Nano and Submicron Sized Particle Collection with Various Voltage Waveforms for Dielectric Barrier Discharge Type 2-Stage ESP

유전체 베리어 방전형 2단 전기집진기의 인가전압 파형별 나노 및 서브마이크론 입자 집진 특성

Dielectric Barrier Discharge (DBD) in air, which has been established for the production of large quantities of ozone, is more recently being applied to a wider range of aftertreatment processes for HAPs (Hazardous Air Pollutants). Although DBD has high electron density and energy, its potential use as precharging nano and submicron particles are not well known. In this work, we measured I-V characteristics of DBD and estimated collection efficiency of the particles by DBD type 2-stage ESP. To examine the particle collection with various applied voltage waveforms of DBD for nano and submicron sized, bimodal particles were generated by a electrical tube furnace and an atomizer.