Particle and Aerosol Research
Vol. 14, No. 3, September 2018, Pages 73-80
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ISSN : 1738-8716 (Print)
ISSN : 2287-8130 (Online)
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Collection Efficiency of a Mist Eliminator for Wet Flue Gas Desulfurization
Mon-Won Kim1), Se-Jin Yook1),2) *, Tae U Yu1)
1)Department of Convergence Defense, Hanyang University,
2)School of Mechanical Engineering, Hanyang University,
3)Institute of Engineering Research, Yonsei University
*Corresponding author.
Tel.: +82-2-2220-0422, E-mail: ysjnuri@hanyang.ac.kr
Received 07 September 2018, Revised 20 September 2018, Accepted 21 September 2018, Available online 30 September 2018
http://dx.doi.org/10.11629/jpaar.2018.14.3.073
Abstracts
Recently, there has been much research on the effect of ultrafine dust on human body with increasing interest in the ultrafine dust. In the Republic of Korea, there are many old thermal power plants, and the amount of ultrafine dust emitted from the thermal power plants is reported to be about 14% of the total amount of domestic fine dust. Therefore, the amount of fine dust from the flue gas desulfurization facility in the thermal power plant needs be reduced. In this study, we made an experimental setup to simulate a flue gas desulfurization facility and analyzed the physical characteristics of the particles passing through a mist eliminator. Experiments were carried out to investigate the collection efficiency of the mist eliminator by using the Arizona Test Dust in a dry environment, and then spraying limestone slurry into the flue gas desulfurization system equipped with the mist eliminator to examine the size and morphology of limestone particles upstream and downstream of the mist eliminator. Cut-off size of the mist eliminator was formed at about 6 ¥ìm. The result of this study is expected to be helpful for designing an electrostatic precipitator for removing particles passing through the mist eliminator.
Keywords
Mist eliminator, Collection efficiency, Flue gas desulfurization
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