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

页码：249 / 254

页数：6

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