TiO2/tourmaline composite photocatalyst and TiO2/ tourmaline gauze
A technology of tourmaline and composite light, which is applied in the field of materials, can solve the problems of formaldehyde pollution, etc., and achieve the effects of strengthening adsorption and mass transfer, facilitating light absorption, high economy and practicability
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[0040] 1) Preparation of photocatalyst powder
[0041] Using the sol-gel method, add 4ml of glacial acetic acid to 30ml of absolute ethanol, magnetically stir for 10min to make the mixture uniform, then slowly add 10ml of tetrabutyl titanate and stir for 30min to obtain a tetrabutyl titanate solution;
[0042] At the same time, take an appropriate amount of tourmaline powder and add it to 20ml of absolute ethanol and sonicate for 30 minutes to obtain a tourmaline powder solution; then slowly drop the tetrabutyl titanate solution into the tourmaline powder solution and stir vigorously for 1 hour to obtain a mixed solution;
[0043] Take 20ml of absolute ethanol, 10ml of deionized water and concentrated hydrochloric acid to mix evenly to make the pH of the solution around 1.7. Add this solution slowly to the mixed solution of tetrabutyl titanate and tourmaline obtained above under strong stirring In the medium, vigorous stirring for 2 hours to form a gray sol, and then stirring in a wa...
Example Embodiment
[0046] Example 1:
[0047] Add TiO to 20ml absolute ethanol 2 Tourmaline of 0.5% by mass is then sonicated for 30 minutes to obtain a tourmaline powder solution.
Example Embodiment
[0048] Example 2:
[0049] Add TiO to 20ml absolute ethanol 2 The tourmaline of 1% by mass is then ultrasonicated for 30 minutes to obtain a tourmaline powder solution.
[0050] TiO 2 , Tourmaline, TiO 2 / 1% tourmaline SEM image, such as figure 1 , figure 2 , image 3 .
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