A high surface area superparamagnetic mesoporous spinel ferrite synthesized by a template-free approach and its adsorptive property

被引：80

作者：

Gao, Zhe ^{[1
]}

Cui, Fangming ^{[1
]}

Zeng, Shaozong ^{[1
]}

Guo, Limin ^{[1
]}

Shi, Jianlin ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2010年 / 132卷 / 1-2期

关键词：

Adsorption; Mesoporous materials; Superparamagnetic; Spinel; NANOCOMPOSITE; OXIDES; DRUG; FABRICATION; COPOLYMER; CATALYSTS; DESIGN;

D O I：

10.1016/j.micromeso.2010.02.019

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Magnetic mesoporous spinel NiFe2O4 of high surface area (up to 301.6 m(2) g(-1)) and well-defined pore size distribution maximized at 2.5-16.2 nm has been synthesized by a facile oxalate decomposition process from corresponding single-phase multi-component precursor without using any pore-generating template. XRD, DSC-TG, SEM, EDS, TEM. VSM and N-2 sorption isotherm techniques were employed to characterize the precursor and resulting composites. The mesoporous material showed good adsorptive property for acid orange 7 (AO7) and can be used as a magnetically separatable adsorbent to treat AO7 contained wastewater. AO7 adsorbed on the adsorbent can be facilely removed by thermal decomposition and the synthesized mesoporous NiFe2O4 can be easily recycled with maintained adsorption property. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：188 / 195

页数：8

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