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气体放电非平衡等离子体化学脱硫脱硝理论基础研究
6 x5 o/ X8 ?7 M. c5 A! E+ I4 v: I: k6 w, d9 b# i
白希尧 张芝涛 白敏
. @2 E! S5 i: y! {(大连海事大学环境工程研究所 116026)
# K& D$ J2 ]1 B( X2 r 摘 要 研究了烟气电离放电脱硫脱硝的非平衡等离子体化学反应过程,采用介质阻挡强电离放电方
' i& u' q, N: O4 y* u6 A& i法产生高电子浓度(>1015/cm3),平均能量大的电子(>10 eV),以及大量O、O+、OH、HO2等活性粒子,有效: q1 f: ?* M1 A" c- } P
地解决了气体放电非平衡等离子体化学法脱硫脱硝所需要的活化能的难题,铵盐回收率达到88%以上。0 e" B v5 K( Q7 Z" n
关键词 电场强度 气体电离强度 电子能量 脱硫脱硝" f+ `* z6 P# @: d7 Y6 U5 `
Basic research to the chemical reaction process of the non equilibrium plasma of6 k+ }8 ?9 ^2 u. K& p6 [
removal of SO2and NOxwith ionization discharge
5 @6 J8 j# b8 i3 y, oBai Xiyao Zhang Zhitao Bai Mindi( \9 b( m' ^0 c* Z, |
(Environmental Engineering Research Institute Dalian Maritime University, 116026)
0 H: y5 i. v9 a+ |; L, sAbstract The chemical reaction process of the non equilibrium plasma of removal of SO2and NOxwith8 t2 W, t5 c( R% H7 z6 y0 p: l
ionization discharge are studied. The stronger ionization discharge with the dielectric resistant is applied to$ `) o, C F2 v' d5 X5 \% z1 `3 Y, k
produce high concentration(>1015/cm3)and average energy electrons(>10 eV)and activated particles such as
0 e8 l8 ^* r- A0 g: n( h8 tO、O+、OH、HO2,so the difficult problem of activated energy which is needed for the removal of SO2and NOx
# q* @2 Y, @# zwith gas discharge is solved. The recovery efficiency of ammonia slats is up to about 88%.: F: v& }7 u& Z3 h8 D
Keywords electric field intensity strength of gas ionization electron energy removal of SO2and NOx |
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发表于 2009-8-28 10:28:10
