Particulate air filters for general ventilation. Determination of the filtration performance

2002 ◽  
Keyword(s):  
Air Filters ◽  
Filtration Performance

Comparison of filtration performance of commercially available automotive cabin air filters against various airborne pollutants

2019 ◽  
Vol 161 ◽  
pp. 106272 ◽  
Author(s):  
Ki Joon Heo ◽  
Jung Woo Noh ◽  
Byung Uk Lee ◽  
Yeonsang Kim ◽  
Jae Hee Jung
Keyword(s):  
Air Filters ◽  
Airborne Pollutants ◽  
Filtration Performance

scholarly journals Determination of 210Po in air filters from metallurgic industry

2019 ◽  
Vol 322 (3) ◽  
pp. 1351-1356 ◽  
Author(s):  
Grzegorz Szaciłowski ◽  
Jakub Ośko ◽  
Tomasz Pliszczyński
Keyword(s):  
Thermal Process ◽  
Liquid Scintillation ◽  
Aerosol Particles ◽  
Ferrous Metal ◽  
Acid Leaching ◽  
Scintillation Counting ◽  
Elevated Concentration ◽  
Air Filters ◽  
Co Precipitation

Abstract The elevated concentration of 210Po attached to aerosol particles inside a non-ferrous metal refinery was studied. The aerosols were collected on Petrianov or glass-fiber filters and subsequently subjected to radiochemical procedure consisting of acid leaching and concentration by micro co-precipitation with manganese oxide. For the activity determination alpha spectrometry and liquid scintillation counting (LSC) were applied. The obtained results showed that usually observed polonium concentration inside the plant was lower than 78 mBq m−3, however short spikes up to 7430 ± 710 mBq m−3 (related to the specific thermal process) were also observed.

Determination of the retention efficiency of industrial air filters for particle sizes in the submicron range

1986 ◽  
Vol 17 (6) ◽  
pp. 931-936 ◽  
Author(s):  
R. Henkelmann ◽  
F. Baumgärtner ◽  
K. Krebs ◽  
O. Petzoldt
Keyword(s):  
Particle Sizes ◽  
Retention Efficiency ◽  
Air Filters

Recent IAEA intercomparison on the determination of trace elements in simulated air filters

1979 ◽  
Vol 2 (1) ◽  
pp. 19-25
Author(s):  
A. Tugsavul ◽  
R. Dybczynski ◽  
O. Suschny
Keyword(s):  
Trace Elements ◽  
Air Filters

Determination of Low Concentration and Desorption Performance of Gas/Odor Cabin Air Filters

1996 ◽  
Author(s):  
Steven J. Ilkka ◽  
John Kostecki ◽  
Allen Noreen ◽  
Terry Wilber
Keyword(s):  
Air Filters ◽  
Low Concentration

Determination of thorium and uranium in air filters by XRF analysis using excitation of K-lines by radionuclides

1987 ◽  
Vol 329 (5) ◽  
pp. 581-583 ◽  
Author(s):  
N. Pilz ◽  
P. Hoffmann ◽  
K. H. Lieser ◽  
S. G. Gavrides
Keyword(s):  
Air Filters ◽  
Xrf Analysis
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