Selective Separation of Cu(II) from Aqueous Solution with a Novel Cu(II) Surface Magnetic Ion-Imprinted Polymer

被引：78

作者：

Zhan, Youcai ^{[1
]}

Luo, Xubiao ^{[1
,2
]}

Nie, Shanshan ^{[1
]}

Huang, Yining ^{[1
]}

Tu, Xinman ^{[1
,2
]}

Luo, Shenglian ^{[1
,2
]}

机构：

[1] Key Lab Jiangxi Prov Ecol Diagnosis Remediat & Po, Nanchang 330063, Peoples R China

[2] Nanchang Hangkong Univ, Coll Environm & Chem Engn, Nanchang 330063, Peoples R China

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2011年 / 50卷 / 10期

基金：

中国国家自然科学基金;

关键词：

SOLID-PHASE EXTRACTION; CARBON NANOTUBES; METAL-IONS; ADSORPTION; REMOVAL; SORPTION; COPPER; PARTICLES; COMPOSITE; BEADS;

D O I：

10.1021/ie102177e

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A novel Cu(II) magnetic ion-imprinted polymer (MIIP) was prepared via the sol gel method. The Cu(II)-MIIP exhibited good magnetic property and thermal stability. The binding characteristics of Cu(II)-MIIP were studied by adopting both static and dynamic adsorption experiments. The maximum adsorptions calculated from the Langmuir isotherm are 58.20 and 23.10 mg/g for Cu(II)-MIIP and magnetic nonimprinted polymer (MNIP), respectively. The kinetics studies showed that the adsorption process obeyed a pseudo-second-order kinetic model. The selectivity coefficients of the Cu(II)-MIIP for Cu(II) in the presence of Zn(II) and Ni(II) are 49.44 and 50.38, respectively. The relative selectivity coefficients of Cu(II)-MIIP for Cu(II)/Zn(II) and Cu (II)/Ni(II) are 12.36 and 8.73, respectively. Moreover, Cu(II)-MIIP could be used five times without obvious deterioration in their adsorption capacities.

引用

页码：6355 / 6361

页数：7

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