Photocatalytic separation film for water treatment and preparation method
A photocatalytic separation membrane and water treatment technology, applied in the field of water treatment, can solve the problems of poor photocatalyst dispersibility, unsatisfactory water treatment effect, low photocatalytic efficiency, etc., and achieves high visible light utilization rate, good dispersion, and photocatalysis Efficient effect
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[0031] Example 1
[0032] (1) Add p-tert-butylphenol and catalyst sodium hydroxide to diphenyl ether, then add sublimed sulfur, tetrabutyl titanate, ammonium carbonate, zinc sulfate, stir under nitrogen atmosphere, and gradually heat to increase temperature, reflux reaction After 5.5h, it was cooled to room temperature, and then washed with sulfuric acid solution and ethanol solution in sequence, and then purified with chloroform, and dried in vacuum to prepare loaded nano-TiO 2 And nano-ZnO p-tert-butylthiocalix[4]arene; the heating rate is 1.2°C / min, the reflux temperature is 230°C; the mass concentration of the sulfuric acid solution is 5%, and the mass concentration of the ethanol solution is 86%; The temperature of vacuum drying is 44°C, and the time is 7h; the weight parts of each raw material are 29 parts by weight of p-tert-butylphenol, 4 parts by weight of sodium hydroxide, 11 parts by weight of sublimed sulfur, 3 parts by weight of tetrabutyl titanate, 1 part by weight ...
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[0040] Example 2
[0041] (1) Add p-tert-butylphenol and catalyst sodium hydroxide to diphenyl ether, then add sublimed sulfur, tetrabutyl titanate, ammonium carbonate, zinc sulfate, stir under nitrogen atmosphere, and gradually heat to increase temperature, reflux reaction After 5h, it was cooled to room temperature, and then washed with sulfuric acid solution and ethanol solution in sequence, and then purified with chloroform, and dried in vacuum to prepare loaded nano-TiO 2 And nano-ZnO p-tert-butylthiocalix[4]arene; the heating rate is 0.5°C / min, the reflux temperature is 210°C; the mass concentration of the sulfuric acid solution is 4%, and the mass concentration of the ethanol solution is 82%; The temperature of vacuum drying is 42°C, and the time is 7 hours; the weight parts of each raw material are 29 parts by weight of p-tert-butylphenol, 4 parts by weight of sodium hydroxide, 11 parts by weight of sublimed sulfur, 3 parts by weight of tetrabutyl titanate, 1 part by weig...
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[0045] Example 3
[0046] (1) Add p-tert-butylphenol and catalyst sodium hydroxide to diphenyl ether, then add sublimed sulfur, tetrabutyl titanate, ammonium carbonate, zinc sulfate, stir under nitrogen atmosphere, and gradually heat to increase temperature, reflux reaction After 6h, it was cooled to room temperature, and then washed with sulfuric acid solution and ethanol solution in sequence, and then purified with chloroform, and dried in vacuum to prepare loaded nano-TiO 2 And nano-ZnO p-tert-butylthiocalix[4]arene; the heating rate is 1.5°C / min, the reflux temperature is 230°C; the mass concentration of the sulfuric acid solution is 5%, and the mass concentration of the ethanol solution is 88%; The temperature of vacuum drying is 48°C and the time is 6h; the weight parts of each raw material are 31 parts by weight of p-tert-butylphenol, 4 parts by weight of sodium hydroxide, 12 parts by weight of sublimed sulfur, 4 parts by weight of tetrabutyl titanate, 2 parts by weight of...
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