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含氧化铁粉粒状脱硫剂的脱硫性能研究1 F: Y5 u9 \ q, G8 M. o
张佩芳,黄学敏/ b2 f) g" {! |
(西安建筑科技大学环境与市政工程学院,陕西西安710055), K8 I ?+ h# b, ?1 l
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
( ~. G& W; X# `% Y6 Y# K& i: H: s$ O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
; f$ v- K, J3 ^3 N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,Fe2O35 D6 Y S. f7 F; c
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
- H0 G2 g5 c5 r, H% S量,由实验可得其最佳添加量在总质量的1.5%~6%之间.+ H3 e/ z e+ v3 n7 }* M/ |' q" ?: x
关键词:粒状脱硫剂; Fe2O3粉;脱硫速率;钙利用率! G6 O2 v3 t/ l. M& T0 e) N) ^
中图分类号:X511 文献标识码:A 文章编号:1006-7930(2004)02-0163-03
) ?- h& v" w$ g0 U6 ^# OThe research of dry SO2absorbent with Fe2O3
& U9 m+ ~! s8 d5 z3 V) JZHANG Pei-fang,HUANG Xue-min
1 F- d6 R1 S9 u/ d(School of Envi.And Muni. Eng., Xi’an Univ. of Arch. &Tech., Xi’an 710055 ,China)* u0 }6 m1 G4 T
Abstract ue to its low efficiency, the method of dry desulphurization, cannot be widely used .In order to get high
2 v2 I0 p" Q' nactive absorbents, the metal oxide Fe2O3is mixed with absorbents as the catalyzer .By experiments the effect of particle0 u+ u" D- \# V* F3 ^' c/ \% \/ A. m
diameter and steam activation, wetting, Fe2O3on desulphurization velocity and calcium efficiency is defined.So is derived9 n9 w" a3 M$ j, x+ F7 B
the catalysis of Fe2O3is derived and primariy analysis on the catalytic mechanism is fulfilled. From the figures the" B$ R$ l' T9 B x7 }, {
catalysis of Fe2O3is connected with the quantity is obtained. Less Fe2O3and more Fe2O3cannot promote the reaction.9 s/ w$ k: E# d4 j5 F1 D1 D- z5 C
The optical weight is caught between 1.5% and 6% of total weight from the experiments.
/ N5 L2 b9 v; ~( P! b4 z% O- uKey words:columnar SO2absorbent;Fe2O3;desulphurization velocity;calcium efficiency |
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发表于 2009-9-3 09:51:51
