Preparation method, product and application of supported ozone catalyst
A catalyst, supported technology, applied in chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, etc., can solve the problem of low adsorption performance, catalyst falling off, catalyst and carrier combination Insufficient and other problems, to achieve the effect of speeding up the speed, improving the bonding force, and not easy to fall off
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Embodiment 1
[0027] (1) Mix zinc diacetate and ethanol at a mass ratio of 1:200 to obtain a zinc diacetate alcohol solution. The modified activated carbon was immersed in the zinc diacetate alcohol solution for 0.5 h, and the activated carbon was taken out and dried in an oven at 80 °C for 2 h, then impregnated and then dried, repeated three times, and finally calcined in a muffle furnace at 300 °C for 4 h, namely Obtain the catalyst support of zinc oxide thin film on the surface;
[0028] (2) Potassium permanganate and water were mixed at a mass ratio of 1:250, and then ultrasonically dissolved to obtain potassium permanganate solution; the catalyst carrier loaded with zinc oxide film and potassium permanganate solution were transferred to a 20 mL liner Seal it in a polytetrafluoroethylene stainless steel reaction kettle, put it in an oven, heat it to 120 °C for 4 h, and then cool it naturally to room temperature to obtain the product. After the product was washed three times with deioni...
Embodiment 2
[0031] (1) Mix zinc diacetate and ethanol at a mass ratio of 1:250 to obtain a zinc diacetate alcohol solution. The modified activated carbon was immersed in the zinc diacetate alcohol solution for 1 h, and the activated carbon was taken out and baked in an oven at 90 °C for 1.5 h, then impregnated and then dried, repeated three times, and finally calcined in a muffle furnace at 350 °C for 3 h, namely Obtain the catalyst support of zinc oxide thin film on the surface;
[0032] (2) Potassium permanganate and water were mixed at a mass ratio of 1:300, and then ultrasonically dissolved to obtain potassium permanganate solution; the catalyst carrier loaded with zinc oxide film and potassium permanganate solution were transferred to a 20 mL liner Seal it in a polytetrafluoroethylene stainless steel reaction kettle, put it in an oven, heat it to 140 °C for 3.5 h, and then cool it naturally to room temperature to obtain the product. After the product was washed three times with deio...
Embodiment 3
[0035] (1) Mix zinc diacetate and ethanol at a mass ratio of 1:300 to obtain a zinc diacetate alcohol solution. Immerse the modified activated carbon in the zinc diacetate alcohol solution for 1.5 h, take out the activated carbon and dry it in an oven at 100 °C for 1 h, then impregnate it and dry it again, repeat this process for 3 times, and finally calcinate it in a muffle furnace at 400 °C for 2 h, that is Obtain the catalyst support of zinc oxide thin film on the surface;
[0036] (2) Potassium permanganate and water were mixed at a mass ratio of 1:150, and then ultrasonically dissolved to obtain potassium permanganate solution; the catalyst carrier loaded with zinc oxide film and potassium permanganate solution were transferred to a 20 mL liner Seal it in a polytetrafluoroethylene stainless steel reaction kettle, put it in an oven, heat it to 150 °C for 3 h, and then cool it naturally to room temperature to obtain the product. After the product was washed three times wit...
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