Application of an ultraviolet photocatalytic bromate removal material in water bromate removal
A bromate and water removal technology, applied in the direction of light water/sewage treatment, oxidized water/sewage treatment, water/sewage treatment, etc., can solve the problem of easy recombination of photogenerated electron holes, efficient limited reaction, and large band gap and other issues to achieve the effects of high response efficiency, easy access, and wide application range
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[0037] Step (1): Add graphene oxide (GO, Nanjing Xianfeng Nano XF003) into 60 mL of ethanol solution at room temperature 25 °C, and add 2.8 g of commercial titanium dioxide (Degussa P25) and hydrofluoric acid (HF ), the stirring speed is 300r / min, and the preliminary mixed solution is obtained; the preliminary mixed solution is alternately ultrasonicated and stirred every 15min (stirring speed is 300r / min), and the continuous operation is 2h, and the mixed solution is obtained;
[0038] The oxidation degree of graphene oxide is 35%, the carbon-oxygen ratio is 1.5-2, and the addition amount is 2.8 mg;
[0039] The mass percentage of hydrofluoric acid is 40%, and the added mass is 70.0 mg;
[0040] Step (2): Transfer the mixed solution to a stainless steel reactor with a polytetrafluoroethylene liner and perform a hydrothermal reaction at a reaction temperature of 180°C for 24 hours. After the reaction, it is naturally cooled to room temperature at 25°C to obtain a gray precurso...
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