Kinetic study of styrene oxidation over titania catalyst supported on sulfonated fish bone-derived carbon

Kusumawardani, Ratna, Nurhadi, Mukhamad, Wirawan, Teguh, Prasetyo, Anton ORCID:, Agusti, Nabila Nur, Lai, Sin Yuan and Nur, Hadi (2022) Kinetic study of styrene oxidation over titania catalyst supported on sulfonated fish bone-derived carbon. Bulletin of Chemical Reaction Engineering and Catalysis, 17 (1). pp. 194-204. ISSN 1978-2993

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The kinetic evaluation of titania supported sulfonated fish bone-derived carbon (TiO2/SFBC) as a catalyst in styrene oxidation by aqueous hydrogen peroxide was carried out. The catalysts were prepared by carbonation of fishbone powder at varying temperatures 500, 600 and 700 °C, respectively for 2 h, followed by sulfonation with sulfuric acid (1M) for 24 h and impregnated by varied titania concentration 500, 1000 and 1500 µmol. The physical properties of catalysts were characterized using Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), Scanning Electron Microscope-Energy Dispersive X-Ray (SEM-EDX) and the nitrogen adsorption-desorption analysis. The catalytic activity result showed that TiO2/SFBC can be used as a potential catalyst in styrene oxidation. Worth noting that the sulfonation process has not only transformed the TiO2/FBC particulates (without sulfonation) to cuboid-shaped TiO2/SFBC (with sulfonation) but also contributed to the high selectivity of benzaldehyde. On the other hand, carbonization at different temperatures has an indistinct effect on catalytic performance due to their similar surface areas. The styrene conversion rate responded positively with the increasing amount of titania in the functionalized composites. The styrene oxidation by aqueous H2O2 unraveled the first-order reaction with the activation energy of ⁓63.5 kJ.

Item Type: Journal Article
Keywords: styrene oxidation; titania; fishbone-derived carbon; carbonization; sulfonation
Subjects: 03 CHEMICAL SCIENCES > 0306 Physical Chemistry (incl. Structural) > 030601 Catalysis and Mechanisms of Reactions
Divisions: Faculty of Mathematics and Sciences > Department of Chemistry
Depositing User: Dr Anton Prasetyo
Date Deposited: 08 Nov 2022 13:53


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