Abstract
Although dielectric barrier discharge(DBD)in air has been applied to a wider range of aftertreatment processes for HAPs (Hazardous Air Pollutants), due to its high electron density and energy, its potential use as precharging dust partcles in not well known. In this work, we measured size distributions of bimodal aerosol particles and estimated collection efficiency of the particles by an electrostatic precipitator(ESP) using DBD as particle charger. To examine the particle collection with DBD charger, nano size particles of NaCI (20~100 nm)and DOS(50~800 nm) were generated by a tube furnace and an atomizer, respectively. For experimental conditions of 60 Hz, 11kV, and 60 Ipm, the particle collection efficiency for the hybrid system was over 85%, based on the number of particles captured.<br/>
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