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挥发性有机物低温等离子体降解的影响参数研究 预览 被引量:8

Parameters for the decomposition of VOCs with cold plasma
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摘要 作为一类重要的有机污染物,挥发性有机物的危害已引起了世界各国的广泛关注。以挥发性有机物代表物质苯为研究对象,考察了多种实验参数对苯降解特性的影响。在高频电源条件下,对于施加电压、电源频率及反应器参数(包括管径、有效长度、电极材料和电极直径)与苯去除率的关系进行了研究。结果表明,高施加电压、高电源频率有利于苯的降解。管径较小、有效长度较长、内电极直径较大、内电极材料为钨的反应器对于苯的去除效果明显。反应器参数与电源的匹配问题对于提高污染物去除率及节能降耗方面十分重要。 As a kind of important organic pollutant, volatile organic compounds have got the worldwide attentions. As representative volatile organic compounds, benzene was chosen as aim pollutants to be destructed. Parameters for the decomposition of benzene with cold plasma were investigated in the paper. Under the condition of high-frequency discharge, the relationship between benzene abatement efficiency and applied voltage, frequency, reactor parameters was discussed. The experimental results showed that higher applied voltage and higher frequency were benefit for the abatement of benzene. Under the same conditions, the reactor of smaller diameter, longer effective length, larger inner electrode diameter, tungsten inner electrode were superior to destroy benzene molecules. It was very important for the matching between power supply and reactor.
作者 梁文俊 李坚 李依丽 李洁 金毓峑 Liang Wenjun Li Jian Li Yili Li Jie Jin Yuquan (College of Environmental & Energy Engineering, Beijing University of Technology, Beijing 100124,China)
出处 《环境工程学报》 CAS CSCD 北大核心 2009年第6期 1079-1083,共5页 Techniques and Equipment for Environmental Pollution Control
基金 北京工业大学校青年科研基金(X1005013200802) 北京工业大学博士启动基金(52005013200703)
关键词 低温等离子体 挥发性有机物 高频 cold plasma VOCs high frequency benzene
作者简介 梁文俊(1978-),男,博士,讲师,研究方向为大气污染控制。E-mail:liangwenj@bjut.edu.cn
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