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Suspension Type TiO2 Photocatalysts for Water Treatment: Magnetic TiO2/SiO2/Fe3O4 Nanoparticles and Submillimeter TiO2-Polystyrene Beads
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DOI：10.3390/chemengineering10010003.png)
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Abstract
En 中文
Photocatalytic degradation of organic molecules using TiO2 has attracted attention in wastewater treatment because it can decompose organic compounds that are difficult to decompose by other methods. Meanwhile, efficient photocatalytic water treatment is difficult because it is not easy to separate nano-sized photocatalysts from water. In this review, we have described two approaches to solve the water separation challenge in the suspension type TiO2 photocatalysts, which are uniformly distributed in water: magnetic TiO2/SiO2/Fe3O4 nanoparticles and TiO2-polystyrene beads. The preparation, characterization, and photocatalytic performance of the two types of photocatalysts and their application are discussed. Finally, we compare two types of photocatalysts while focusing on the respective advantages and disadvantages of each, and the future direction of research.
Keywords:
photocatalysts
water treatment
TiO<sub>2</sub>
suspension type catalysts
magnetic nanoparticle
polystyrene beads
Journal
IF:
3.4
Papers:
328
Citations:
1.6K
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