Polyoxometallate-based industrial dye decoloring photocatalyst and preparation method thereof
A technology of polyoxometalates and catalysts, applied in chemical instruments and methods, physical/chemical process catalysts, organic compounds/hydrides/coordination complex catalysts, etc., can solve the problem of low heteropolyacid content and uncatalyzed Effect and other issues, to achieve the effect of expanding the wavelength of absorbed light, saving costs, and improving the catalytic range
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Embodiment 1
[0027] Weigh K 5 [CuPW 11 o 39 (H 2 O)] 0.2g, (0.8mmol), silver acetate 0.07g (0.4mmol), and btp 0.09g (0.5mmol), dissolved in 12mL distilled water, stirred at room temperature for 30min. Use 1.0mol·L -1 The pH of the mixture was adjusted to 2 with HCl solution. The mixture was transferred to a Teflon-lined autoclave and crystallized at 180°C for 4 days. The reactor was cooled slowly to room temperature, and red blocky crystals were collected.
Embodiment 2
[0029] Weigh K 5 [MnPMo 11 o 39 (H 2 O)] 0.2g (0.8mmol), silver acetate 0.07g (0.4mmol), and btp 0.09g (0.5mmol), dissolved in 12mL distilled water, stirred at room temperature for 30min. Use 1.0mol·L -1 HCl solution adjusted the pH of the mixture to 3.2. The mixture was transferred to a Teflon-lined autoclave and crystallized at 160°C for 4 days. The reactor was cooled slowly to room temperature, and red blocky crystals were collected.
Embodiment 3
[0031] Weigh K 5 [MnPMo 11 o 39 (H 2 O) 2 ]0.2g (0.8mmol), copper acetate 0.08g (0.4mmol), and btp 0.09g (0.5mmol), dissolved in 12mL of distilled water, stirred at room temperature for 30min. Use 1.0mol·L -1 HCl solution adjusted the pH of the mixture to 4.2. The mixture was transferred to a Teflon-lined reactor and crystallized at 150 °C for 4 days. The reactor was slowly cooled to room temperature, and blue flaky crystals were collected.
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