International Journal of Environmental Science and Development

Abstract—This study draws a comparison between destruction potential of TiO₂ nano particles when its doped with Sulphur and Zirconium. When TiO₂ gets excited, it induces into electron pairs and holes and due to the presence of Sulfur in the nanoparticles, the energy of these pairs of electrons will be enhanced since S donates additional electrons during the reaction. While Zr has been found to improve the thermal stabilization of TiO₂ and it also increases its surface area. Fixed bed catalysis system was used to assess the destruction potential of H₂S gas using S and Zr doped TiO₂ nanoparticles. The gas samples obtained were analysed using Gas Chromatography-Mass Spectroscopy to ascertain the percentage destruction of H₂S gas before and after passing the gas samples from the doped TiO₂ nanoparticles. The results showed around 90% destruction of H₂S gas using S-doped TiO₂ nanoparticles while doping with Zr proved to be very less effective for degradation of H₂S gas as compared to S doped nanoparticles.

Index Terms—S doped, TiO₂, H₂S, nanoparticles.

The authors are with the National University of Sciences and Technology Risalpur Campus, Risalpur (KPK), Pakistan (e-mail: naeemshahzad@mce.nust.edu.pk, waqasazfar@yahoo.com).

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Cite: Naeem Shahzad and Rai Waqas Azfar, "Comparison of Sulphur and Zirconium Doped TiO₂ Nanoparticles for H₂S Gas Destruction," International Journal of Environmental Science and Development vol. 10, no. 9, pp. 266-269, 2019.

Copyright © 2019 by the authors. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).