From chemical kinetics to streamer corona reactor and voltage pulse generator

被引：132

作者：

Yan, K ^{[1
]}

van Heesch, EJM ^{[1
]}

Pemen, AJM ^{[1
]}

Huijbrechts, PAHJ ^{[1
]}

机构：

[1] Eindhoven Univ Technol, High Voltage & EMC Grp, NL-5600 MB Eindhoven, Netherlands

来源：

PLASMA CHEMISTRY AND PLASMA PROCESSING | 2001年 / 21卷 / 01期

关键词：

chemical kinetics; corona; voltage pulse generator; nonthermal plasma; VOC(s); decomposition; NO(x) removal; corona reactor;

D O I：

10.1023/A:1007045529652

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This paper discusses the global chemical kinetics of corona plasma-induced chemical reactions for pollution control. If there are no significant radical termination reactions, the pollution removal linearly depends on the corona energy density and/ or the energy yield is a constant. If linear radical termination reactions play a dominant role, the removal rate shows experimental functions in terms of the corona energy density If the radical concentration is significantly affected by nonlinear termination reactions, the removal rate depends on the square root of the corona energy density. These characteristics are also discussed with examples of VOC(s) and NO(x) removal and multiple processing. Moreover, this paper also discusses how to match a corona plasma reactor with a voltage pulse generator in order to increase the total energy efficiency. For a given corona reactor, a minimum peak voltage is found for matching a voltage pulse generator. Optimized relationship between the voltage rise rime, the output impedance of a voltage pulse generator, and the stray capacitance of a corona reactor is presented. As an example, the paper discusses a 5.0-kW hybrid corona nonthermal plasma system for NO(x) removal from exhaust gases.

引用

页码：107 / 137

页数：31

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