Study On Microstructure Polymer Photocatalyst Supported Photocatalyst

With the rapid development of modern industrial economy and science technology, water pollution has gradually become the primary problem in environment pollution, particullary the large discharge of dye wastewater exerts difficulty in wastewater treatment. In recent years, semiconductor photocatalytic technology used on the treatment of water pollution exhibits environmentally begin and efficient performances in wastewater treatment and has been considered as one of the most promising technologies, researchers has therefore made great efforts and achieved a great breakthrough in the photocatalysis, primarily on TiO2-based photocatalysis. Development of photocatalysis with sunlight as light source and realization of their large-scale application is a dream for the researchers in this area. Microstructured polymer optical fiber (MPOF), due to its porous channel structure, good optical transmittance and good stable nature, has been paid much attention in the design of photocatalytic reactor. Based on the above theory, the dissertation research work was carried out, and the main work is in follows:In the first chapter, the dye wastewater in our daily life was briefly introduced. Then the current situation of titanium dioxide photocatalytic technology and the achievements made in this field were described. And the micro structure polymer fibers and their classification were given a simple review and finally the research contents and significance of this research work was described.In the second chapter, a Ag/AgBr photocatalyst was prepared and characterized. The photocatalytic property of the Ag/AgBr material was performed and its photocatalytic mechanism was discussed.In the third chapter, the process for grafting of Ag/AgBr/TiO2photocatalyst on the pore inner of optical fiber was described. Then with Rhodamine B as a dye model, effects of doped amount of Ag/AgBr in TiO2gel, Rhodamine B concentration, pH, addition amount of EDTA and DMSO on the photocatalytic degradation of the Rhodamine B were investigated.In the final chapter, the achievements made during MS degree studies was summarized.