Synthesis of iron-based nanoparticles using oolong tea extract for the degradation of malachite green

被引：187
|
作者：
Huang, Lanlan [1 ]
Weng, Xiulan [1 ]
Chen, Zuliang [1 ,2 ,3 ]
Megharaj, Mallavarapu [2 ,3 ]
Naidu, Ravendra [2 ,3 ]
机构：
[1] Fujian Normal Univ, Sch Environm Sci & Engn, Fuzhou 350007, Fujian, Peoples R China
[2] Univ S Australia, Ctr Environm Risk Assessment & Remediat, Mawson Lakes, SA 5095, Australia
[3] Cooperat Res Ctr Contaminat Assessment & Remediat, Mawson Lakes, SA 5095, Australia
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2014年 / 117卷
关键词：
Green synthesis; OT-FeNP; Malachite green; Characterization; Degradation; REMOVAL; SILVER;
D O I：
10.1016/j.saa.2013.09.054
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Iron-based nanoparticles (OT-FeNP) were synthesized using oolong tea extracts. Their morphology, structure and size were confirmed by scanning electron microscopy (SEM), X-ray energy-dispersive spectroscopy (EDS), X-ray diffraction (XRD), UV-visible (UV-vis) and Fourier Transform Infrared spectroscopy (FTIR). Formation of FeNP results in mostly spherical particles with diameters ranging from 40 to 50 nm. Degradation of malachite green (MG) using OT-FeNP demonstrated that kinetics fitted well to the pseudo first-order reaction by removing 75.5% of MG (50 mg/L). This indicated that OT-FeNP has the potential to serve as a green nanomaterial for environmental remediation. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：801 / 804
页数：4
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