Method for preparing cubic structured zinc stannate photocatalyst responding to sunshine
A technology of structural zinc stannate and photocatalyst, applied in chemical instruments and methods, physical/chemical process catalysts, metal/metal oxide/metal hydroxide catalysts, etc., can solve the problem of low utilization efficiency and limit the industrial application of nano-TiO2 and other problems, to achieve the effect of high degradation efficiency
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[0011] Example 1
[0012] Put 2.1036g SnCl 4 ·5H 2 O was dissolved in 30mL ethanol to obtain solution A; 0.8178g ZnCl 2 Dissolve in 60mL of water to obtain solution B; mix solution A and solution B and adjust the pH of the mixed system to 3 with 2mol / L sodium hydroxide solution, then filter, wash and dry the mixed solution to obtain zinc stannate photocatalyst , The zinc stannate photocatalyst has been irradiated by natural sunlight for 5 hours, and the removal rate of methylene blue is 11.05%.
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[0013] Example 2
[0014] 2.1036g SnCl 4 ·5H 2 O was dissolved in 30mL ethanol to obtain solution A; 0.8178g ZnCl 2 Dissolve in 60mL water to obtain solution B; after mixing solution A and solution B, adjust the pH of the mixed system to 7 with 2mol / L sodium hydroxide solution, and then filter, wash and dry the mixed solution to obtain zinc stannate photocatalyst , The zinc stannate photocatalyst has been irradiated by natural sunlight for 5 hours, and the removal rate of methylene blue is 11.05%.
Example Embodiment
[0015] Example 3
[0016] 2.1036g SnCl 4 ·5H 2 O was dissolved in 30mL ethanol to obtain solution A; 0.8178g ZnCl 2 Dissolve in 60mL water to obtain solution B; mix solution A and solution B and adjust the pH of the mixed system to 9 with 2mol / L sodium hydroxide solution, then filter, wash and dry the mixed solution to obtain zinc stannate photocatalyst , The zinc stannate photocatalyst has been irradiated by natural sunlight for 5 hours, and the removal rate of methylene blue is 42.29%.
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