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Citation: PENG Wei, LI Jie, CHENG Ge, XIE Zhenzhen, SHI Lei. Carbon Microspheres Prepared by the Metal Ion Imprinted Method for Selective Adsorption of Copper (Ⅱ) Ion[J]. Chinese Journal of Applied Chemistry, ;2015, 32(11): 1307-1311. doi: 10.11944/j.issn.1000-0518.2015.11.150026 shu

Carbon Microspheres Prepared by the Metal Ion Imprinted Method for Selective Adsorption of Copper (Ⅱ) Ion

PENG Wei ^a ,
LI Jie ^b ,
CHENG Ge ^a ,
XIE Zhenzhen ^a ,
SHI Lei ^a,,

1.
a College of Public Health, Jilin University, Changchun 130021, China;
2.
b The First Hospital, Jilin University, Changchun 130021, China

Corresponding author: SHI Lei,
Received Date: 21 January 2015
Available Online: 21 May 2015

An amino-functionalized metal ion-imprinted adsorbent was newly synthesized for the selective extraction and removal of Cu(Ⅱ) from aqueous solution. The adsorption capacity of the amino-functionalized ion-imprinted adsorbent was found to be significantly more than that of several adsorbents reported in the literatures. In this work, tetraethylene pentamine(TEPA), tungsten ions as template and glucose are combined together with a specific mole ratio(1:1:5) to prepare carbon-based adsorbents by hydrothermal synthesis. The carbon based adsorbent was characterized by SEM,TEM and XPS. The optimum pH for Cu(Ⅱ) adsorption was found to be 5. The adsorption efficiency of the imprinted material for Cu(Ⅱ) was up to 97.2%,while the efficiencies were 20.1%,9.63%,20.3%,13.3% for Cd²⁺,Co²⁺,Ni²⁺,Zn²⁺,respectively. The high selectivity indicates that this modified carbon microspheres by the W ion-imprinted method can be used as the selective adsorbent for the removal of copper ions from wastewater.
- ion-imprinted,
- Cu(Ⅱ) adsorption,
- carbon microspheres,
- selectivity adsorption
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