Removal of toxic metal ions with magnetic hydrogels

被引：356

作者：

Ozay, Ozgur ^{[1
]}

Ekici, Sema ^{[1
]}

Baran, Yakup ^{[1
]}

Aktas, Nahit ^{[2
]}

Sahiner, Nurettin ^{[1
]}

机构：

[1] Canakkale Onsekiz Mart Univ, Fac Sci & Arts, Dept Chem, Nanomat & Nanotechnol Res Lab, TR-17020 Canakkale, Turkey

[2] Yuzuncu Yil Univ, Fac Engn & Architecture, Dept Chem Engn, TR-65080 Van, Turkey

来源：

WATER RESEARCH | 2009年 / 43卷 / 17期

关键词：

Remediation; Magnetic; Composite; Functional hydrogel; Pollution; AQUEOUS-SOLUTION; POLYMER NETWORKS; LEAD IONS; ADSORPTION; ACID; NANOCOMPOSITES; NANOPARTICLES; MICROSPHERES; COPPER; IRRADIATION;

D O I：

10.1016/j.watres.2009.06.058

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Hydrogels, based on 2-acrylamido-2-methyl-1-propansulfonic acid (AMPS) were synthesized via photopolymerization technique and used for the preparation of magnetic responsive composite hydrogels. These composite hydrogels with magnetic properties were further utilized for the removal of toxic metal ions such as Cd(II), Co(II), Fe(II), Pb(II), Ni(II), Cu(II) and Cr(III) from aqueous environments. It was revealed that hydrogel networks with magnetic properties can effectively be utilized in the removal of pollutants. The results verified that magnetic iron particle containing p(AMPS) hydrogel networks provide advantageous over conventional techniques. Langmuir and Freundlich adsorption isotherms were applied for toxic metal removal and both isotherms were fit reasonably well for the metal ion absorptions. (c) 2009 Elsevier Ltd. All rights reserved.

引用

页码：4403 / 4411

页数：9

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