|
|
马上注册，结识高手，享用更多资源，轻松玩转三维网社区。
您需要 登录 才可以下载或查看，没有帐号？注册
x
脱硫脱硝技术展望/ x6 a8 E4 g# k
& Y) M v5 a. Z, b0 K# Z
韩 慧,白敏冬,白希尧: |, U: ]0 |* e$ b- J. ~& @& Z
(大连海事大学环境工程研究所,辽宁大连 116026)
1 z& T& ]9 G) L: I, _+ D+ T: S1 i1 V0 F
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
# ?8 l& c1 S# U) }8 Y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% m# {8 Q# n8 i! @% G
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。
( j3 G9 R3 k0 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) q7 \% N6 ?2 G* z
中图分类号:X703·1 文献标识码:A 文章编号:1001-6929(2002)01-0055-033 f. r1 _$ h$ F2 a
Prospect of SO2and NOxRemoval Technology
0 i3 Z# h! f6 G7 p: k. g4 c9 ]4 cHANHui, BAI Min-dong, BAI Xi-yao
6 r9 M* m) k3 _+ Z! \9 j- { B(Environmental Engineering Research Institute,Dalian Maritime University,Dalian 116026,China)0 o$ X0 g) `' c- o
Abstract: Technique situation of removal of SO2and NOxis described,and conclusions as followswere drawn through analysis and comparison.( C5 r& B" {& a# b) Y5 z) [+ Z
The investment and running cost of SO2removal in wet method is high and its byproducts are useless;on the contrary,the cost of SO2removal& R+ g0 m/ Q8 G9 u6 F! T1 }
by use of electron beam is 20%~30% lowerthan that inwetmethod,but strict and giant radiation defensive facilities are neededwith expens-
3 v3 B2 Y1 Y9 f$ {) { `! @! H4 _* Jive accelerator and energy loss is great.Also it is suggested that SO2in flue gas can be oxidized and solid particles of (NH4)2SO4are generated
8 v" I% }- {8 Z0 \+ pby using strong barring dielectric discharge which is hopeful to resolve the pollution of SO2and NOxin China.: F4 U& x1 |1 }/ S. t5 |! O; ?. R
Key words: removal of SO2and NOx; high-pressure non-equilibrium plasma; strong barring dielectric discharge |
|
发表于 2009-8-28 10:31:55
