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http://dx.doi.org/10.11629/jpaar.2019.15.4.173

Evaluation of anti-viral efficiency of TiO2 coated air filter for airborn virus  

Park, Geunyoung (Department of Mechanical Engineering, Yonsei University)
Park, Sungjae (Department of Mechanical Engineering, Yonsei University)
Koo, Hyun-Bon (Korea Institute of Civil Engineering and Building Technology (KICT))
Kim, Seongjun (Korea Institute of Civil Engineering and Building Technology (KICT))
Hwang, Jungho (Department of Mechanical Engineering, Yonsei University)
Publication Information
Particle and aerosol research / v.15, no.4, 2019 , pp. 173-182 More about this Journal
Abstract
Since airborne viruses have been known to aggravate indoor air quality, studies on the development of anti-viral air filter increase recently. In this study, the pressure drop and anti-viral efficiency of TiO2 coated ceramic ball filter were evaluated. After the filter being inserted into a commercial room air cleaner, chamber test with aerosolized bacteriophage MS2 was performed. The porosity of TiO2 coated ceramic ball filter was 0.85, and pressure drop was about 13 Pa for 1 m/s of air velocity. The anti-viral efficiency was about 93% when the reaction time was 25 minutes in a 1 ㎥ chamber.
Keywords
airborne viruses; $TiO_2$; air filter; pressure drop; anti-viral efficiency;
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