Biosorption of Cu(II) and Pb(II) from aqueous solutions by dried activated sludge

被引：42
|
作者：
Wang, Xuejiang [1 ]
Chen, Ling
Xia, Siqing
Zhao, Jianfu
Chovelon, Jean-Marc
Renault, Nicole Jaffrezic
机构：
[1] Tongji Univ, State Key Lab Pollut Control & Resources Reuse, Shanghai 200092, Peoples R China
[2] Univ Lyon 1, CNRS, UMR 5634, Lab Applicat Chim Environm, F-69622 Villeurbanne, France
[3] Ecole Cent Lyon, CNRS, UMR 5005, CEGELY, F-69134 Ecully, France
来源：
MINERALS ENGINEERING | 2006年 / 19卷 / 09期
关键词：
biosorption; adsorption isotherm; heavy metal; activated sludge;
D O I：
10.1016/j.mineng.2005.09.042
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The biosorption of Cu(II) and Pb(II) ions from aqueous solutions by dried activated sludge was investigated as a function of initial pH, initial metal ion concentration and temperature. The results showed that both the heavy metals uptake processes followed the pseudo-second-order equation. The equilibrium data fitted very well to both Langmuir and Freundlich adsorption models. The main mechanism of Cu(II) and Pb(II) biosorption on dried activated sludge was their binding with amide I group. (C) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：968 / 971
页数：4
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