Equilibrium and thermodynamics of dye removal from aqueous solution by adsorption using rubber wood saw dust

被引：8
|
作者：
Kumar, K. Vasanth [1 ]
Porkodi, K. [2 ]
机构：
[1] Anna Univ, Dept Chem Engn, ACTech, Madras 600025, TN, India
[2] PSG Coll Technol, Dept Chem, Coimbatore 641004, TN, India
来源：
INTERNATIONAL JOURNAL OF ENVIRONMENTAL TECHNOLOGY AND MANAGEMENT | 2009年 / 10卷 / 3-4期
关键词：
Bismarck brown; equilibrium; linear method; non-linear method; rubber wood saw dust; sorption;
D O I：
10.1504/IJETM.2009.023736
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Batch equilibrium experiments were carried out for the sorption of Bismarck brown onto rubber wood saw dust particles. The operating variables studied were the initial dye concentration, particle diameter and solution temperature. A linearised Langmuir isotherm was found to well represent the equilibrium uptake for the range of operating conditions studied. The monolayer sorption capacity of rubber wood saw dust for the sorption of Bismarck brown was estimated to be 35 mg g(-1). The sorption capacity was found to increase with decreasing particle size. The negative value of Delta G and Delta H suggests the spontaneity and exothermic nature of the process.
引用
收藏
页码：295 / 307
页数：13
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