Adsorption of o-chlorobenzoic acid from alcohol-aqueous solution on activated carbon

被引：0
|
作者：
Sudo, Y [1 ]
Suzuki, M
机构：
[1] Tokyo Natl Coll Technol, Hachioji, Tokyo 193, Japan
[2] Univ Tokyo, Inst Ind Sci, Tokyo 106, Japan
来源：
KAGAKU KOGAKU RONBUNSHU | 1997年 / 23卷 / 03期
关键词：
adsorption; activated carbon; adsorption isotherm; surface diffusion coefficient; o-chlorobenzoic acid; alcohol aqueous solution;
D O I：
10.1252/kakoronbunshu.23.391
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The present work is aimed at determining the effective surface diffusion coefficients, Ds, and adsorption equilibriums during adsorption of o-chlorobenzoic acid on activated carbon from aqueous solution and alcohol aqueous solution (Methanol, Ethanol and n-Propanol) by batch operation. The solubility of o-chlorobenzoic acid into the alcohol aqueous solution changed about 100-fold as alcohol concentration rose from 0% to 100%. This aim of work is to formulate,by chemical potential theory, adsorption isotherms and Ds during adsorption from alcohol aqueous solution. As a result of this work, the investigated concentration range can be represented by Freundlich type isotherms. Ds depend on the amount of o-chlorobenzoic acid adsorbed and the solubility. The adsorption equilibriums and Ds can be formulated by chemical potential theory.
引用
收藏
页码：391 / 396
页数：6
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