Removal and Adsorption of p-Nitrophenol from Aqueous Solutions Using Carbon Nanotubes and Their Composites

被引：86
作者：
Yao, Yuan-Xiang [1 ]
Li, He-Bing [2 ]
Liu, Jin-Yun [1 ]
Tan, Xin-Liang [1 ]
Yu, Jin-Gang [2 ,3 ]
Peng, Zhi-Guang [1 ,2 ]
机构：
[1] China Tobacco Hunan Ind Corp, Ctr Res & Dev, Changsha 410014, Hunan, Peoples R China
[2] Cent South Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
[3] Hunan Univ, Coll Chem & Chem Engn, Changsha 410082, Hunan, Peoples R China
来源：
JOURNAL OF NANOMATERIALS | 2014年 / 2014卷
基金：
中国博士后科学基金; 中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
CATALYTIC-REDUCTION; ORGANIC POLLUTANTS; NANOPARTICLES; FUNCTIONALIZATION; PERFORMANCE; OXIDATION; COPPER;
D O I：
10.1155/2014/571745
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In an attempt to explore the possibility of using carbon nanotubes (CNTs) as efficient adsorbents for removal of pollutants from the contaminated water, the adsorption of p-nitrophenol (PNP) on raw multiwalled carbon nanotubes (r.MWNTs) with different outer diameters, various functionalized multiwalled carbon nanotubes (f-MWNTs), raw single-walled carbon nanotubes (r.SWNTs) and oxidized single-walled carbon nanotubes (ox-SWNTs) has been investigated. The ox-SWNTs showed better adsorption ability for PNP with different concentrations, while lower uptake capacity was found for all of the r.MWNTs and f-MWNTs. The removal efficiency of PNP by ox-SWNTs was around 98%, indicating that ox-SWNTs possess a great potential application prospect for removing PNP from aqueous solutions.
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页数：9
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