Sonocatalytic removal of an organic dye using TiO2/Montmorillonite nanocomposite

被引：158

作者：

Khataee, Alireza ^{[1
]}

Sheydaei, Mohsen ^{[1
]}

Hassani, Aydin ^{[2
,3
]}

Taseidifar, Mojtaba ^{[1
]}

Karaca, Semra ^{[2
]}

机构：

[1] Univ Tabriz, Fac Chem, Dept Appl Chem, Res Lab Adv Water & Wastewater Treatment Proc, Tabriz 5166614766, Iran

[2] Ataturk Univ, Dept Chem, Fac Sci, TR-25240 Erzurum, Turkey

[3] Univ Bologna, Dept Chem G Ciamician, Photochem Nanosci Lab, I-40126 Bologna, Italy

来源：

ULTRASONICS SONOCHEMISTRY | 2015年 / 22卷

关键词：

Sonocatalytic degradation; Sonolysis; Modified nanoclay; Cationic dyes; Wastewater treatment; ACID RED-B; AQUEOUS-SOLUTION; AZO DYES; RHODAMINE-B; DEGRADATION; OPTIMIZATION; PERFORMANCE; CATALYST; BEHAVIOR; CARBON;

D O I：

10.1016/j.ultsonch.2014.07.002

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The sonocatalytic performance of the synthesized TiO2/Montmorillonite K10 (TiO2/MMT) nanocomposite was studied in removal of Basic Blue 3 (BB3) from water. The TiO2/MMT nanocomposite was prepared by hydrothermal method. Scanning electron microscope, X-ray diffraction and Fourier transform infrared were used to characterize the synthesized nanocomposite. The average size of TiO2 nanoparticles decreased from 60-80 nm to 40-60 nm through the immobilization of this semiconductor on the surface of MMT. The obtained results indicated that the sonocatalytic activity of TiO2/MMT nanocomposite was higher than that of pure TiO2 nanoparticles and MMT particles. Furthermore, the main influence factors on the sonocatalytic activity such as the BB3 concentration, pH of solution, TiO2/MMT dose, power of ultrasonic generator, and inorganic salts were studied. The intermediates of BB3 degradation during the sonocatalytic process in the presence of the TiO2/MMT nanocomposite have been monitored by gas chromatography-mass spectrometry. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：404 / 411

页数：8

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