Sonophotocatalytic activity of methyl orange over Fe(III)/TiO2

被引：25
|
作者：
Wantala, Kitirote [1 ]
Tipayarom, Danutawat [3 ]
Laokiat, Laksana [3 ]
Grisdanurak, Nurak [1 ,2 ]
机构：
[1] Thammasat Univ, Fac Engn, Dept Chem Engn, Pathum Thani 12120, Thailand
[2] Thammasat Univ, Natl Ctr Excellence Environm & Hazardous Waste Ma, Pathum Thani 12120, Thailand
[3] Chulalongkorn Univ, Natl Ctr Excellence Environm & Hazardous Waste Ma, Bangkok 10140, Thailand
来源：
REACTION KINETICS AND CATALYSIS LETTERS | 2009年 / 97卷 / 02期
关键词：
Fe3+-doped; Photocatalysis; Sonophotocatalysis; Methyl orange; PHOTOCATALYTIC ACTIVITY; AQUEOUS-SOLUTIONS; DEGRADATION; TIO2; CATALYSTS; SIZE;
D O I：
10.1007/s11144-009-0045-x
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
TiO2 doped with Fe3+ was prepared by an impregnation technique and its sonophotocatalytic activity over methyl orange (MO) was investigated. The Fe/TiO2 surface presented red shift to longer wavelength, resulting in a lower energy band gap. Fe loading of 0.1 wt% on TiO2 provided the optimum degradation. The MO degradation rate constant under sonophotocatalytic conditions was 2.5 times higher than under photocatalytic conditions.
引用
收藏
页码：249 / 254
页数：6
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