Decomposition of Naphthalene by dc Gliding Arc Gas Discharge

被引：123

作者：

Yu, Liang ^{[1
]}

Li, Xiaodong ^{[1
]}

Tu, Xin ^{[2
]}

Wang, Yu ^{[1
]}

Lu, Shengyong ^{[1
]}

Yan, Jianhua ^{[1
]}

机构：

[1] Zhejiang Univ, Inst Thermal Power Engn, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R China

[2] Katholieke Univ Leuven, Ctr Surface Chem & Catalysis, B-3001 Heverlee, Belgium

来源：

JOURNAL OF PHYSICAL CHEMISTRY A | 2010年 / 114卷 / 01期

基金：

国家高技术研究发展计划(863计划);

关键词：

POLYCYCLIC AROMATIC-HYDROCARBONS; VOLATILE ORGANIC-COMPOUNDS; NONTHERMAL PLASMA; SIMULTANEOUS REMOVAL; DESTRUCTION; WATER; DEGRADATION; BENZENE; ENHANCEMENT; MECHANISMS;

D O I：

10.1021/jp905082s

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：

Gliding arc discharge has been proved to be effective in treatment of gas and liquid contaminants. In this study, physical characteristics of dc gliding are discharge and its application to naphthalene destruction are investigated with different external resistances and carrier gases. The decomposition rate increases with increasing of oxygen concentration and decreases with external resistance. This value can be achieved up to 92.3% at the external resistance of 50 k Omega in the oxygen discharge, while the highest destruction energy efficiency reaches 3.6 g (kW h)(-1) with the external resistance of 93 k Omega. Possible reaction pathways and degradation mechanisms in the plasma with different gases are proposed by qualitative analysis of postdestructed products. In the air and oxygen gliding arc discharges, the naphthalene degradation is mainly governed by reactions with oxygen-derived radicals.

引用

页码：360 / 368

页数：9

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