Supported optical catalyst preparation method
A photocatalyst and load-type technology, applied in chemical instruments and methods, physical/chemical process catalysts, chemical/physical processes, etc., can solve the problems of poor benzene removal effect, avoid secondary pollution, realize in-situ regeneration, The effect of increasing the service life
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specific Embodiment approach 1
[0013] Specific implementation mode 1: The supported photocatalyst in this implementation mode is loaded with 1 to 5 layers of TiO on the surface 2 Granular activated carbon fibers.
[0014] SEM image of activated carbon fiber figure 1 shown.
[0015] The specific surface area of the activated carbon fiber used in this embodiment is 800-1500m 2 / g, the total pore volume is 0.35~0.65m 2 / g, the aperture is
specific Embodiment approach 2
[0016] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the surface-loaded TiO 2 The particle size of the particles is 10-13 nm. Others are the same as the first embodiment.
[0017] After testing the TiO in this embodiment 2 The particle diameter is 10-13nm, and the critical size is 13nm, so it has high activity.
specific Embodiment approach 3
[0018] Specific embodiment three: the difference between this embodiment and specific embodiment one is: the supported photocatalyst is that the surface is loaded with 2 layers of TiO 2 Granular activated carbon fibers. Others are the same as the first embodiment.
[0019] image 3 It is a scanning electron micrograph of the supported photocatalyst in this embodiment, and the surface of the supported photocatalyst is dense and smooth.
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