期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 168, 期 1, 页码 215-219出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2009.02.020
关键词
TiO2-Cu2O; Photocatalysis; Degradation of DBS; Visible light
资金
- NSFC [20673055]
- MSTC [2005CB221400]
- Jiangsu Province, China [BG2006031]
A series of TiO2-Cu2O mixed oxides were prepared by the hydrolysis of titanium butoxide and reduction of copper acetate with hydrazine. These composite oxides were characterized by X-ray diffraction (XRD), inductively coupled plasma spectrometry (ICP), high-resolution transmission electron microscopy (HRTEM), N-2 adsorption and UV-vis techniques. Photocatalytic degradation of dodecyl-benzenesulfonate (DBS) under visible irradiation was performed, and effects of composition of catalysts and reaction conditions were studied. It was observed that TiO2-Cu2O composite oxides exhibited better photocatalytic activity than Cu2O or TiO2 alone. Among these composite oxides, the 5%TiO2-Cu2O displayed the highest activity, and the degradation percentage of DBS and COD reached 97.3% and 65%, respectively. In addition, it was found that the decomposition of DBS followed the first-order kinetics and the adsorption of DBS followed the Langmuir model. Oxygen in solution played a vital role in the elimination of COD. (C) 2009 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据