Journal
ENVIRONMENTAL TECHNOLOGY
Volume 44, Issue 16, Pages 2490-2502Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09593330.2022.2034981
Keywords
Coronavirus; SARS-CoV-2; bacteria; virus inactivation; ozonation
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COVID-19 is a global health threat that spreads primarily through respiratory droplets and contact with aerosol-infected surfaces. The virus has also been detected in aqueous matrices, and ozone treatment shows promising results in inactivating viruses and bacteria, ensuring water safety and protecting human health from exposure.
COVID-19 is a global health threat with a large number of confirmed cases and deaths worldwide. Person-to-person transmission through respiratory droplets and contact with aerosol-infected surfaces are the main ways in which the virus spreads. However, according to the updated literature, the new coronavirus (SARS-CoV-2) has also been detected in aqueous matrices, with the main route of transmission being feces and masks from patients diagnosed with the disease. Given the emergence of public health and environmental protection from the presence of lethal viruses and bacteria, this review article aims to report the major challenges associated with the application of ozonation in water contaminated with viruses and bacteria, in order to clarify whether these communities can survive or infect after the disinfection process and if it is efficient. Available data suggest that ozonation is able to increase the inactivation effect of microorganisms by about 50% in the logarithmic range, reducing infectivity. In addition, the evidence-based knowledge reported in this article is useful to support water and sanitation safety planning and to protect human health from exposure to cited contaminants through water.
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