Method for supporting nano titanic oxide on surface of carrier material
A technology of nano-titanium dioxide and carrier materials, applied in chemical instruments and methods, nanotechnology, nanotechnology, etc., can solve the problems of nanoparticle erosion and difficult control, and achieve the best performance effect
Inactive Publication Date: 2009-07-22
SOUTHEAST UNIV
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The invention provides a method for loading nanometer titanium dioxide on the surface of a carrier material. The method is characterized in that: the carrier material is washed; by using a silicasol solution with the weight percentage of between 5 and 25 percent, a binder coating is prepared on the surface of the carrier; and the binder coating is sprayed with a nanometer TiO2 ethanol suspension, so that the nanometer TiO2 is loaded on the surface of the carrier material. Because the binder is coated first, and then the nanometer TiO2 material is adhered to the surface of the carrier, the nudity of the nanometer particle is ensured maximally. The coating of the binder and the adhesion of the photocatalyst are completed by different working procedures, the distribution condition of the binder on the carrier surface and the loading capacity of the catalyst can be adjusted more easily as required, so that the best performance is achieved.
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