Equilibrium sorption isotherms for nitrate on resin Amberlite IRA 400

被引：39

作者：

Chabani, M. ^{[2
]}

Amrane, A. ^{[1
]}

Bensmaili, A. ^{[2
]}

机构：

[1] Univ Rennes 1, CNRS, UMR Sci Chim Rennes 6226, Equipe Chim & Ingn Procedes,ENSCR, F-35700 Rennes, France

[2] USTHB, Fac Genie Procedes & Genie Mecan, El Allia, Bab Ezzouar, Algeria

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2009年 / 165卷 / 1-3期

关键词：

Adsorption isotherm; Nitrate; Resin; Models; METAL-IONS; ADSORPTION; CHITOSAN; REMOVAL; PEAT; LEAD;

D O I：

10.1016/j.jhazmat.2008.08.091

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The adsorption isotherms of nitrate on resin Amberlite IRA 400 at various pH, in the range 2-12, were experimentally determined by batch tests. The experimental data have been analysed using the Langmuir, Freundlich, Redlich-Peterson and Sips isotherms models. In order to determine the best fit isotherm, two error analysis methods were used to evaluate the data: the regression correlation coefficient, and the statistic Chi-square test. In the range of pH tested, the Sips model was found to give the best fit of the adsorption isotherm data. The maximum adsorption capacity can be deduced from the obtained correlation coefficients and was found to decrease for increasing pH. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：27 / 33

页数：7

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