Adsorption of thorium from aqueous solutions by perlite

被引：131

作者：

Talip, Z. ^{[1
]}

Eral, M. ^{[1
]}

Hicsonmez, U. ^{[2
]}

机构：

[1] Ege Univ, Inst Nucl Sci, TR-35100 Bornova, Turkey

[2] Celal Bayar Univ, Fac Sci & Arts, Manisa, Turkey

来源：

JOURNAL OF ENVIRONMENTAL RADIOACTIVITY | 2009年 / 100卷 / 02期

关键词：

Adsorption; Thorium; Perlite; Isotherm; Thermodynamics; EXPANDED PERLITE; REMOVAL; SORPTION; MONTMORILLONITE; HYDROLYSIS; BENTONITE; SAMPLES; IONS;

D O I：

10.1016/j.jenvrad.2008.09.004

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The use of expanded perlite for the adsorption of thorium from aqueous solution by batch technique is presented. The effects of particle size, pH of the solution, initial thorium concentration, shaking time, V/m ratio and temperature were determined. It was found that the adsorption capacity increases by the increase in the pH of the suspensions. The rate of thorium adsorption on expanded perlite was observed to be fast in the first hour of the reaction time. Adsorption isotherms were expressed by Langmuir and Freundlich adsorption models and the adsorption experiments conducted at 30 +/- 1 degrees C showed that the adsorption isotherms correlated well with the Langmuir model. From the adsorption data, thermodynamic parameters such as Delta G(0), Delta H-0 and Delta S-0 were calculated as a function of temperature. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：139 / 143

页数：5

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