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Macroporous TiO2 with mesocellular foam structure was prepared using eggshell membrane as a single template. The as-synthesized catalyst was characterized by N2 adsorption-desorption analysis, X-ray powder diffraction (XRD) and scanning electron microscopy (SEM) analysis. The results indicate that hierarchical porous structure exists in the as-synthesized TiO2 membrane. The mesocellular foam is composed...
The effect of loaded pellets in high voltage pulse discharge was investigated. There were some changes in the surface characteristics of different pellets with loaded catalysts. The specific surface area of the pellet loaded with ferric hydroxide increased and the pellet loaded with titanium dioxide decreased. Pore volume and pore size of loaded pellets were small. The adsorption of phenol on the...
TiO2 catalyst was prepared by two kinds of different methods. The photocatalytic activity of TiO2 prepared by the hydrothermal method is 2.5 times higher than that by sol-gel in degradation dimethyl phthalate (DMP). The combined photocatalysis with UV irradiation and ozonation (TiO2/UV/O3) process considerably improved mineralization and degradation of dibutyl phthalate compared to combined photocatalysis...
Through potassium pyrosulfate melting method, the acidity titanium dioxide sol is prepared, and then the TiO2/sepiolite composite water treatment agent is prepared by serials of soaking, shaking and heating process, the adsorption and photo-catalysis property of TiO2/sepiolite composite water treatment agent to the simulated active-blue dye wastewater is also studied. The results showed that, compared...
This paper investigated the photochemical behavior of diphenolic acid (DPA) in the presence of beta-cyclodextrin (CD) and TiO2 suspensions under a 250 W metal halide lamp (lambdages 365 nm). The interaction of DPA with CD yielded the formation of inclusion complexes at 1:1 stoichiometric ratio in solution. The irradiation of DPA and TiO2 suspensions in the presence of beta-CD showed that the photodegradation...
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