Determination of permeability of ultra-fine cupric oxide aerosol through military filters and protective filters

0494898 - ÚIACH 2019 RIV GB eng C - Konferenční příspěvek (zahraniční konf.)
Kellnerova, E. - Večeřa, Zbyněk - Kellner, J. - Zeman, T. - Navrátil, J.
Determination of permeability of ultra-fine cupric oxide aerosol through military filters and protective filters.
Journal of Physics Conference Series. In: APPLIED NANOTECHNOLOGY AND NANOSCIENCE INTERNATIONAL CONFERENCE 2017 (ANNIC 2017). Bristol: IOP PUBLISHING LTD, 2017 - (Tai, Y.), Roč. 987 (2018), s. 1-8, č. článku 012037. ISSN 1742-6588.
[Applied Nanotechnology and Nanoscience International Conference ANNIC 2017. Rome (IT), 18.10.2017-20.10.2017]
Grant CEP: GA ČR(CZ) GAP503/11/2315
Institucionální podpora: RVO:68081715
Klíčová slova: nanoparticle * particular particle sizes * ultra-fine aerosol
Obor OECD: Analytical chemistry

The paper evaluates the filtration and sorption efficiency of selected types of military combined filters and protective filters. The testing was carried out with the use of ultra-fine aerosol containing cupric oxide nanoparticles ranging in size from 7.6 nm to 299.6 nm. The measurements of nanoparticles were carried out using a scanning mobility particle sizer before and after the passage through the filter and a developed sampling device at the level of particle number concentration approximately 750000 particles cm(-3). The basic parameters of permeability of ultra-fine aerosol passing through the tested material were evaluated, in particular particle size, efficiency of nanoparticle capture by filter, permeability coefficient and overall filtration efficiency. Results indicate that the military filter and particle filters exhibited the highest aerosol permeability especially in the nanoparticle size range between 100-200 nm, while the MOF filters had the highest permeability in the range of 200 to 300 mn The Filter Nuclear and the Health and Safety filter had 100% nanoparticle capture efficiency and were therefore the most effective. The obtained measurement results have shown that the filtration efficiency over the entire measured range of nanoparticles was sufficient, however, it was different for particular particle sizes.
Trvalý link: http://hdl.handle.net/11104/0287944