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지하철 역사 내 코로나 바이러스 저감을 위한 이온풍 집진기 개발

Development of an ionic wind dust collector towards coronavirus reduction in subway stations

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초록

Since 2019, the corona virus has been continuously affect human life. In particular, in the indoor space where people live, infection by airborne transmission of viruses is a problem. Among them, the spread in the subway, which is the main mode of transport for humans, can be serious. To solve this problem, our research team developed an ionic wind collector to collect and remove corona virus using an ionic wind collector and ozone. In order to apply the ionic wind collector to the subway, it must operate in two modes. Because large amounts of ozone are harmful to the human body. There is a mode that collects bio-aerosol from the air using ionic wind and a mode that inactivates viruses floating in the air by generating a large amount of ozone. As the applied voltage increased, the cleaning ability of the ionic wind collector increased, and the farther the distance between the discharge electrode and the ground plate, the higher the cleaning ability even at low current. In addition, clean air delivery rate (CADR) of an ionic wind collector was up to 5.5 m3/min. As a result of measuring the amount of ozone generated, it was confirmed that 50 ppb to 250 ppb was generated, and it was confirmed that ozone generation was controllable in the ionic wind dust collector.

Abstract

Since 2019, the corona virus has been continuously affect human life. In particular, in the indoor space where people live, infection by airborne transmission of viruses is a problem. Among them, the spread in the subway, which is the main mode of transport for humans, can be serious. To solve this problem, our research team developed an ionic wind collector to collect and remove corona virus using an ionic wind collector and ozone. In order to apply the ionic wind collector to the subway, it must operate in two modes. Because large amounts of ozone are harmful to the human body. There is a mode that collects bio-aerosol from the air using ionic wind and a mode that inactivates viruses floating in the air by generating a large amount of ozone. As the applied voltage increased, the cleaning ability of the ionic wind collector increased, and the farther the distance between the discharge electrode and the ground plate, the higher the cleaning ability even at low current. In addition, clean air delivery rate (CADR) of an ionic wind collector was up to 5.5 m3/min. As a result of measuring the amount of ozone generated, it was confirmed that 50 ppb to 250 ppb was generated, and it was confirmed that ozone generation was controllable in the ionic wind dust collector.

참고문헌 (13)

  1. Anderson, E. L., "Consideration of the Aerosol Transmission for COVID-19 and Public Health", Risk Analysis, 40(5), pp.902~907 (2020)
  2. Blanchard, E. L., "Enveloped Virus Inactivation on Personal Protective Equipment by Exposure to Ozone", medRxiv : the preprint server for health sciences, pp.20111435~ (2020)
  3. Centers for Disease Control and Prevention, "How COVID-19 Spreads", ~ (2020)
  4. Chia, P. Y., "Detection of air and surface contamination by SARS-CoV-2 in hospital rooms of infected patients", Nature Communications, 11, pp.2800~ (2020)
  5. Guo, Z. D., "Aerosol and Surface Distribution of Severe Acute Respiratory Syndrome Coronavirus 2 in Hospital Wards, Wuhan, China, 2020", Emerging infectious diseases, 26(7), pp.1583~1591 (2020)
  6. Hudson, J. B., "Development of a Practical Method for Using Ozone Gas as a Virus Decontaminating Agent", The Journal of the International Ozone Association, 31(3), pp.216~223 (2009)
  7. Lee, B. U., "Minimum Sizes of Respiratory Particles Carrying SARS-CoV-2 and the Possibility of Aerosol Generation", International journal of environmental research and public health, 17(19), pp.6960~ (2020)
  8. Liu, Y., "Aerodynamic analysis of SARS-CoV-2 in two Wuhan hospitals", Nature, 582, pp.557~560 (2020)
  9. Morawska, L., "Airborne transmission of SARS-CoV-2 : The world should face the reality", Environment International, 139, pp.105730~ (2020)
  10. Setti, L., "Airborne Transmission Route of COVID-19 : Why 2 Meters", 6 Feet of Inter-Personal Distance Could Not Be Enough, 2020, pp.17(8), 2932~
  11. Tizaoui, C., "Ozone : A Potential Oxidant for COVID-19 Virus(SARS-CoV-2)", Ozone : Science & Engineering, 42(5), pp.378~385 (2020)
  12. Valdenassi, L., "Potential mechanisms by which the oxygen-ozone(O2-O3)therapy could contribute to the treatment against the coronavirus COVID-19", European Review for Medical and Pharmacological Sciences, 24(8), pp.4059~4061 (2020)
  13. Wilson, J., "An Investigation of Ionic Wind Propulsion", Part. Aerosol Res, 18(1) (2009)

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