Carbon-encapsulated magnetic nanoparticles as separable and mobile sorbents of heavy metal ions from aqueous solutions

被引:120
作者
Bystrzejewski, M. [1 ]
Pyrzynska, K. [1 ]
Huczko, A. [1 ]
Lange, H. [1 ]
机构
[1] Warsaw Univ, Dept Chem, PL-02093 Warsaw, Poland
关键词
ACTIVATED CARBON; NANOTUBES; ADSORPTION;
D O I
10.1016/j.carbon.2009.01.007
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
Carbon-encapsulated magnetic nanoparticles (CEMNPs) are studied as mobile sorbents for removal of heavy metal ions (Cu2+, Co2+ Cd2+) from aqueous solutions. The ion uptakes achieve 95% for cadmium and copper. CEMNPs-based sorbents also have excellent adsorption capacities (between 1.23 and 3.21 mg/g), which are considerably higher than the capacities of activated carbons (between 0.37 and 0.39 mg/g). (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1201 / 1204
页数:4
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