Removal of cesium ions from aqueous solution by polyaniline: A radiotracer study

被引：20

作者：

Gupta, RK ^{[1
]}

Dubey, SS ^{[1
]}

机构：

[1] Banaras Hindu Univ, Fac Sci, Dept Chem, Varanasi 221005, Uttar Pradesh, India

来源：

JOURNAL OF POLYMER RESEARCH | 2005年 / 12卷 / 01期

关键词：

adsorption; cesium ion; Freundlich; irradiation; polyaniline; radiotracer;

D O I：

10.1007/s10965-004-1114-5

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The present work deals with the study of uptake behavior of cesium ions by polyaniline applying a radiotracer technique. The parametric study reveals that the increase of adsorbate concentration (10(-8) to 10(-3) mol dm(-3)) and temperature (303 to 333 K) enhances the removal of the ions and from thermal and kinetic data it is inferred that the adsorption of cesium ions follows first order rate law, obeys Freundlich isotherm and is endothermic in nature. The radiation stability of polyanifine was also investigated by exposing it to a 11.1 GBq (Ra-Be) source associated with gamma dose of 1.72 Gyh(-1).

引用

页码：31 / 35

页数：5

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