| 低温等离子体分解脱除NO影响因素研究 |
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| 引用本文： | 王川,唐晓龙,易红宏,李凯,陈晨,向瑛.低温等离子体分解脱除NO影响因素研究[J].环境科学学报,2013,33(10):2694-2698. |
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| 作者姓名： | 王川 唐晓龙 易红宏 李凯 陈晨 向瑛 |
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| 作者单位： | 昆明理工大学环境科学与工程学院, 昆明 650500;1. 昆明理工大学环境科学与工程学院, 昆明 650500;2. 北京科技大学土木与环境工程学院, 北京 100083;1. 昆明理工大学环境科学与工程学院, 昆明 650500;2. 北京科技大学土木与环境工程学院, 北京 100083;昆明理工大学环境科学与工程学院, 昆明 650500;昆明理工大学环境科学与工程学院, 昆明 650500;昆明理工大学环境科学与工程学院, 昆明 650500 |
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| 基金项目： | 国家自然科学基金(No.20907018,21177051);教育部博士点新教师基金(No.20095314120008) |
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| 摘 要： | 为优化低温等离子体反应器设计、提高NO分解率,在低放电电压下通过改变介质阻挡放电参数(放电电压、介质材料、放电间隙等)考察其对分解NO的影响.研究结果表明:在低电压范围条件下(≤6.5 kV),放电电压对提高NO分解率的效果是非线性的,其影响随电压的升高而减弱;选择介电常数较大的介质材料更易获得较高的分解率;当反应器其它特征参数确定后,放电间隙并非越小越好,而是存在一个最佳值;实际应用中,应选用二次电子发射系数较大的电极材料;NTP反应器中加入填充材料不仅具有吸附和存储性能,还具有介质阻挡放电的功能,选择适合的填充材料能更大程度地提高能量利用率,提高NO分解率.
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| 关 键 词： | 低温等离子体 介质阻挡放电 分解NO 影响因素 填充材料 |
| 收稿时间： | 2012/11/1 0:00:00 |
| 修稿时间： | 2013/4/26 0:00:00 |
Factors influencing the NO decomposition by non-thermal plasma |
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| WANG Chuan,TANG Xiaolong,YI Honghong,LI Kai,CHEN Chen and XIANG Ying.Factors influencing the NO decomposition by non-thermal plasma[J].Acta Scientiae Circumstantiae,2013,33(10):2694-2698. |
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| Authors: | WANG Chuan TANG Xiaolong YI Honghong LI Kai CHEN Chen and XIANG Ying |
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| Institution: | College of Environmental Science and Engineering, Kunming University of Science & Technology, Kunming 650500;1. College of Environmental Science and Engineering, Kunming University of Science & Technology, Kunming 650500;2. Civil and Environment Engineering school, University of Science & Technology Beijing, Beijing 100083;1. College of Environmental Science and Engineering, Kunming University of Science & Technology, Kunming 650500;2. Civil and Environment Engineering school, University of Science & Technology Beijing, Beijing 100083;College of Environmental Science and Engineering, Kunming University of Science & Technology, Kunming 650500;College of Environmental Science and Engineering, Kunming University of Science & Technology, Kunming 650500;College of Environmental Science and Engineering, Kunming University of Science & Technology, Kunming 650500 |
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| Abstract: | In order to optimize the structure of dielectric barrier discharge reactor and to improve discharging efficiency, the influencing factors, e.g. peak discharge voltage, the dielectric material and discharge gap, on decomposition of NO are investigated. Results show that the impact of input voltage is nonlinear with NO decomposition ratio under low voltage conditions. NO decomposition ratio increases with the increase of dielectric constant and secondary emission coefficient. Under given conditions, the optimal NO decomposition ratio can be obtained through the optimization of the discharge gap. Therefore, the filling material not only has the function of adsorption and storage, but also improves discharging intensity. Energy utilization efficiency can be greatly improved by adopting appropriate filling material. |
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| Keywords: | non-thermal plasma dielectric barrier discharge decompose NO influence factors filling material |
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