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http://dx.doi.org/10.3795/KSME-B.2003.27.4.524

Nano Particle Precipitation and Residual Ozone Decomposition of a Hybrid Air Cleaning System Comprising Dielectric Barrier Discharge Plasma and MnO2 Catalyst or Activated Carbon  

Byeon, Jeong-Hoon (연세대학교 대학원 기계공학과)
Hwang, Jung-Ho (연세대학교 기계공학과)
Ji, Jun-Ho (연세대학교 대학원 기계공학과)
Kang, Suk-Hoon (연세대학교 대학원 기계공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.27, no.4, 2003 , pp. 524-533 More about this Journal
Abstract
DBD(Dielectric Barrier Discharge) plasma in air is well established for the production of large quantities of ozone and is more recently being applied to aftertreatment processes for HAPs(Hazardous Air Pollutants). Aim of this work is to determine design and operating parameters of a hybrid air cleaning system. DBD and ESP(Electrostatic Precipitator) are used as nano particle charger and collector, respectively. Pelletized MnO$_2$ catalyst or activated carbon is used fer ozone decomposition or adsorption material. AC voltage of 7～10 KV(rms) and 60 Hz is used as DBD plasma source. DC - 8 KV is applied to the ESP for particle collection. The overall particle collection efficiency for the hybrid system is over 85 % under 0.64 m/s face velocity. Ozone decomposition efficiency with pelletized MnO$_2$ catalyst or activated carbon packed bed is over 90 % when the face velocity is under 0.4 m/s in dry air.
Keywords
Dielectric Barrier Discharge; Nano Particle; Particle Precipitation; Ozone Decomposition; Air Cleaning;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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