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Ozone reaction with clothing and its initiated VOC emissions in an environmental chamber.
- Source :
-
Indoor Air . Feb2014, Vol. 24 Issue 1, p49-58. 10p. - Publication Year :
- 2014
-
Abstract
- Human health is adversely affected by ozone and the volatile organic compounds ( VOCs) produced from its reactions in the indoor environment. Hence, it is important to characterize the ozone-initiated reactive chemistry under indoor conditions and study the influence of different factors on these reactions. This investigation studied the ozone reactions with clothing through a series of experiments conducted in an environmental chamber under various conditions. The study found that the ozone reactions with a soiled (human-worn) T-shirt consumed ozone and generated VOCs. The ozone removal rate and deposition velocity for the T-shirt increased with the increasing soiling level and air change rate, decreased at high ozone concentrations, and were relatively unaffected by the humidity. The deposition velocity for the soiled T-shirt ranged from 0.15 to 0.29 cm/s. The ozone-initiated VOC emissions included C6-C10 straight-chain saturated aldehydes, acetone, and 4- OPA (4-oxopentanal). The VOC emissions were generally higher at higher ozone, humidity, soiling of T-shirt, and air change rate. The total molar yield was approximately 0.5 in most cases, which means that for every two moles of ozone removed by the T-shirt surface, one mole of VOCs was produced. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09056947
- Volume :
- 24
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- Indoor Air
- Publication Type :
- Academic Journal
- Accession number :
- 93569403
- Full Text :
- https://doi.org/10.1111/ina.12058