Glass fiber cloth loaded bismuth-doped titanium dioxide photocatalytic material, and preparation method and application thereof
A technology of glass fiber cloth and photocatalytic materials, applied in the direction of metal/metal oxide/metal hydroxide catalysts, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problem of particle weakening of light radiation intensity and photocatalytic activity Limited, can not be reused and other problems, to achieve good catalytic removal effect, improve catalytic performance, easy to recycle and reuse
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Embodiment 1
[0036] Preparation of TiO by Microemulsion Method 2 (Hereafter expressed by TO)
[0037]Step 1. Add 0.8g of water, 2.6g of Triton X-100, and 50mL of cyclohexane into a 100mL beaker, and stir at room temperature for 2h (the molar ratio of water to Triton X-100 is 11:1);
[0038] Step 2. Add 5.6 g of tetrabutyl titanate to the above solution, and stir at room temperature for 1 h (the concentration of tetrabutyl titanate is 0.38 mol / L);
[0039] Step 3. Put the stirred solution in an oven, raise it to 200°C at 10°C / min, and keep it for 1min;
[0040] Step 4. Take out the above sample, raise the temperature to 300° C. in a muffle furnace at 10° C. / min, and keep it for 3 hours to obtain TO.
Embodiment 2
[0042] Preparation of Bi 2 o 3 / TiO 2 Photocatalytic material (hereinafter referred to as TO-Bi)
[0043] Step 1. Add 0.8g of water, 2.6g of Triton X-100, and 50mL of cyclohexane into a 100mL beaker, and stir at room temperature for 2h (the molar ratio of water to Triton X-100 is 11:1);
[0044] Step 2, add 0.7761g bismuth nitrate pentahydrate, 5.6g tetrabutyl titanate to the above solution, stir at room temperature for 1h (the concentration of tetrabutyl titanate is 0.38mol / L, and the molar ratio of elemental titanium to bismuth is 99: 1);
[0045] Step 3. Put the stirred solution in an oven, raise it to 200°C at 10°C / min, and keep it for 1min;
[0046] Step 4. Take out the above sample, raise the temperature to 300° C. in a muffle furnace at 10° C. / min, and keep it for 3 hours to obtain TO-Bi.
Embodiment 3
[0048] Preparation of glass fiber cloth loaded with Bi 2 o 3 / TiO 2 Photocatalytic material (TO-Bi-BL representation), the specific steps are as follows:
[0049] Step 1. Take a glass fiber cloth with a thickness of 4 mm and a diameter of 11 cm, wash it with water and dry it;
[0050] Step 2, add 0.8g water, 2.6g Triton X-100, 50mL cyclohexane into a 100mL beaker, stir at room temperature for 2h (the molar ratio of water to Triton X-100 is 11:1);
[0051] Step 3, add 0.7761g bismuth nitrate pentahydrate, 5.6g tetrabutyl titanate to the above solution, stir at room temperature for 1h (the concentration of tetrabutyl titanate is 0.38mol / L, and the molar ratio of elemental titanium to bismuth is 99: 1);
[0052] Step 4, lay the glass fiber cloth flat, and spray the above-mentioned prepolymer evenly on it;
[0053] Step 5. Put the glass fiber cloth sprayed with prepolymer in the oven, raise it to 100°C at 10°C / min, and keep it for 1min;
[0054] Step 6. Take out the glass fi...
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