Process for producing nano titanium dioxide/diatomite composite photocatalytic material
A technology of nano-titanium dioxide and composite photocatalysis, which is applied in the direction of physical/chemical process catalysts, chemical/physical processes, catalyst activation/preparation, etc., can solve the problems of unsatisfactory advanced treatment of exhaust gas and the inability to completely remove harmful substances, etc., and achieve improvement Photocatalytic performance, ideal effect, and the effect of simplifying the preparation process
Active Publication Date: 2010-08-18
临江市宝健纳米复合材料科技有限公司
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The invention relates to a process for producing a nano titanium dioxide/diatomite composite photocatalytic material. The process comprises the following steps: purifying a diatomite raw material by using grading and acid-washing processes; synthesizing nano titanium dioxide/diatomite composite particles by adopting a hydrolysis-precipitation method through the purified diatomite serving as a carrier, titanium tetrachloride serving as a precursor and hydrochloric acid, ammonium sulfate and ammonium carbonate serving as aids; and filtering, washing, drying and burning the composite particles to form a finished product. The process can thoroughly remove harmful substances, has quite ideal effect on deep treatment of waste gas, lowers the cost and improves the photocatalytic performance.
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Property | Measurement | Unit |
Particle size | >= 43.0 | µm |
Specific surface area | 20.0 | m²/g |
Granularity | <= 45.0 | µm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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