作者
Monireh Haerifar, Saeid Azizian
发表日期
2014/1/16
期刊
The Journal of Physical Chemistry C
卷号
118
期号
2
页码范围
1129-1134
出版商
American Chemical Society
简介
A physical meaning of the fractal-like concept has been represented for kinetics of adsorption on energetically heterogeneous solid surfaces. This study shows that the adsorption kinetics at the solid/solution interface in a real system with different types of surface sites and then with different affinity for adsorption can be described by a fractal-like approach. On the basis of this study, the history of process can affect the rate of process, and therefore the observed adsorption rate coefficient is a function of time. Employing this concept to extend some kinetic models leads to obtaining different fractal-like kinetic models that can be utilized to simulate adsorption kinetics in systems with heterogeneous surfaces. The simulation of experimental kinetic data with fractal-like equations for the heterogeneous surfaces and the fact that their equilibrium data follow the Langmuir–Freundlich (Sips) isotherm indicate the applicability of …
引用总数
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学术搜索中的文章
M Haerifar, S Azizian - The Journal of Physical Chemistry C, 2014