
岑可法
机构
[1] 浙江大学热能工程研究所
关键词
自由基; 烟气; NOx脱除过程;
D O I
10.13334/j.0258-8013.pcsee.2002.08.031
中图分类号
X701.3 [脱硫与固硫];
学科分类号
摘要
研究了直流电晕放电诱导自由基簇射脱除烟气中的NOx。该技术特点是以NH3为吸收剂的气流通过喷嘴电极电晕区域,分解产生自由基,氧化(或还原)NO。研究发现:通入喷嘴电极的气体成分和流量对放电的V-I特性有影响,通过调节两股气流量,可得到稳定的帘状流光电晕;烟气中水蒸汽对电晕放电的V-I特性有影响,并为NOx脱除过程提供更多的OH自由基,可提高NOx脱除效率和单位能量的NO脱除量。实验结果表明,此项技术可有效脱除烟气中的NOx,并且能耗较低。
引用
收藏
页码:151 / 156
页数:6
相关论文
共 11 条
[1]  
Energetic Electron Induced Plasma Process for Reduction of Acid and Greenhouse Gases in Combustion Flue 4 Gas. Chang J S. In No -Thermal Plasma Technologies for Pollution Control : Part A, Springer, Berlin . 1993
[2]  
NOxremovalfrom air streams by a superimposed AC/DC energizedflow stabilized streamer corona. Yan K,,Higashi D,Kanazawa S,et al. Trans.IEE Ja-pan . 1998
[3]  
Simultaneous removal of NOxand SO2from NO-SO2-CO2-N2-O2gas mixtures bycorona radical shower systems. Park J J Y,,Chang J S. J.Phys.D:April.Phys . 1999
[4]  
Theoretical Analysis of Removal of Oxides of Sulphur and Nitrogen in Pulsed Operation of Electrostatic Precipitators. John J Lowke,Richard Morrow. IEEE Transactions on Plasma Science . 1995
[5]  
Removal of nitric oxide in flue gases by multipoint to plane dielectric barrier discharge. KoichiTakaki et al. IEEE Trans. onPlasmaSc . 1999
[6]  
Industrial experiments on pulse corona simultaneous removal ofNOx andSO2 from flue gas. GiorgioDinelli et al. IEEE Trans.OnIndus.App . 1990
[7]  
NOx removal by a pipe with nozzle-plate electrode corona discharge system. ToshikazuOhkaho et al. IEEE trans. onIndus.App . 1994
[8]  
Pilot plant experiment ofNOx andSO2 removal from exhaust gases by electron beam irradiation. KawamaraK,Hirasawa.A. RadiatePhys.Chem . 1979
[9]  
Radiation Chemical Reactions in NOx and SO2 Removals from Flue Gas. Tokunaga O,Suzuki N. Radiation Physics and Chemistry . 1980
[10]  
APP[P]. BEN SMITH.澳大利亚专利:AU2011101259A4,2011-11-10