Efficient catalytic ozonation of bisphenol-A over reduced graphene oxide modified sea urchin-like α-MnO2 architectures

被引：93

作者：

Li, Gang ^{[1
,2
]}

Lu, Yongtao ^{[1
]}

Lu, Cheng ^{[3
]}

Zhu, Mingshan ^{[3
]}

Zhai, Chunyang ^{[1
]}

Du, Yukou ^{[1
]}

Yang, Ping ^{[1
]}

机构：

[1] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China

[2] Soochow Univ, Coll Med, Suzhou 215123, Peoples R China

[3] Univ Toronto, Dept Chem, Toronto, ON M5S 3H6, Canada

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2015年 / 294卷

基金：

中国国家自然科学基金;

关键词：

Bisphenol-A; alpha-MnO2; Sea urchin-like nanostructure; Graphene; Heterogeneous catalytic ozonation; AQUEOUS-SOLUTION; WATER; OZONE; DEGRADATION; PERFORMANCE; OXIDATION; NANOTUBE; REMOVAL; CARBON; PHOTOCATALYSTS;

D O I：

10.1016/j.jhazmat.2015.03.045

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Considering the biological deleterious effect of bisphenol-A (BPA) in water to the human beings, great efforts have been made for the elimination of this contaminant from water sources. Herein, we report a novel nanocomposite composed of three-dimensional (3D) sea urchin-like alpha-MnO2 nanoarchitectures and reduced graphene oxide (RGO) for the elimination of BPA in water in the presence of ozone. The synthesis of the as-prepared nanocomposite is facile, and the nanocomposites were well characterized by SEM, TEM, XRD, and Raman spectra. The as-synthesized alpha-MnO2/RGO nanocomposite was found to be a highly efficient catalyst to eliminate BPA from water in the presence of ozone. The intermediates of ozonzation were also detected by gas chromatography-mass spectrometry (GC-MS). Our investigation initiates a new opportunity to explore the high-performance catalysts for the removal of the organic pollutions in water. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：201 / 208

页数：8

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