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<strong>Kinetic and thermodynamic study of Am(III) sorption on Na-bentonite: Comparison of linear and non-linear methods</strong>

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Title Statement <strong>Kinetic and thermodynamic study of Am(III) sorption on Na-bentonite: Comparison of linear and non-linear methods</strong>
 
Added Entry - Uncontrolled Name Yu, Tao
Liang, Shimin
Shang, Xiaoqi
Financial support from National Science Foundation of China (21561001), and Science and Technology Research Project of Jiangxi Provincial Education Development (GJJ13454)
 
Uncontrolled Index Term Sorption; Am (III); Kinetic; Thermodynamics; Linear and non-linear methods
 
Summary, etc. Kinetic and thermodynamic studies of Am (III) sorption on Na-bentonite have been investigated under the given conditions. Comparisons of linear and non-linear methods of three kinetic rate equations and four thermodynamic isotherms have been tested on the experimental data. The results show that sorption of Am (III) on Na-bentonite can be represented by a pseudo-second-order rate equation, and the non-linear pseudo-second-order kinetic expression could fit the kinetics better. The thermodynamic parameters (ΔH<sup>0</sup>, ΔS<sup>0</sup> and ΔG<sup>0</sup>) of Am (III) sorption on Na-bentonite indicate that the sorption process was spontaneous. Freundlich isotherm model is the best-fit model to the experimental data for the sorption of Am (III) on Na-bentonite. Furthermore, the non-linear method is a better way to describe the sorption isotherm than the linear method. Non-linear methods are found to be the better way to obtain the kinetic and thermodynamic parameters.
 
Publication, Distribution, Etc. Indian Journal of Chemical Technology (IJCT)
2017-08-31 10:09:17
 
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http://op.niscair.res.in/index.php/IJCT/article/view/10749
 
Data Source Entry Indian Journal of Chemical Technology (IJCT); ##issue.vol## 24, ##issue.no## 2 (2017): Indian Journal of Chemical Technology
 
Language Note en
 
Nonspecific Relationship Entry http://op.niscair.res.in/index.php/IJCT/article/download/10749/30503