Ultra-dispersed photocatalyst and preparation method and application thereof
A photocatalyst and ultra-dispersion technology, applied in chemical instruments and methods, physical/chemical process catalysts, organic compounds/hydrides/coordination complex catalysts, etc. Problems such as high cost, achieve the effect of large-scale production and canning, low production cost and convenient operation
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Embodiment 1
[0050] The ultra-dispersed photocatalyst of the present embodiment comprises the following components by weight:
[0052] Titanium dioxide 2g
[0053] Dispersant 10g
[0054] Due to the large surface energy of nano-titanium dioxide, it is easy to agglomerate, and the particle sizes of the agglomerated particles are all different and within a certain range. The particles formed by the agglomeration of titanium dioxide in this embodiment have a primary particle size of 10-25 nm and a secondary particle size of less than 100 nm.
Embodiment 2
[0056] The main technical solution of this embodiment is basically the same as that of Embodiment 1, and the features not explained in this embodiment are explained in Embodiment 1, and will not be repeated here. The ultra-dispersed photocatalyst of the present embodiment comprises the following components by weight:
[0057] Alcohol solvent 110g
[0058] Titanium dioxide 6g
[0059] Dispersant 14g
[0060] The primary particle size of titanium dioxide is 30-50nm, and the secondary particle size is less than 90nm.
Embodiment 3
[0062] The main technical solution of this embodiment is basically the same as that of Embodiment 1, and the features not explained in this embodiment are explained in Embodiment 1, and will not be repeated here. The ultra-dispersed photocatalyst of the present embodiment comprises the following components by weight:
[0063] Alcohol solvent 100g
[0064] Titanium dioxide 4g
[0065] Dispersant 12g
[0066] The primary particle size of titanium dioxide is 25-30nm, and the secondary particle size is less than 80nm.
[0067] When the initial temperature is 800k, the catalytic effects of embodiment 1, implementation 2 and embodiment 3 on diesel and methanol binary fuel system are shown in Table 1:
[0068] Table 1
[0069]
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