Adsorption of chromium(VI) on multi-wall carbon nanotubes in aqueous solution

被引：0
|
作者：
Li, W. B. [1 ]
Qiu, K. D. [1 ]
机构：
[1] Tsing Hua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China
来源：
Progress of Green Oxidation/Reduction Technologies | 2006年
关键词：
chromium; adsorption; carbon nanotube;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Carbon nanotubes (CNTs) were employed for the removal of toxic hexavalent chromium ions (Cr6+) from aqueous solution. The adsorption capacity of Cr6+ on CNTs increased with an increase in the concentration of Cr6+, and then reach a plateau between 300-700 mg/L of Cr6+; and the capacity was also significantly affected by the pH value of the solution between 2 and 7, and little change was observed above pH value of 7. By comparison, CNTs showed higher adsorption capacity of Cr6+ than the commercial activated carbon under the same experimental conditions.
引用
收藏
页码：499 / 501
页数：3
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