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脱硫脱硝技术展望; B; a6 R/ @6 r5 Z+ G) }
9 a. ?. y: Y' H6 O, u) h1 P) j8 q0 V
韩 慧,白敏冬,白希尧2 _% c- _) s* I [7 y
(大连海事大学环境工程研究所,辽宁大连 116026)) Y! E0 ?" j; F8 @
# S* X/ l2 a2 k8 K: T% B摘要:论述了脱硫脱硝技术现状,通过分析比较得出:湿法脱硫投资和运行成本高,产生的副产品无法进行再利用;电子束烟气脱硫脱硝技术
1 {2 U2 S! \0 O( J/ o投资和运行比湿法脱硫低20%~30%,但需要严格庞大的放射线防护设施,电子加速器昂贵,电子能量损失大。笔者提出强电离放电可以将烟( y5 \. ]1 O1 H) t I
气中的SO2氧化,然后生成固体微粒(NH4)2SO4,提高反应速率,简化流程,有望真正解决我国的SO2和NOx污染问题。
) q' ~! K6 O' \4 i5 S2 l/ D关键词:脱硫脱硝;高气压非平衡等离子体;介质阻挡强电离放电) o+ \- A, E& n7 s
中图分类号:X703·1 文献标识码:A 文章编号:1001-6929(2002)01-0055-03- Z9 K6 ^: V) ~# ?3 A8 l) I& x. W
Prospect of SO2and NOxRemoval Technology
6 v( H' w+ C: b9 d2 I; ?: B/ rHANHui, BAI Min-dong, BAI Xi-yao
" j; \2 U7 S6 O5 }5 U(Environmental Engineering Research Institute,Dalian Maritime University,Dalian 116026,China): ~6 b3 |* C% p9 `
Abstract: Technique situation of removal of SO2and NOxis described,and conclusions as followswere drawn through analysis and comparison.
3 @# K! s* G3 t. NThe investment and running cost of SO2removal in wet method is high and its byproducts are useless;on the contrary,the cost of SO2removal
7 ~; H( J# N+ T# z6 T! h8 u6 {by use of electron beam is 20%~30% lowerthan that inwetmethod,but strict and giant radiation defensive facilities are neededwith expens-
~8 V1 x3 M& m: [/ ~8 y% V% {ive accelerator and energy loss is great.Also it is suggested that SO2in flue gas can be oxidized and solid particles of (NH4)2SO4are generated! D8 l5 l4 w" L# D
by using strong barring dielectric discharge which is hopeful to resolve the pollution of SO2and NOxin China.
0 ~1 N; I+ R, F; z0 H3 Z+ A; [Key words: removal of SO2and NOx; high-pressure non-equilibrium plasma; strong barring dielectric discharge |
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发表于 2009-8-28 10:31:55
