含氧化铁粉粒状脱硫剂的脱硫性能研究CAJ【期刊文献】

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含氧化铁粉粒状脱硫剂的脱硫性能研究
张佩芳,黄学敏
(西安建筑科技大学环境与市政工程学院,陕西西安710055)
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
! t- e5 `: j4 d3 r& G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
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,Fe2O3
6 {& Y% e* l; q+ ?$ z* g, Y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
- o2 B# b% [8 ]7 \2 V量,由实验可得其最佳添加量在总质量的1.5%~6%之间.
7 t5 h4 ^) m! H* }8 _: Z8 p关键词:粒状脱硫剂; Fe2O3粉;脱硫速率;钙利用率
中图分类号:X511       文献标识码:A       文章编号:1006-7930(2004)02-0163-03  
( U' S) Y. C5 z  U3 L( U& E( qThe research of dry SO2absorbent with Fe2O3
3 M6 }; @4 B& _5 EZHANG Pei-fang,HUANG Xue-min
, X/ A* q; Y7 d. ?$ y(School of Envi.And Muni. Eng., Xi’an Univ. of Arch. &Tech., Xi’an 710055 ,China)
3 [8 G9 T. O* tAbstractue to its low efficiency, the method of dry desulphurization, cannot be widely used .In order to get high
active absorbents, the metal oxide Fe2O3is mixed with absorbents as the catalyzer .By experiments the effect of particle
8 d8 I# {7 p2 c/ U4 c6 O" h! {% tdiameter and steam activation, wetting, Fe2O3on desulphurization velocity and calcium efficiency is defined.So is derived
the catalysis of Fe2O3is derived and primariy analysis on the catalytic mechanism is fulfilled. From the figures the
5 c( _( p. t0 |# Ucatalysis of Fe2O3is connected with the quantity is obtained. Less Fe2O3and more Fe2O3cannot promote the reaction.
) v- @8 e- q$ H( m4 hThe optical weight is caught between 1.5% and 6% of total weight from the experiments.
Key words:columnar SO2absorbent;Fe2O3;desulphurization velocity;calcium efficiency