Effect of Lamp Power and Its Position on Photocatalytic Degradation of Phenol in Aqueous Suspension of TiO2

被引：5
|
作者：
Naeem, Kashif [1 ]
Ouyang, Feng [1 ]
机构：
[1] Harbin Inst Technol, Environm Sci & Engn Res Ctr, Shenzhen Grad Sch, Shenzhen 518055, Peoples R China
来源：
E-JOURNAL OF SURFACE SCIENCE AND NANOTECHNOLOGY | 2009年 / 7卷
关键词：
Phenol; Catalysis; Degradation; Titanium dioxide; UV lamp;
D O I：
10.1380/ejssnt.2009.804
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The photocatalytic degradation of phenol under irradiation with UV light was investigated in aqueous suspension of nano titanium dioxide (TiO2). The effects of photocatalyst such as TiO2 (anatase) and TiO2-P25 and power of UV-lamp along with position on the photocatalytic degradation of phenol have been studied. The degradation kinetics was analyzed by the change in phenol absorbance employing UV-vis spectrometry as a function of irradiation time. The degradation follows first order kinetics. TiO2-P25 was found to be more reactive than TiO2 (anatase) which is attributed to small crystalline size. Horizontal position of the lamp was found to be better than vertical position of lamp. The degradation was also enhanced with increased in power of UV lamp.
引用
收藏
页码：804 / 807
页数：4
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