The correlation between carpet and deposition of particles

Alireza Afshari, Peter Wåhlin, Lars Gunnarsen, Elvira Bräuner, Steffen Loft, Claus Reinhold

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Abstract

This paper presents some of the results of an air filtration-based intervention study carried out in 21 apartments situated near busy traffic streets. The aim of the study was to identify positive health effects of air filtration in an elderly population. The air change rates and indoor particle concentrations were measured continuously during two consecutive periods of 48 hours. Each apartment was equipped with two filter units, one located in the bedroom and one in the living room. Particles were removed by filtration during one of the exposure periods. Periods without filtration during which candle-burning was the only significant indoor source of particles were identified; this occurred in three apartments. The deposition rates of particles were calculated based on air change rate and the decay period after the candles had been put out and related to the fraction of floor area covered with carpets. Results showed that the amount of carpet on the floor was significantly correlated with particle deposition in the apartments.
Original languageEnglish
JournalIndoor Air
Pages (from-to)17-22
Number of pages6
ISSN0905-6947
Publication statusPublished - 2008
Externally publishedYes

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