Utilization Low Rank Coal Bottom Ash as TiO2 Support for Oxidation Catalyst of Styrene with Hydrogen Peroxide Aqueous

Mukhamad Nurhadi

doi:10.4028/www.scientific.net/KEM.733.12

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 733Utilization Low Rank Coal Bottom Ash as TiO2...

Utilization Low Rank Coal Bottom Ash as TiO₂ Support for Oxidation Catalyst of Styrene with Hydrogen Peroxide Aqueous

Abstract:

One of the coal combustion ashes is coal bottom ash. Low rank coal bottom ash can act as TiO₂ catalyst’s support which was calcined at varying temperature, has been created. The low rank coal bottom ash model was collected from low rank coal which burned in muffle furnace at 800 °C for 2 h. Subsequently, the low rank coal bottom ash was impregnated with titanium (IV) isopropoxide (Ti (PrO)₄) 500 μmol, and then calcined at variation temperature of 300, 400, 500, 600 and 700 °C. The modified physiochemical property of catalysts were determined UV-vis spectroscopy, N₂ adsorption-desorption and hydrophobicity test. The performances of the catalysts were tested for styrene oxidation with H₂O₂ aqueous as oxidant. It is found that the low rank coal bottom ash was as good catalyst support, whereby TiO₂ supported low rank coal bottom ash which calcined at 400 °C possessed the best catalytic activity with styrene conversion 45% and selectivity 87%.

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Key Engineering Materials (Volume 733)

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12-16

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https://doi.org/10.4028/www.scientific.net/KEM.733.12

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March 2017

Authors:

Mukhamad Nurhadi

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Bottom Ash, Calcination, Low Rank Coal, Oxidation, Styrene

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