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A load-type titanium dioxide photocatalyst and the preparation method,titanium dioxide, it is to have prepared n-butyl titanate was added dropwise 1M nitric acid concentration in formed by intense stirring colorless solution; then add distilled water,titanium dioxide,barium titanate, after mixing with hydrogen sodium oxide adjust pH = 1.0-2.0, stirring until the formation of intense white suspensions; drawn 100 to 200 purpose of porous silica added to the suspensions,titanium dioxide, then adjust the NaOH solution,nickel oxide, suspensions of pH = 3.0-4.0, then the suspension to solid-liquid separation, washing, until the Alarm pH> 6; the proceeds of solid drying; high temperature calcination,titanium dioxide, titanium dioxide obtained after cooling to form nanoparticles in porous silica surface of the load, and the mass ratio 2:1-1:6 photocatalyst; it has less use of raw materials, pollution, titanium dioxide recovery rate was high and short preparation time, more suitable for industrial production.
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