|
|
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
# A) _- V: N) ~$ H& g
, R5 o' I4 ?9 M7 {* H% N9 m韩 慧,白敏冬,白希尧
7 a& u# J3 d# p, E+ S$ e(大连海事大学环境工程研究所,辽宁大连 116026)
0 J+ n6 q4 U3 A7 k
* K, Z7 Z; b+ N1 a* h: G+ P8 B& Q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) h* t9 r0 L ^6 k
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
* A9 |/ P$ I" i6 j8 a% y9 L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。5 P# u0 Y& X" J/ M5 d6 ?/ I; a% `
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+ v' `( k( T) N1 W! q) b% s( @, d2 H
中图分类号:X703·1 文献标识码:A 文章编号:1001-6929(2002)01-0055-03
- W1 M; M9 g3 h$ k- ZProspect of SO2and NOxRemoval Technology
p) f0 [4 b' A' h! B6 JHANHui, BAI Min-dong, BAI Xi-yao
$ ^2 l4 `- `9 x7 M; q(Environmental Engineering Research Institute,Dalian Maritime University,Dalian 116026,China)
. ^: N0 [2 L5 bAbstract: Technique situation of removal of SO2and NOxis described,and conclusions as followswere drawn through analysis and comparison.1 u& {" X4 `& ?. p* K5 I2 m5 r
The investment and running cost of SO2removal in wet method is high and its byproducts are useless;on the contrary,the cost of SO2removal6 d3 z! L$ O) U" U7 z. y
by use of electron beam is 20%~30% lowerthan that inwetmethod,but strict and giant radiation defensive facilities are neededwith expens-* D5 y4 l# d6 x1 D2 o
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
5 U5 j- q% C. @2 i4 \by using strong barring dielectric discharge which is hopeful to resolve the pollution of SO2and NOxin China.
r* |: v6 U+ M, m# nKey words: removal of SO2and NOx; high-pressure non-equilibrium plasma; strong barring dielectric discharge |
|
发表于 2009-8-28 10:31:55
