Fluoride removal by Fe(III)-loaded ligand exchange cotton cellulose adsorbent from drinking water

被引：83
|
作者：
Zhao, Yaping [1 ]
Li, Xiuyan [1 ]
Liu, Lu [2 ]
Chen, Fuhua [2 ]
机构：
[1] E China Normal Univ, Dept Environm Sci, Shanghai 200062, Peoples R China
[2] Nankai Univ, Coll Environm Sci & Engn, Tianjin 300071, Peoples R China
来源：
CARBOHYDRATE POLYMERS | 2008年 / 72卷 / 01期
基金：
中国国家自然科学基金;
关键词：
fluoride removal; Fe(III)LECCA; drinking water; ligand exchange mechanism;
D O I：
10.1016/j.carbpol.2007.07.038
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A novel bead adsorbent, Fe(III)-loaded ligand exchange cotton cellulose adsorbent [Fe(III)LECCA], was prepared, for fluoride removal from drinking water. The influence of pH, reaction time, temperature, foreign ions, flow rate, and regeneration were determined in batch and column systems. Adsorption-desorption-readsorption results indicated that Fe(III)LECCA has the potential to act as an adsorbent for the removal of fluoride because of its adsorption capacity and mechanical stability. The adsorption mechanism of fluoride removal was elucidated clearly by Fourier Transform Infra Red (FTIR) spectrum and chemical analysis. The results showed that Fe(III)LECCA would be a cost-effective and environmental benign adsorbent for fluoride removal from drinking water. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：144 / 150
页数：7
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