Preparation method of natural zeolite loaded one-dimensional TiO2 nanowire with high catalytic activity
A high catalytic activity, natural zeolite technology, applied in the field of preparation of high catalytic activity natural zeolite loaded one-dimensional TiO2 nanowire composite materials, can solve the problems of composite specific surface area reduction, unfavorable organic adsorption and degradation, etc., to improve photocatalytic activity , easy to control, easy to control effects
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[0028] TiO 2For the preparation of the sol, the concentration of butyl titanate was 0.6, the molar ratio of diethanolamine to butyl titanate was 1:1, the ratio of water to absolute ethanol was 1:10, and the absolute ethanol solvent was 50ml. For acid treatment of natural zeolite, wash the natural zeolite repeatedly with deionized water until the supernatant is clear, add the washed zeolite to 0.3mol / L hydrochloric acid, stir for 4 hours under the condition of 93°C water bath, and use deionized water to Acid-treated zeolite for washing to remove Cl - , The resultant was dried at 110°C for 12h, and then calcined at 550°C for 4 hours. Natural zeolite supported nano-TiO 2 Preparation, put acid-treated zeolite into TiO 2 In the sol, stir in a water bath at 70°C until TiO 2 TiO will be loaded until the sol turns into a gel 2 The zeolite was dried at 90°C for 12 hours, and the above operation was repeated to load TiO again 2 , will load 2 times TiO 2 The zeolite was heat-treat...
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