附载型吸附剂对煤油中硫醇类硫的吸附特性  

Sorption of Mercaptan in Kerosene onto Adsorbents

作　　者：杜建云[1] 庄源益[2] 谷文新[2] 

机构地区：[1]天津师范大学化学与生命科学学院,天津300074 [2]南开大学环境科学与工程学院,天津300071

出　　处：《上海环境科学》2002年第7期416-418,共3页Shanghai Environmental Sciences

基　　金：天津市高等学校科技发展基金项目资助;编号01-20501

摘　　要：利用浸渍-焙烧法制备的载有铜、铅或锰的附载型吸附剂吸附煤油中的硫醇类硫,脱硫醇效果显著。制备的各种吸附剂吸附硫醇类硫的过程中的液膜扩散,颗粒内部的扩散性存在差异。等温吸附曲线显示载铜氧化铝吸附剂对硫醇的吸附遵从Langmuir方程,载铅氧化铝吸附剂对硫醇的吸附可用Freundlich方程拟合。流量为每小时1个床体积的固体床动态吸附结果表明,载铅氧化铝吸附剂吸附过程到达穿透点(硫醇类硫浓度为2.55mg/L)的连续过液量为97个床体积。Applied adsorbents, such as copper, lead or man-ganese-carrying alumina or molecular sieve, are effec-tive in adsorbing mercaptan on kerosene. In the ad-sorption process the liquid mass transfer and the intraparticle diffusion are different from each adsor-bent. The isotherm, for adsorption of mercaptan on Cu-carrying alumina fits Langmuir equation better and that on Pb-carrying alumina can be expressed by Freundlich model. The results of the fixed bed con- tinue flow adsorption of mercaptan indicated that one bed volume of Pb-carrying alumina adsorbent could treat 97 bed volume of mercaptan-containing kerosene.

关 键 词：硫 吸附特性 附载型 吸附剂 煤油 脱硫醇 

分 类 号：TE624.55[石油与天然气工程—油气加工工程]