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

页码：844 / 848

页数：5

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