Effect of electron beam irradiation on filtering facepiece respirators integrity and filtering efficiency

• Autorzy: Chmielewska Dagmara , Werner Łukasz , Gryczka Urszula , Migdał Wojciech

Identyfikatory

DOI

10.2478/nuka-2022-0002

• Języki publikacji: EN

Abstrakty

EN

The outbreak of the COVID-19 pandemic has shown that the demand for medical masks and respirators exceeds the current global stockpile of these items, and there is a dire need to increase the production capacity. Considering that ionizing radiation has been used for sterilization of medical products for many years and electron beam (EB) irradiation enables the treatment of huge quantities of disposable medical products in a short time this method should be tested for the mask’s decontamination. In this work, three different filtering facepiece respirators (FFRs) were irradiated with electron beams of 12 kGy and 25 kGy. The results confirmed that the decrease in filtration efficiency after irradiation of all respirators results from the elimination of the electric charge from the polypropylene (PP) fibers in the irradiation process. Moreover, the applied doses may affect the thermal stability of PP fabrics, while filtering materials structure and integrity have not changed after irradiation.

Słowa kluczowe

EN

electron beam irradiation; decontamination; PP filtering facepiece respirators; industrial applications; processing technologies; nanoparticles filtration

• Wydawca: Institute of Nuclear Chemistry and Technology
• Czasopismo: Nukleonika
• Rocznik: 2022
• Tom: Vol. 67, No. 2
• Strony: 23--33
• Opis fizyczny: Bibliogr. 40 poz., rys.

Twórcy

autor

Chmielewska Dagmara

• Institute of Nuclear Chemistry and Technology Dorodna 16 Str., 03-195 Warsaw, Poland

• https://orcid.org/0000-0002-4806-1000

autor

Werner Łukasz

• Warsaw University of Technology Faculty of Chemical and Process Engineering Warynskiego 1 Str., 00-645 Warsaw, Poland

• https://orcid.org/0000-0003-3492-2364

autor

Gryczka Urszula

• Institute of Nuclear Chemistry and Technology Dorodna 16 Str., 03-195 Warsaw, Poland

• https://orcid.org/0000-0003-2221-4176

autor

Migdał Wojciech

• Institute of Nuclear Chemistry and Technology Dorodna 16 Str., 03-195 Warsaw, Poland

• https://orcid.org/0000-0003-3382-376X

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).