Ozone decomposition catalyst and preparation method thereof
A technology of ozone decomposition and catalyst, which is applied in the direction of catalyst activation/preparation, separation methods, chemical instruments and methods, etc. It can solve the problems of poor moisture resistance, short service life, and unstable performance, etc., and achieve strong moisture resistance and use The effect of long life and stable performance
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Embodiment 1
[0024] Prepare a potassium permanganate solution with a concentration of 0.01mol / L, take 116ml of a potassium permanganate solution with a concentration of 0.01mol / L and add it to 10L of deionized water, and adjust the pH value to 11.5;
[0025] Prepare a manganese sulfate solution with a concentration of 0.01mol / L, and add 175ml of a manganese sulfate solution with a concentration of 0.01mol / L under vigorous stirring into the above-mentioned potassium permanganate solution that has been mixed uniformly to form a sol;
[0026] Put 20g of granular activated carbon with a diameter of about 3mm and a bulk density of 0.5g / ml into the sol, stir slowly until the supernatant becomes colorless, pour off the supernatant, and dry at 100°C for 24 hours to obtain a well-loaded Granular manganese activated carbon catalyst.
[0027] Prepare a ferric chloride solution with a concentration of 0.072mol / L, and add the prepared ferric chloride solution to the above-mentioned manganese activated ...
Embodiment 2
[0030] Prepare a potassium permanganate solution with a concentration of 0.01mol / L, take 73ml of a potassium permanganate solution with a concentration of 0.01mol / L and add it to 10L of deionized water, and adjust the pH value to 11.5;
[0031] Prepare a manganese sulfate solution with a concentration of 0.01mol / L, and add 109ml of manganese sulfate solution with a concentration of 0.01mol / L under vigorous stirring to the above-mentioned potassium permanganate solution that has been mixed uniformly to form a sol;
[0032] Put 20g of granular activated carbon with a diameter of about 3mm and a bulk density of 0.5g / ml into the sol, stir slowly until the supernatant becomes colorless, pour off the supernatant, and dry at 100°C for 24 hours to obtain a well-loaded Granular manganese activated carbon catalyst.
[0033] Prepare a ruthenium trichloride solution with a concentration of 0.046mol / L, add the prepared ruthenium trichloride solution to the above-mentioned manganese activat...
Embodiment 3
[0036] Prepare a manganese acetate solution with a concentration of 0.046mol / L, and add the manganese acetate solution to 20g of granular activated carbon with a diameter of about 3mm and a bulk density of 0.5g / ml until the liquid surface is immersed in the activated carbon;
[0037] After ultrasonic homogenization, it was left to stand for 24 hours, then dried at 105°C for 24 hours, and then calcined at 300°C for 3 hours to obtain a manganese activated carbon catalyst.
[0038] Preparation concentration is the copper acetate solution of 0.09mol / L, adds the prepared copper acetate solution in the above-mentioned manganese activated carbon catalyst, until the liquid level just immerses the above-mentioned manganese activated carbon catalyst;
[0039] After ultrasonic uniformity, let stand for 24 hours, dry and dry at 105°C for 24 hours, and calcined at 300°C for 3 hours to obtain a manganese-copper activated carbon composite catalyst, in which the manganese and copper loadings a...
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