Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 301, Issue -, Pages 547-553Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhazmat.2015.09.017
Keywords
Airborne virus; Dust loading; Inactivation; Silver nanoparticles
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Funding
- Future-based Technology Development Program (Green Nano Technology Development Program) through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [2010-0029297]
- Korea Ministry of Environment (MOE) as Advanced Technology Program for Environmental Industry
- National Research Foundation of Korea [2010-0029297] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In this study, the effect of dust loading on the anti-viral ability of an anti-viral air filter was investigated. Silver nanoparticles approximately 11 nm in diameter were synthesized via a spark discharge generation system and were used as anti-viral agents coated onto a medium air filter. The pressure drop, filtration efficiency, and anti-viral ability of the filter against aerosolized bacteriophage MS2 virus particles were tested with dust loading. The filtration efficiency and pressure drop increased with dust loading, while the anti-viral ability decreased. Theoretical analysis of anti-viral ability with dust loading was carried out using a mathematical model based on that presented by Joe et al. (J. Hazard. Mater.; 280: 356-363, 2014). Our model can be used to compare anti-viral abilities of various anti-viral agents, determine appropriate coating areal density of anti-viral agent on a filter, and predict the life cycle of an anti-viral filter. (C) 2015 Elsevier B.V. All rights reserved.
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