Combination of photocatalysis downstream the non-thermal plasma reactor for oxidation of gas-phase toluene

被引：73

作者：

Huang, Haibao ^{[1
,2
]}

Ye, Daiqi ^{[1
]}

机构：

[1] S China Univ Technol, Coll Environm Sci & Engn, Guangzhou 510006, Guangdong, Peoples R China

[2] Tsinghua Univ, Grad Sch, Res Ctr Environm Engn & Management, Shenzhen 518055, Peoples R China

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2009年 / 171卷 / 1-3期

基金：

中国国家自然科学基金;

关键词：

Photocatalysis; Non-thermal plasma; Post-plasma; Toluene; VOLATILE ORGANIC-COMPOUNDS; DISCHARGE PLASMA; OXIDE CATALYSTS; GASEOUS TOLUENE; DECOMPOSITION; BENZENE; REMOVAL; AIR; ABATEMENT; TIO2;

D O I：

10.1016/j.jhazmat.2009.06.033

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Ozone is an undesirable byproduct of non-thermal plasma (NTP) for volatile organic compounds (VOCs) control. Photocatalysis combined downstream the NTP reactor and ozone was utilized to oxidize toluene. The multiple synergies Of O-3/UV/TiO2 system and the mechanism of toluene decomposition were investigated. The influence factors such as energy density, humidity and UV sources were also intensively studied. The combination of photocatalysis in the post-plasma increased the conversion of toluene and ozone to almost 80 and 90%, respectively. Water vapor played a dual role in toluene destruction and ozone removal. In total, 0.75% humidity had the best conversion of toluene and ozone at these experimental conditions. The conversion of toluene enhanced with increasing ozone removal. Among the multiple oxidation processes in the O-3/UV/TiO2 system, the O-3/TiO2 process played a key role in the decomposition of toluene. (C) 2009 Elsevier B.V. All rights reserved

引用

页码：535 / 541

页数：7

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