|
|
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
含氧化铁粉粒状脱硫剂的脱硫性能研究; F8 n N3 n* H! I- f
张佩芳,黄学敏4 x. ~* A, B/ v6 Z% i
(西安建筑科技大学环境与市政工程学院,陕西西安710055)2 B7 R0 v- x4 M1 [; I' W) M
摘 要:干法脱硫由于其脱硫剂利用率低而未达到广泛的应用,为研究高效的干法脱硫剂,在干法粒状脱硫剂9 x# N9 q. h, ^
中加入金属氧化物Fe2O3作为催化剂,通过实验确定直径、蒸汽活化、加湿和加入Fe2O3粉对脱硫剂脱硫速率, q1 O. D6 u" x8 a' U4 g/ ?" u! k
及钙利用率的影响,从而确定Fe2O3粉的催化性能并初步分析其催化机理.由曲线图中曲线对比可得,Fe2O33 v, k3 m t8 G
粉的催化性能与其投加量有关,少量Fe2O3粉与过量Fe2O3粉对反应的促进作用不明显,所以存在最佳的添加
W7 J" _; \, _9 E( T) y7 [1 }量,由实验可得其最佳添加量在总质量的1.5%~6%之间.+ s$ P% C: L* U3 ~) X) [7 ~, y
关键词:粒状脱硫剂; Fe2O3粉;脱硫速率;钙利用率
; c0 Z: @ ~+ \, W6 w4 g" E中图分类号:X511 文献标识码:A 文章编号:1006-7930(2004)02-0163-03 u" d# o7 c/ m- @/ o2 ]6 @# z' b
The research of dry SO2absorbent with Fe2O38 y) H0 w# @& c6 ~
ZHANG Pei-fang,HUANG Xue-min
/ @, w; G5 o9 B$ d(School of Envi.And Muni. Eng., Xi’an Univ. of Arch. &Tech., Xi’an 710055 ,China)
. g3 t/ l4 s0 c8 e- H2 U. ^Abstract ue to its low efficiency, the method of dry desulphurization, cannot be widely used .In order to get high
: N: ~* u% r7 n0 t# s [. cactive absorbents, the metal oxide Fe2O3is mixed with absorbents as the catalyzer .By experiments the effect of particle" C- t- Q5 S; t
diameter and steam activation, wetting, Fe2O3on desulphurization velocity and calcium efficiency is defined.So is derived! y# y' u' M! h) v8 a! b. Q
the catalysis of Fe2O3is derived and primariy analysis on the catalytic mechanism is fulfilled. From the figures the
5 H( |% h ?/ O u2 Qcatalysis of Fe2O3is connected with the quantity is obtained. Less Fe2O3and more Fe2O3cannot promote the reaction.
, a4 _7 z6 n$ K! pThe optical weight is caught between 1.5% and 6% of total weight from the experiments.+ v" T4 Y: b" p3 S! U I: q
Key words:columnar SO2absorbent;Fe2O3;desulphurization velocity;calcium efficiency |
评分
-
查看全部评分
|
发表于 2009-9-3 09:51:51
