Dyes removal from water using low cost absorbents

被引：4
|
作者：
Giraldo, S. [1 ]
Ramirez, A. P. [1 ]
Ulloa, M. [1 ]
Florez, E. [1 ]
Acelas, N. Y. [1 ]
机构：
[1] Univ Medellin, Medellin, Colombia
来源：
4TH INTERNATIONAL MEETING FOR RESEARCHERS IN MATERIALS AND PLASMA TECHNOLOGY (4TH IMRMPT) | 2017年 / 935卷
关键词：
ACTIVATED CARBON; CONGO-RED; AQUEOUS-SOLUTION; METHYLENE-BLUE; ADSORPTION; EQUILIBRIUM; THERMODYNAMICS; KINETICS;
D O I：
10.1088/1742-6596/935/1/012011
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this study, the removal capacity of low cost adsorbents during the adsorption of Methylene Blue (MB) and Congo Red (CR) at different concentrations (50 and 100mg.L-1) was evaluated. These adsorbents were produced from wood wastes (cedar and teak) by chemical activation (ZnCl2). Both studied materials, Activated Cedar (AC) and activated teak (AT) showed a good fit of their experimental data to the pseudo second order kinetic model and Langmuir isotherms. The maximum adsorption capacities for AC were 2000.0 and 444.4mg.g(-1) for MB and CR, respectively, while for AT, maximum adsorption capacities of 1052.6 and 86.4mg.g(-1) were found for MB and CR, respectively.
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页数：6
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