Issue 12, 2010
From the journal:

Journal of Environmental Monitoring

Porous silica spheres as indoor air pollutant scavengers†

Paul Delaney,ab   Robert M. Healy,c   John P. Hanrahan,d   Lorraine T. Gibson,e   John C. Wenger,c   Michael A. Morrisab  and  Justin D. Holmes*ab  

* Corresponding authors

a Materials and Supercritical Fluids Group, Department of Chemistry and the Tyndall National Institute, University College Cork, Cork, Ireland
E-mail: j.holmes@ucc.ie
Fax: +353 21 4274097
Tel: +353 21 4903608

b Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), Trinity College Dublin, Dublin, Ireland

c Department of Chemistry and the Environmental Research Institute (ERI), University College Cork, Cork, Ireland

d Glantreo Ltd., Rubicon Centre, CIT Campus, Bishopstown, Cork, Ireland

e Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow, UK

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 styrene–divinylbenzene (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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Article information

DOI
https://doi.org/10.1039/C0EM00226G
Article type
Paper
Submitted
20 May 2010
Accepted
31 Aug 2010
First published
12 Oct 2010

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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