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Issue 12, 2010
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Porous silica spheres as indoor air pollutant scavengers

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Abstract

Porous silica spheres were investigated for their effectiveness in removing typical indoor air pollutants, such as aromatic and carbonyl-containing volatile organic compounds (VOCs), and compared to the commercially available polymer styrenedivinylbenzene (XAD-4). The silica spheres and the XAD-4 resin were coated on denuder sampling devices and their adsorption efficiencies for VOCs evaluated using an indoor air simulation chamber. Real indoor sampling was also undertaken to evaluate the affinity of the silica adsorbents for a variety of indoor VOCs. The silica sphere adsorbents were found to have a high affinity for polar carbonyls and found to be more efficient than the XAD-4 resin at adsorbing carbonyls in an indoor environment.

Graphical abstract: Porous silica spheres as indoor air pollutant scavengers

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Publication details

The article was received on 20 May 2010, accepted on 31 Aug 2010 and first published on 12 Oct 2010


Article type: Paper
DOI: 10.1039/C0EM00226G
Citation: J. Environ. Monit., 2010,12, 2244-2251
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    Porous silica spheres as indoor air pollutant scavengers

    P. Delaney, R. M. Healy, J. P. Hanrahan, L. T. Gibson, J. C. Wenger, M. A. Morris and J. D. Holmes, J. Environ. Monit., 2010, 12, 2244
    DOI: 10.1039/C0EM00226G

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