Porous silica spheres as indoor air pollutant scavengers

Paul Delaney; Robert Healy; John P. Hanrahan; Lorraine Gibson; John C. Wenger; Michael A. Morris; Justin D. Holmes

doi:10.1039/c0em00226g

Porous silica spheres as indoor air pollutant scavengers

Paul Delaney, Robert Healy, John P. Hanrahan, Lorraine Gibson, John C. Wenger , Michael A. Morris, Justin D. Holmes

Pure And Applied Chemistry

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

109 Downloads (Pure)

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 volatile organic compounds 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.

Original language	English
Pages (from-to)	2244-2251
Number of pages	8
Journal	Journal of Environmental Monitoring
Volume	12
Issue number	12
Early online date	12 Oct 2010
DOIs	https://doi.org/10.1039/c0em00226g
Publication status	Published - 2010

Keywords

air pollution
environmental monitoring

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1039/c0em00226g

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Cite this

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AU - Delaney, Paul

AU - Healy, Robert

AU - Hanrahan, John P.

AU - Gibson, Lorraine

AU - Wenger , John C.

AU - Morris, Michael A.

AU - Holmes, Justin D.

PY - 2010

Y1 - 2010

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AB - 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 volatile organic compounds 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.

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Porous silica spheres as indoor air pollutant scavengers

Abstract

Keywords

UN SDGs

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Porous silica spheres as indoor air pollutant scavengers

Abstract

Keywords

UN SDGs

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Heritage smells (Full)

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