Oxidized carbon nanotubes for simultaneous removal of endrin and Cd(II) from water and their separation from water

被引：18
|
作者：
Peng, Xianjia [1 ]
Jia, Jianjun [1 ]
Luan, Zhaokun [1 ]
机构：
[1] Chinese Acad Sci, Ecoenvironm Sci Res Ctr, State Key Lab Environm Aquat Chem, Beijing 100085, Peoples R China
来源：
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY | 2009年 / 84卷 / 02期
基金：
中国国家自然科学基金;
关键词：
ADSORPTION; TRIHALOMETHANES; HNO3;
D O I：
10.1002/jctb.2035
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
BACKGROUND: Previous investigation has shown that carbon nanotubes (CNTs) are effective for the removal of organic pollutants and oxidized carbon nanotubes (OCNTs) are effective for the removal of heavy metals. In this investigation, OCNTs were used for simultaneous removal of endrin and Cd(II) from water. Separation of OCNTs from water was also investigated. RESULTS: The removal efficiencies of endrin and Cd(II) by OCNTs were 89-97% and 96-100%, respectively. Endrin removal capacity of OCNTs is approximately the same as that of powdered activated carbon (PAC) and as-prepared CNTs. Cd(II) removal capacity of OCNTs is much higher than that of PAC and as-prepared CNTs. OCNTs can be separated efficiently from water using AlCl3. CONCLUSION: OCNTs are effective for the simultaneous removal of endrin and Cd(II) and after adsorption, OCNTs can be separated from water by dosing AlCl3. (C) 2008 Society of Chemical Industry
引用
收藏
页码：275 / 278
页数：4
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