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Vol. 29 No. 12 (2017): Vol 29 Issue 12

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Improvement of Indoor Air Quality by Applying LiNbO3 on Concrete

https://doi.org/10.14233/ajchem.2017.20806
Ranjit K. Nath
Department of Chemistry, Faculty of Engineering & Technology, Chittagong University of Engineering and Technology (CUET), Chittagong-4349, Bangladesh; Sustainable Construction Materials and Building Systems Research Group, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Malaysia
M.K. Mohammad Ziaul Hyder
Department of Chemistry, Faculty of Engineering & Technology, Chittagong University of Engineering and Technology (CUET), Chittagong-4349, Bangladesh
M.F.M. Zain
Sustainable Construction Materials and Building Systems Research Group, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Malaysia

Corresponding Author(s) : Ranjit K. Nath

rkn_chem@yahoo.com

Asian Journal of Chemistry, Vol. 29 No. 12 (2017): Vol 29 Issue 12

Abstract

Photocatalysts in ordinary building materials such as concrete create environment-friendly materials by which air pollution can be diminished. In this study, LiNbO3-coated concrete block was used to investigate pollutant removal efficiency, wherein toluene and ethylbenzene were selected as common indoor air pollutants. The effectiveness of using immobilized LiNbO3 to remove ethylbenzene and toluene from indoor air was investigated under various operational parameters. About 80 % of toluene and 82.5 % of ethylbenzene could be removed within 6 h under ultraviolet-visible light illumination using LiNbO3 as a photocatalyst in concrete. Therefore, in the near future, LiNbO3 may be used as a sustainable construction material that could contribute to indoor air purification

Keywords

Indoor air quality LiNbO3 Photocatalytic degradation Volatile organic compounds
Nath, R. K., Ziaul Hyder, M. M., & Zain, M. (2017). Improvement of Indoor Air Quality by Applying LiNbO3 on Concrete. Asian Journal of Chemistry, 29(12), 2692–2700. https://doi.org/10.14233/ajchem.2017.20806
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