A kind of preparation method of palm bark loaded nano titanium dioxide photocatalyst
A technology of nano-titanium dioxide and palm bark, applied in the direction of physical/chemical process catalysts, chemical instruments and methods, organic compounds/hydrides/coordination complex catalysts, etc., can solve problems such as complex and difficult recycling processes, and achieve environmental friendliness , simple operation, good physical and chemical stability
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Embodiment 1
[0019] (1) Palm bark pretreatment: Wash the palm bark with water to remove soil and impurities, put it in a container and soak it in water for 3 to 5 days to remove non-fibrous substances, cut the palm bark into small pieces, wash with water, and dry Carry out pulverization afterward, obtain pretreatment palm bark;
[0020] (2) Palm bark oxidation treatment: In the reactor, add deionized water: 35 mL, potassium persulfate: 15 g, after dissolving, slowly add 19 mL of concentrated sulfuric acid, stir and cool to room temperature, then add pre- Treatment of palm bark: 15g, soak at room temperature for 5 hours, boil for 10 minutes, wash with deionized water until neutral after cooling, separate solid and liquid, and dry to obtain oxidized palm bark;
[0021] (3) Preparation of nano-titanium dioxide photocatalyst supported by palm bark. In the reactor, add deionized water: 88 mL, nano-titanium dioxide powder: 2 g, oxidized palm bark: 10 g, stir well and place in 20 kHz ultrasonic ...
Embodiment 2
[0023] (1) Palm bark pretreatment: Wash the palm bark with water to remove soil and impurities, put it in a container and soak it in water for 3 to 5 days to remove non-fibrous substances, cut the palm bark into small pieces, wash with water, and dry Carry out pulverization afterward, obtain pretreatment palm bark;
[0024] (2) Palm bark oxidation treatment: In the reactor, add deionized water: 32 mL, potassium persulfate: 12 g, after dissolving, slowly add 20 mL of concentrated sulfuric acid, stir and cool to room temperature, then add pre- Treatment of palm bark: 18g, soak at room temperature for 4 hours, boil for 10 minutes, wash with deionized water until neutral after cooling, separate solid from liquid, dry to obtain oxidized palm bark;
[0025] (3) Preparation of nano-titanium dioxide photocatalyst supported by palm bark. In the reactor, add deionized water: 87 mL, nano-titanium dioxide powder: 5 g, oxidized palm bark: 8 g, stir well and place in 20 kHz ultrasonic Afte...
Embodiment 3
[0027] (1) Palm bark pretreatment: Wash the palm bark with water to remove soil and impurities, put it in a container and soak it in water for 3 to 5 days to remove non-fibrous substances, cut the palm bark into small pieces, wash with water, and dry Carry out pulverization afterward, obtain pretreatment palm bark;
[0028] (2) Palm bark oxidation treatment: In the reactor, add deionized water: 40 mL, potassium persulfate: 18 g, after dissolving, slowly add 17 mL of concentrated sulfuric acid, stir and cool to room temperature, then add pre- Treatment of palm bark: 10g, soak at room temperature for 6 hours, boil for 10 minutes, wash with deionized water until neutral after cooling, separate solid from liquid, dry to obtain oxidized palm bark;
[0029] (3) Preparation of palm bark-loaded nano-titanium dioxide photocatalyst, in the reactor, add deionized water: 85 mL, nano-titanium dioxide powder: 4g, oxidized palm bark: 11g, stir well and place in 20kHz ultrasonic Treat in the...
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