A kind of preparation method of titanate, titanic acid and titanium dioxide
A technology of titanate and titanic acid, which is applied in the direction of titanium dioxide, alkali metal titanate, chemical instruments and methods, etc., can solve the problems of difficult recovery of nano-photocatalysts, low tap density of nano-materials, and lack of nano-material electrodes. , to achieve the effects of easy large-scale industrial production, easy control of process parameters, and low price
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Embodiment 1
[0050] Please refer to figure 1 , under stirring conditions, disperse 0.5 g of titanium sulfate in 50 ml of deionized water, hydrolyze at room temperature to form hydrated titanic acid precipitate, centrifuge the above hydrated titanic acid precipitate, wash with 50 ml of deionized water three times, and centrifuge to obtain Hydrated titanic acid precipitates after washing. The hydrated titanic acid precipitate after washing was dispersed in 40 ml of an aqueous solution with a concentration of sodium hydroxide of 1 mole per liter and a concentration of hydrogen peroxide of 2%. After stirring for 1 hour, the mixed solution was transferred to a hydrothermal kettle, heated to 150° C., and kept at a constant temperature for 12 hours to prepare sea urchin-like sodium titanate with nano-micro hierarchical structure. The sea urchin-like sodium titanate solid was transferred to a beaker, ultrasonically dispersed, washed 5 times with deionized water, and centrifuged. Then add 0.01 mo...
Embodiment 2
[0059] Please refer to figure 1 , under stirring conditions, disperse 0.5 g of titanium sulfate in 50 ml of deionized water, hydrolyze at room temperature to form hydrated titanic acid precipitate, centrifuge the above hydrated titanic acid precipitate, wash with 50 ml of deionized water three times, and centrifuge to obtain Hydrated titanic acid precipitates after washing. The hydrated titanic acid precipitate after washing was dispersed in 40 ml of an aqueous solution with a concentration of sodium hydroxide of 1 mole per liter and a concentration of hydrogen peroxide of 2%. After stirring for 1 hour, the mixed solution was transferred to a hydrothermal kettle, heated to 150° C., and kept at a constant temperature for 12 hours to prepare sea urchin-like sodium titanate with nano-micro hierarchical structure. The sea urchin-like sodium titanate solid was transferred to a beaker, ultrasonically dispersed, washed 3 times with deionized water, and centrifuged. Then add 0.01 mo...
Embodiment 3
[0061] Please refer to figure 1 , under stirring conditions, disperse 1 gram of titanium sulfate in 50 ml of deionized water, hydrolyze at room temperature to form hydrated titanic acid precipitate, centrifuge the above hydrated titanic acid precipitate, wash with 50 ml of deionized water for 5 times, and centrifuge to obtain Hydrated titanic acid precipitates after washing. The hydrated titanic acid precipitate after washing was dispersed in 40 ml of an aqueous solution with a potassium hydroxide concentration of 2 moles per liter and a hydrogen peroxide concentration of 6%. After stirring for 1 hour, the mixed solution was transferred to a hydrothermal kettle, heated to 150° C., and kept at a constant temperature for 12 hours to prepare sea urchin-like potassium titanate with nano-micro hierarchical structure. The urchin-like potassium titanate solid was transferred to a beaker, ultrasonically dispersed, washed 5 times with deionized water, and centrifuged. Then add 0.1 mo...
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