Pulsed power corona discharges for air pollution control

被引:81
作者
Smulders, EHWM
van Heesch, BEJM
van Paasen, SSVB
机构
[1] Eindhoven Univ Technol, High Voltage & EMC Grp, NL-5600 MB Eindhoven, Netherlands
[2] Eindhoven Univ Technol, Proc Technol Grp, NL-5600 MB Eindhoven, Netherlands
关键词
air pollution control; apparent activation energy; butane; charge-coupled device camera; E-field sensors; electromagnetic compatibility; ethylene; high-voltage; industrial applications; NO; pentane; pilot unit; pulsed corona; pulsed power; pulse source; reliability; streamers; styrene; toluene; transfer impedance; trichloroethane; volatile organic compounds; waste water;
D O I
10.1109/27.736042
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
Successful introduction of pulsed corona for industrial purposes very much depends on the reliability of high-voltage and pulsed power technology and on the efficiency of energy transfer. In addition, it is of the utmost importance that adequate electromagnetic compatibility (EMC) is achieved between the high-voltage pulse source and the surrounding equipment. Pulsed corona is generated in a pilot unit that produces narrow 50 MW: pulses at 1000 pps (net average corona power 1.5 kW). The pilot unit can run continuously for use in industrial applications such as cleaning of gases (100 m(3)/h) containing NO or volatile organic compounds (VOC's) or fluids (e.g., waste water). Simultaneous removal of NO and ethylene to obtain clean CO2 from the exhaust of a combustion engine was tested at an industrial site. Various chemical processes, such as removal of toluene or styrene from an airflow are tested in the laboratory. We developed a model to analyze the conversion of these pollutants. To examine the discharges in the reactor me use current, voltage, and E-field sensors as well as a fast charge-coupled device (CCD) camera. Detailed energy input measurements are compared with CCD movies to investigate the efficiency of different streamer phases. EMC techniques incorporated in the pilot unit are based on the successful concept of constructing a low transfer impedance between common mode currents induced by pulsed power and differential mode voltages in signal lines and external main lines.
引用
收藏
页码:1476 / 1484
页数:9
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