The dynamics of sorption of sulfuric acid by weakly basic polyacrylic anion exchangers

被引：0
|
作者：
Mamchenko, A. V. [1 ]
Kushnir, T. V. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Dumanskii Inst Colloid Chem & Chem Water, Kiev, Ukraine
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2009年 / 83卷 / 05期
关键词：
ADSORPTION;
D O I：
10.1134/S0036024409050288
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The nonequilibrium dynamics of sorption of sulfuric acid by free base forms of Amberlite IRA-67 and Lewatite VP.OC.1072 weakly basic anion exchangers is studied. It is established that, in hydrodynamic regimes of filtration, which are typical of OH filters of the first stage of water-desalting plants, the limiting stage of sorption kinetics is inside diffusion. It is concluded that the process is correctly described by an asymptotic solution to the inside-diffusion model of sorption dynamics.
引用
收藏
页码：844 / 848
页数：5
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