Adsorption of Pb(II) from aqueous solution using new adsorbents prepared from agricultural waste: Adsorption isotherm and kinetic studies

被引：93
|
作者：
Ghasemi, M. [1 ]
Naushad, M. [2 ]
Ghasemi, N. [1 ]
Khosravi-Fard, Y. [1 ]
机构：
[1] Islamic Azad Univ, Fac Sci, Dept Chem, Arak, Iran
[2] King Saud Univ, Coll Sci, Dept Chem, Adv Mat Res Chair, Riyadh 11451, Saudi Arabia
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2014年 / 20卷 / 04期
关键词：
Pb(II); Rosa Canina-L leaf; Fe nanoparticles loaded ash; Adsorption isotherms; Kinetic models; HEAVY-METALS; LEAD IONS; REMOVAL; EQUILIBRIUM; SORPTION; PB2+; SAWDUST; ZINC;
D O I：
10.1016/j.jiec.2013.09.050
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The main goal of this study was to evaluate the performance of two new adsorbents, ash and Fe nanoparticles loaded ash (nFe-A) for the removal of Pb(II) from aqueous solution. Batch experiments were performed as a function of various experimental parameters. The adsorption studies included both equilibrium adsorption isotherms and kinetics. Equilibrium data fitted very well with the Langmuir isotherm model. Kinetics studies showed better applicability for pseudo-second-order model for both adsorbents. The regeneration studies showed promising regeneration potential of these adsorbents. The breakthrough capacities of ash and nFe-A for Pb(II) removal was found 25 and 30 mg g(-1), respectively. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：2193 / 2199
页数：7
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