文献类型：期刊文献

中文题名：SO_2在活性炭床层中的透过曲线

英文题名：INVESTIGATION ON BREAKTHROUGH CURVE OF SO_2 IN A PACKED BED OF ACTIVATED CARBON

作者：程振民[1];蒋正兴[1];袁渭康[1]

机构：[1]华东理工大学联合化学反应工程研究所,上海00237

年份：1996

卷号：47

期号：5

起止页码：515

中文期刊名：化工学报

外文期刊名：CIESC Journal

收录：CSTPCD;;EI(收录号：1997113498988);Scopus;北大核心:【北大核心1992】；CSCD:【CSCD2011_2012】；

基金：国家自然科学基金委员会;中国石化总公司资助

语种：中文

中文关键词：活性炭;脱硫;二氧化硫;透过曲线;固定床反应器

外文关键词：desulphurization by activated carbon,su1phur dioxide,reactive adsorption,breakthrough curve.

摘要：SO_2在水蒸气和氧共存的条件下与活性炭接触将发生催化氧化反应变为硫酸蓄积在活性炭内部.SO_2在活性炭上的吸附是一种特殊的操作过程，既不同于纯粹的物理吸附又不同于固定床操作.因此，用于这类反应器设计的方法也有所不同.本文建立了计算化学反应存在下吸附现象透过曲线的基本方程式，采用微分反应器进行了吸附等温线和反应速率方程式的测定，并以积分反应器对床层出口处浓度变化进行了检验．本文还对透过曲线的几何形状，床层内部透过曲线随时间的移动和床层出口透过曲线进行了预测．
Under coexistence of water vapor and xygen,So_2 would be oxidized catalytically over activated carbon into sulfuric acid and stored in carb on pores.Adsorption of SO_2 on ctivated carbon is a special process which is different from either pure physical adsorption or fixed-bed operation.Therefore,the design method for adsorption must be different.Some fundamental relationships for evaluation of breakthrough curve for this adsorption phenomena with chemical reaction were setup.A differential reactor was used for adsorption isotherm and kinetic equation measurements,and an integral reactor was used for examining exit SO_2 concentration variation. Additionally,the shape and shitt of the breakthrough profile inside the bed,as well as its variation at the bed exit with time were all predicted．