Equilibrium and kinetic studies of methyl orange and methyl violet adsorption on activated carbon derived from Phragmites australis

被引：668

作者：

Chen, Suhong ^{[1
]}

Zhang, Jian ^{[1
]}

Zhang, Chenglu ^{[1
]}

Yue, Qinyan ^{[1
]}

Li, Yan ^{[1
]}

Li, Chao ^{[1
]}

机构：

[1] Shandong Univ, Sch Environm Sci & Engn, Jinan 250100, Peoples R China

来源：

DESALINATION | 2010年 / 252卷 / 1-3期

基金：

中国国家自然科学基金;

关键词：

Phragmites australis activated carbon; Adsorption; Equilibrium isotherm; Kinetics; Methyl orange; Methyl violet; AQUEOUS-SOLUTION; WOOD SAWDUST; COCONUT HUSK; FLY-ASH; REMOVAL; BLUE; WASTE; ACID; DYE; SORPTION;

D O I：

10.1016/j.desal.2009.10.010

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The adsorption of methyl orange and methyl violet from aqueous solutions by Phragmites australis activated carbon (PAAC) was studied in a batch adsorption system. The adsorption studies include both equilibrium adsorption isotherms and kinetics. Several isotherm models were investigated and the adsorption isotherm data were best represented by the Temkin isotherms. The kinetic data were well described by the pseudo-second-order kinetic model. The mechanism of the adsorption process was determined from the intraparticle diffusion model. The results indicate that PAAC could be employed as a low-cost alternative for the removal of the textile dyes from effluents. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：149 / 156

页数：8

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