Characterization and photocatalytic properties of porous ZrO2/Al2O3 ceramic bead supported BiOI catalyst

He, Xiulan; Wang, Miao; jin, Tai; Li, Ling

doi:10.1016/j.ceramint.2024.01.162

Ceramics International

2024

DOI: 10.1016/j.ceramint.2024.01.162

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Characterization and photocatalytic properties of porous ZrO2/Al2O3 ceramic bead supported BiOI catalyst

Xiulan He,

Miao Wang,

Tai jin

et al.

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2024

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Cited by 3 publications

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Supported LaCoO3 perovskite-like oxides for N2O decomposition: The key role of the support nature and LaCoO3 content

Zemlianskii,

Morozov,

Kapustin

et al. 2024

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Supported LaCoO3 perovskite-like oxides for N2O decomposition: The key role of the support nature and LaCoO3 content

Zemlianskii,

Morozov,

Kapustin

et al. 2024

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Facile synthesis of BiOI/BaNbO3 composite for rapid sonocatalytic degradation of tetracycline hydrochloride

Wang,

Li,

2024

Journal of Solid State Chemistry

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Preparation and Photocatalytic Properties of Al2O3–SiO2–TiO2 Porous Composite Semiconductor Ceramics

Hua,

Wu,

Chen

et al. 2024

Molecules

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Titanium dioxide (TiO2) is widely employed in the catalytic degradation of wastewater, owing to its robust stability, superior photocatalytic efficiency, and cost-effectiveness. Nonetheless, isolating the fine particulate photocatalysts from the solution post-reaction poses a significant challenge in practical photocatalytic processes. Furthermore, these particles have a tendency to agglomerate into larger clusters, which diminishes their stability. To address this issue, the present study has developed Al2O3–SiO2–TiO2 composite semiconductor porous ceramics and has systematically explored the influence of Al2O3 and SiO2 on the structure and properties of TiO2 porous ceramics. The findings reveal that the incorporation of Al2O3 augments the open porosity of the ceramics and inhibits the aggregation of TiO2, thereby increasing the catalytic site and improving the light absorption capacity. On the other hand, the addition of SiO2 enhances the bending strength of the ceramics and inhibits the conversion of anatase to rutile, thereby further enhancing its photocatalytic activity. Consequently, at an optimal composition of 55 wt.% Al2O3, 40 wt.% TiO2, and 5 wt.% SiO2, the resulting porous ceramics exhibit a methylene blue removal rate of 91.50%, and even after undergoing five cycles of testing, their catalytic efficiency remains approximately 83.82%. These outcomes underscore the exceptional photocatalytic degradation efficiency, recyclability, and reusability of the Al2O3–SiO2–TiO2 porous ceramics, suggesting their substantial potential for application in the treatment of dye wastewater, especially for the removal of methylene blue.

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Characterization and photocatalytic properties of porous ZrO2/Al2O3 ceramic bead supported BiOI catalyst

Cited by 3 publications

References 22 publications

Supported LaCoO3 perovskite-like oxides for N2O decomposition: The key role of the support nature and LaCoO3 content

Supported LaCoO3 perovskite-like oxides for N2O decomposition: The key role of the support nature and LaCoO3 content

Facile synthesis of BiOI/BaNbO3 composite for rapid sonocatalytic degradation of tetracycline hydrochloride

Preparation and Photocatalytic Properties of Al2O3–SiO2–TiO2 Porous Composite Semiconductor Ceramics

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