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Collection of submicron particles by an electrostatic precipitator using a dielectric barrier discharge [An article from: Journal of Aerosol Science]
Book Details
PublisherElsevier
ISBN / ASINB000PBZTW8
ISBN-13978B000PBZTW2
AvailabilityAvailable for download now
Sales Rank10,743,802
MarketplaceUnited States 🇺🇸
Description
This digital document is a journal article from Journal of Aerosol Science, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
Although dielectric barrier discharge (DBD) in air has been used to clean hazardous air pollutants (HAPs) because of its high electron density and energy, its potential use as precharging dust aerosol particles is not well known. In this work, we measured the size distributions of bimodal submicron aerosol particles and estimated the collection efficiency of the particles for a hybrid two-stage electrostatic precipitator (ESP) comprised of a DBD charger as the particle charger and an ESP as charged particle collector. Nano-sized particles of NaCl (30-100nm) and DOS (50-800nm) were generated by evaporation-condensation and atomization, respectively. Various electrical and flow conditions were applied on the DBD charger: AC applied voltage of 9-11kV, frequency of 60-120Hz, and air flow rate of 60-180Lmin^-^1 (0.048-0.016s of particle residence time). The particle collection efficiencies increased as the AC applied voltage increased at a fixed frequency-flow rate, whereas the efficiencies decreased as the frequency and flow rate increased at a fixed AC power-flow rate and a fixed AC applied voltage-frequency.
Description:
Although dielectric barrier discharge (DBD) in air has been used to clean hazardous air pollutants (HAPs) because of its high electron density and energy, its potential use as precharging dust aerosol particles is not well known. In this work, we measured the size distributions of bimodal submicron aerosol particles and estimated the collection efficiency of the particles for a hybrid two-stage electrostatic precipitator (ESP) comprised of a DBD charger as the particle charger and an ESP as charged particle collector. Nano-sized particles of NaCl (30-100nm) and DOS (50-800nm) were generated by evaporation-condensation and atomization, respectively. Various electrical and flow conditions were applied on the DBD charger: AC applied voltage of 9-11kV, frequency of 60-120Hz, and air flow rate of 60-180Lmin^-^1 (0.048-0.016s of particle residence time). The particle collection efficiencies increased as the AC applied voltage increased at a fixed frequency-flow rate, whereas the efficiencies decreased as the frequency and flow rate increased at a fixed AC power-flow rate and a fixed AC applied voltage-frequency.
