Evaluation of Fe(III) adsorption onto palygorskite surfaces

被引：35
|
作者：
Middea, Antonieta [1 ,2 ]
Fernandes, Thais L. A. P. [2 ]
Neumann, Reiner [2 ]
Gomes, Otavio da F. M. [2 ,3 ]
Spinelli, Luciana S. [1 ]
机构：
[1] Univ Fed Rio de Janeiro, Inst Macromol, BR-21941598 Rio De Janeiro, Brazil
[2] Ctr Mineral Technol CETEM, BR-21941908 Rio De Janeiro, Brazil
[3] Univ Liege, GeMMe, B-4000 Liege, Belgium
来源：
APPLIED SURFACE SCIENCE | 2013年 / 282卷
关键词：
Palygorskite; Adsorption; XRD; SEM; EDX; Infrared spectroscopy; Iron; AQUEOUS-SOLUTION; METHYLENE-BLUE; IRON; EQUILIBRIUM; REMOVAL;
D O I：
10.1016/j.apsusc.2013.05.113
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this work, the adsorption of Fe(III) onto Brazilian palygorskite nanoparticles was investigated and the modifications of the mineral-aqueous solution interface properties were evaluated. We also investigated the influence of the adsorbent concentration and the best contact time for the adsorption to occur. The results showed that an increase in adsorbent dosage also increased the Fe(III) adsorption and the Langmuir model fitted the experimental data, showing that palygorskite is a potential clay mineral for the removal of cations from solutions. (C) 2013 Elsevier B. V. All rights reserved.
引用
收藏
页码：253 / 258
页数：6
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