Adsorption of Reactive Dyes by Palm Kernel Shell Activated Carbon: Application of Film Surface and Film Pore Diffusion Models

被引：6
|
作者：
Nourouzi, M. M. [1 ]
Chuah, T. G. [1 ]
Choong, Thomas S. Y. [1 ]
机构：
[1] Univ Putra Malaysia, Dept Chem & Environm Engn, Fac Engn, Upm Serdang 43300, Selangor, Malaysia
来源：
E-JOURNAL OF CHEMISTRY | 2009年 / 6卷 / 04期
关键词：
Adsorption; Reactive dye; Palm kernel shell; Film-surface-pore diffusion; AQUEOUS-SOLUTION; MASS-TRANSFER; ACID DYES; KINETICS;
D O I：
10.1155/2009/303194
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The rate of adsorption of two reactive dyes, Reactive Black 5 and Reactive Red E onto palm kernel shell-based activated carbon was studied. The experiment was carried out to investigate three models: film diffusion model, film-surface and film-pore diffusion models. The results showed that the external coefficients of mass transfer decreased with increasing of initial adsorbate concentration. In addition, it was found that the adsorption process was better described by using the two resistance models, i.e. film-surface diffusion.
引用
收藏
页码：949 / 954
页数：6
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