Composite photocatalytic material with efficient photocatalytic activity
A technology of composite photocatalysis and photocatalytic activity, applied in the field of composite photocatalytic materials, can solve the problems of poor photocatalytic activity and low pollution degradation efficiency, and achieve the effects of simple operation, reasonable process design and high practicability
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Embodiment 1
[0046] S1: Prepare materials: weigh cadmium nitrate tetrahydrate, thiourea, glutathione, absolute ethanol, ammonia water and tetrabutyl titanate, weigh bismuth nitrate pentahydrate, silver nitrate, ethylene glycol, sodium hydrogen phosphate, Melamine, thiocyanuric acid, carbon fiber and sodium phosphate, spare;
[0047] S2: Preparation of the first catalytic material: Take bismuth nitrate pentahydrate and silver nitrate, dissolve them in ethylene glycol, stir for 20 minutes, then add sodium hydrogen phosphate, continue stirring for 30 minutes, and keep them in an oil bath with a temperature of 120°C , the holding time is 3 hours, filtering, washing with ion water and ethanol alternately twice, and then drying in a drying oven at a drying temperature of 70°C and a drying time of 9 hours to obtain the first catalytic material;
[0048] S3: Preparation of the second catalytic material:
[0049] Take cadmium nitrate tetrahydrate, thiourea, and glutathione, dissolve them in distil...
Embodiment 2
[0057] S1: Prepare materials: weigh cadmium nitrate tetrahydrate, thiourea, glutathione, absolute ethanol, ammonia water and tetrabutyl titanate, weigh bismuth nitrate pentahydrate, silver nitrate, ethylene glycol, sodium hydrogen phosphate, Melamine, thiocyanuric acid, carbon fiber and sodium phosphate, spare;
[0058] S2: Preparation of the first catalytic material: take bismuth nitrate pentahydrate and silver nitrate, dissolve them in ethylene glycol, stir for 25 minutes, then add sodium hydrogen phosphate, continue stirring for 35 minutes, and place in an oil bath to keep warm, the temperature of the oil bath is 125°C , holding time is 2.5h, filtering, washing with ion water and ethanol alternately twice, and then drying in a drying oven at a drying temperature of 75°C and a drying time of 8.5h to obtain the first catalytic material;
[0059] S3: Preparation of the second catalytic material:
[0060] Take cadmium nitrate tetrahydrate, thiourea, and glutathione, dissolve t...
Embodiment 3
[0068] S1: Prepare materials: weigh cadmium nitrate tetrahydrate, thiourea, glutathione, absolute ethanol, ammonia water and tetrabutyl titanate, weigh bismuth nitrate pentahydrate, silver nitrate, ethylene glycol, sodium hydrogen phosphate, Melamine, thiocyanuric acid, carbon fiber and sodium phosphate, spare;
[0069] S2: Preparation of the first catalytic material: take bismuth nitrate pentahydrate and silver nitrate, dissolve them in ethylene glycol, stir for 30 minutes, then add sodium hydrogen phosphate, continue stirring for 40 minutes, and keep them in an oil bath, the temperature of the oil bath is 130°C , holding time is 2h, filtering, washing with deionized water and ethanol alternately for 3 times, and then drying in a drying oven at a drying temperature of 80°C and a drying time of 8h to obtain the first catalytic material;
[0070] S3: Preparation of the second catalytic material:
[0071] Take cadmium nitrate tetrahydrate, thiourea, and glutathione, dissolve th...
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