Method for preparing molecular/ionic imprinting type composite photocatalyst
A technology of ion imprinting and photocatalysis, which is applied in the direction of physical/chemical process catalysts, organic compound/hydride/coordination complex catalysts, chemical instruments and methods, etc. Problems such as low photocatalytic activity can achieve the effect of improving photocatalytic activity and improving selective target recognition
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Embodiment 1
[0028] (1) The floating beads obtained by purchasing fly ash microbeads (Pingdingshan Yaomeng Power Plant) through water flotation, and then rinsing, acidifying, roasting and other treatments to obtain activated floating beads; respectively measure 10mL tetrabutyl titanate and 40mL Mix ethanol and stir the solution at a constant speed for 30 minutes, then add 1mL concentrated hydrochloric acid, 15mL distilled water and 100mL absolute ethanol drop by drop, and stir rapidly until it is in the form of a sol, that is, the prepared TiO 2 sol; the pretreated activated floating beads were immersed in TiO 2 In the sol, stir at a constant speed until it becomes uniform to gel, age at room temperature for 12 hours, and calcine in the air atmosphere, raise the temperature to 400 ° C, and keep it for 4 hours, and naturally cool to room temperature to obtain TiO 2 / floating bead-supported photocatalyst.
[0029] (2) TiO obtained in the above step (1) 2 / The mixed solution of the float...
example 2
[0033] (1) The floating beads obtained by purchasing fly ash microbeads (Pingdingshan Yaomeng Power Plant) through water flotation, and then rinsing, acidifying, roasting, etc. to obtain activated floating beads; respectively measure 10mL tetrabutyl titanate and 50mL Mix ethanol and stir the solution at a constant speed for 30 minutes, then add 1mL concentrated hydrochloric acid, 15mL distilled water and 150mL absolute ethanol drop by drop, and stir quickly until it is in the form of a sol, that is, the prepared TiO 2 sol; the pretreated activated floating beads were immersed in TiO 2 In the sol, stir at a constant speed until it becomes uniform to gel, age at room temperature for 14 hours, and calcine in the air atmosphere, raise the temperature to 500 ° C, and keep it for 6 hours, and naturally cool to room temperature to obtain TiO 2 / floating bead-supported photocatalyst.
[0034] (2) TiO obtained in the above step (1) 2 / The mixed solution of the floating bead-suppor...
example 3
[0041] (1) The floating beads obtained by purchasing fly ash microbeads (Pingdingshan Yaomeng Power Plant) through water flotation were processed by rinsing, acidification, roasting, etc. to obtain activated floating beads; 10mL tetrabutyl titanate and 70mL ethanol were pressed Mix and stir the solution at a constant speed for 30 minutes, then add 1mL of concentrated hydrochloric acid, 15mL of distilled water and 200mL of absolute ethanol drop by drop, and stir quickly until it is in the form of a sol, that is, the prepared TiO 2 sol; the pretreated activated floating beads were immersed in TiO 2 In the sol, stir at a constant speed until it becomes uniform to gel, age at room temperature for 16 hours, and calcine in the air atmosphere, raise the temperature to 600 ° C, and keep it for 8 hours, and naturally cool to room temperature to obtain TiO 2 / floating bead-supported photocatalyst.
[0042] (2) TiO obtained in the above step (1) 2 / The mixed solution of the floating...
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