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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Effective Removal of Air Pollutions by the Electrical Discharge
Author(s)
Tai-Young Kim and Jong-Bae Baek
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DOI:10.17265/2162-5298/2017.11.001
Affiliation(s)
Department of Safety Engineering, Korea National University of Transportation, Chungju-si 27469, Republic of Korea
ABSTRACT
The objectives of this study were to understand the effects of different electrical
and reactor’s parameters on the
removal efficiency of air pollution and to optimize the parameters to achieve
the highest removal efficiency. The surface discharge
was applied to dielectric barrier
discharge reactors and the voltage, current,
frequency and the electrode shape were employed to the reactor as main variables. In
general, it has been known that the
removal efficiency is decided by the applied power, which is calculated by
multiplication of the applied voltage and current. However, the removal
efficiency was significantly changed by the composition ratio
of the applied voltage and current even though the experimental conditions were not changed with the
same applied power. It means that the removal effectiveness should be affected not by the discharge power but by the applied
voltage and current separately. From the experimental and statistical analysis,
the discharge current was the most important
factor to control the removal efficiency regardless of different types of the reactors and the frequency is not the direct function to control the removal rate.
KEYWORDS
Dielectric barrier
discharge, surface discharge, non-thermal plasma, air pollution, NOx (Nitrogen Oxides).
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