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Article

Non-commercial Air Purifier—The Effectiveness and Safety

1
Faculty of Energy and Environmental Protection, Department of Air Protection, Silesian University of Technology, 44-100 Gliwice, Poland
2
Faculty of Energy and Environmental Protection, Department of Technologies and Installations for Waste Management, Silesian University of Technology, 44-100 Gliwice, Poland
*
Author to whom correspondence should be addressed.
Buildings 2020, 10(6), 104; https://doi.org/10.3390/buildings10060104
Received: 30 April 2020 / Revised: 25 May 2020 / Accepted: 27 May 2020 / Published: 31 May 2020
(1) Background: On the Internet, we can find the guidelines for homemade air purifiers. One of the solutions includes the use of a low-cost ozone generator to decrease the level of odors and biological contaminants. However, the authors do not notify about hazardous effects of ozone generation on human health; (2) Methods: We elaborated our test results on the bacterial and fungal aerosol reduction by the use of two technical solutions of homemade air purifiers. First, including a mesh filter and ozone generator, second including an ozone generator, mesh filter, and carbon filter. (3) Conclusions: After 20 min of ozone generation, the concentration of bacteria decreased by 78% and 48% without and with a carbon filter, while fungi concentration was reduced in the lower range 63% and 40%, respectively. Based on our test results, we proposed a precise periodical operation of homemade air purifier to maintain the permissible level of ozone for the occupants. View Full-Text
Keywords: IEQ; bioaerosols; airborne bacteria; airborne fungi; ozone; portable air purifier; ozone generation IEQ; bioaerosols; airborne bacteria; airborne fungi; ozone; portable air purifier; ozone generation
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MDPI and ACS Style

Mainka, A.; Mucha, W.; Pastuszka, J.S.; Brągoszewska, E.; Janoszek, A. Non-commercial Air Purifier—The Effectiveness and Safety. Buildings 2020, 10, 104. https://doi.org/10.3390/buildings10060104

AMA Style

Mainka A, Mucha W, Pastuszka JS, Brągoszewska E, Janoszek A. Non-commercial Air Purifier—The Effectiveness and Safety. Buildings. 2020; 10(6):104. https://doi.org/10.3390/buildings10060104

Chicago/Turabian Style

Mainka, Anna, Walter Mucha, Józef S. Pastuszka, Ewa Brągoszewska, and Agnieszka Janoszek. 2020. "Non-commercial Air Purifier—The Effectiveness and Safety" Buildings 10, no. 6: 104. https://doi.org/10.3390/buildings10060104

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