VOCs photocatalytic abatement using nanostructured titania-silica catalysts

Hussain, M. and Akhter, P. and Iqbal, J. and Ali, Z. and Yang, W. and Shehzad, N. and Majeed, K. and Sheikh, R. and Amjad, U.-E.-S. and Russo, N. (2017) VOCs photocatalytic abatement using nanostructured titania-silica catalysts. Journal of Environmental Chemical Engineering, 5 (4). pp. 3100-3107.

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In this work, different quantities of TiO2 incorporated into TiO2-KIT6 nanostructured catalysts were considered to improve the photocatalytic abatement of volatile organic compounds (VOCs; ethylene, propylene) at ambient temperature. The best optimized activity and stability of the catalysts toward(s) ethylene and propylene degradation has been shown for 30 wt TiO2, while the worst conversion has been observed for a 90 wt TiO2 loading. This was likely due to the dispersion and stabilization of the anatase TiO2 with 30 wt on KIT-6, which in turn allowed more VOCs adsorption and better light penetration than 90 TiO2/KIT-6 in which it showed a bulk phase and large agglomerates with light penetration limitations. VOC abatement has been found to be not only influenced directly by the dispersed TiO2 contents but also by the calcination temperatures, and 500 °C has been found to be the best calcination condition to achieve the highest propylene conversion. The optimized nanostructured photocatalyst developed for ethylene and propylene, could also be promising candidate for other VOCs and different applications. © 2017 Elsevier Ltd. All rights reserved.

Item Type:Article
Impact Factor:cited By 1
Departments / MOR / COE:Division > Academic > Faculty of Engineering > Chemical Engineering
ID Code:19429
Deposited By: Ahmad Suhairi
Deposited On:20 Apr 2018 00:47
Last Modified:20 Apr 2018 00:47

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