Production of titanium dioxide optical catalyst sol
A titanium dioxide and photocatalyst technology, applied in the directions of titanium dioxide, chemical instruments and methods, titanium oxide/hydroxide, etc., can solve the problems of secondary pollution, high investment cost, unsatisfactory purification effect, etc., and achieve long-lasting effect and long-lasting use effect. , The effect of photocatalytic effect is obvious
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[0014] The present invention is further described by examples below.
[0015] The present invention prepares the operating steps in the embodiment of titanium dioxide photocatalyst sol as follows:
[0016] (1) Add at least one of titanium tetrachloride, titanium sulfate or butyl titanate into an alcohol dilution solvent of 1 to 10 times (m / m) under stirring conditions, and stir evenly;
[0017] (2) Add the mixed solution in step (1) dropwise to 1-500 times (m / m) hydrolysis solvent at a water bath temperature of 5-95°C, and stir for 0.5-5 hours;
[0018] (3) The sol is aged for 1 hour to 15 days until it is blue-white and transparent.
[0019] The alcohol diluting solvent can be any one of absolute ethanol, ethylene glycol, and isopropanol.
[0020] The hydrolysis solvent can be deionized or distilled water.
[0021] When the mixed solution is added to the hydrolysis solvent, an inorganic acid can also be added to control the hydrolysis rate. The inorganic acid can be one of...
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