非平稳态等离子体降解流动态低浓度甲苯气体的研究  

Degradation of Flowing Low-density Gaseous Toluene by Non-Equilibrium Plasma

作　　者：郑光云[1] 侯健[1] 蒋洁敏[1] 刘先年[1] 侯惠奇[1] 

机构地区：[1]复旦大学环境科学研究所,上海200433

出　　处：《复旦学报（自然科学版）》2001年第4期364-367,共4页Journal of Fudan University：Natural Science

基　　金：上海市环境保护科学技术发展基金资助项目 (沪环科 98 0 16 )

摘　　要：利用介质阻挡放电产生的非平衡态等离子体对常压下流动态含甲苯的空气进行处理 ,研究了流量和极间电压对降解甲苯的影响 .当电压达到 72 0 0V时甲苯降解率最高达 10 0 % ,产物为CO2 ,CO和H2 O ,此时产生的CO2 也最多 ;随着流量的提高其降解率呈下降趋势 ,并且产物中CO2 与CO的比也下降 .Non equilibrium plasma, being engendered by DBD(Dielectric Barrier Discharge), was used to disposed flowing polluted air containing toluene vapor in atmospheric pressure. It involved how the runoff and voltage influenced the final removal efficiency. The maximal removing efficiency could attain 100% and the production of CO 2 was also maximal when the voltage reached 7 200 V. The products could be detected were CO 2, CO and H 2O. The removing efficiency and ratio of CO 2 to CO decreased when the runoff increased. The results would be useful for it's further industrial application.

关 键 词：非平衡态等离子体 甲苯 降解率 废气治理 有机污染物 流量 极间电压 

分 类 号：X701.7[环境科学与工程—环境工程]