Filtration Efficiency Assessment of Decontaminated FFP2 Masks for Safe re-Use: Study Conducted as Part of the COVID-19 Response Plan at HASSAN II University Hospital in Morocco
<p id="p1">During COVID-19, healthcare workers were at risk of infection and needed protection. Unfortunately, crisis-related mask shortages are forcing hospitals to look for ways to reuse masks after decontamination. The study aimed to assess the effectiveness of decontaminated FFP2 masks using moi...
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| Autores principales: | , , , , , , , , , , |
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| Formato: | Capítulo de libro |
| Lenguaje: | inglés |
| Publicado: |
IntechOpen
2023
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| Materias: | |
| Acceso en línea: | https://www.intechopen.com/chapters/1169732 |
| Etiquetas: |
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| Sumario: | <p id="p1">During COVID-19, healthcare workers were at risk of infection and needed protection. Unfortunately, crisis-related mask shortages are forcing hospitals to look for ways to reuse masks after decontamination. The study aimed to assess the effectiveness of decontaminated FFP2 masks using moist heat or hydrogen peroxide. It compared the filtration efficiency, chemical composition, and structural changes of these masks with new FFP2 masks. This evaluation was carried out through techniques like scanning electron microscopy, Fourier transform infrared spectroscopy, and thermogravimetric analysis. The finding indicates that the analysis of the chemical composition and structure of the filter media did not exhibit significant alterations or structural deformations. Remarkably, the breathing resistance tests verified that decontaminated FFP2 masks yielded consistent results, differing only by 10 Pa compared to the EN149 standard. Furthermore, the chemical analysis revealed that the filter media in decontaminated masks remained unaltered, with no detectable chemical derivatives found in their components.</p> |
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| ISBN: | 978-0-85466-404-7 |
| DOI: | 10.5772/intechopen.1003774 |