Abstract:
:The aim of this study was to develop an experimental set-up and a methodology to uniformly contaminate several filter samples with high concentrations of cultivable bacteria and fungi. An experimental set-up allows contaminating simultaneously up to four filters for range of velocities representative of heating, ventilating and air-conditioning systems. The test aerosol was composed of a microbial consortium of one bacterium (Staphylococcus epidermidis) and one fungus (Penicillium oxalicum) and aerosol generation was performed in wet conditions. Firstly, the experimental set-up was validated in regards to homogeneity of the air flows. The bioaerosol was also characterized in terms of number and particle size distribution using two particle counters: optical particle counter Grimm 1.109 (optical diameters) and TSI APS 3321 (aerodynamic diameters). Moreover, stabilities of the number of particles generated were measured. Finally, concentrations of cultivable microorganisms were measured with BioSamplers (SKC) downstream of the four filters.
journal_name
Environ Technoljournal_title
Environmental technologyauthors
Forthomme A,Andrès Y,Joubert A,Simon X,Duquenne P,Bemer D,Le Coq Ldoi
10.1080/09593330.2012.728731subject
Has Abstractpub_date
2013-03-01 00:00:00pages
993-7issue
5-8eissn
0959-3330issn
1479-487Xjournal_volume
34pub_type
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