Preparation method of formaldehyde-photodegrading honeycomb activated carbon
A technology of honeycomb activated carbon and photodegradation, which is applied in separation methods, chemical instruments and methods, and separation of dispersed particles, etc. It can solve the problems of inhibiting commercial production, low adsorption capacity, increasing catalyst cost and environmental load, and achieves good catalytic degradation. High performance, good adsorption performance, and low production cost
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[0023] Example 1:
[0024] Add 10.0g of black material (5 parts of polyether 4110, 0.2 parts of rigid foam silicone oil, 0.08 parts of water, 0.006 parts of pentamethyldiethylenetriamine, 4 parts of dichlorofluoroethane into the cellophane mold, 0.2 parts of cycloethylamine mixture), 2.0g powdered activated carbon, stirred at 150r / min for 60s, add 7.0g white material, increase the speed to 600r / min until it foams freely, and aging for 12h at room temperature. After molding, heat treatment at 350℃ for 1h in a muffle furnace to obtain honeycomb activated carbon.
[0025] P-25 type TiO 2 Nano particles are dispersed into a suspension with a concentration of 1% by ultrasonic dispersion. The honeycomb activated carbon is immersed in the suspension for a period of time, and then placed in an oven for heat treatment until it is completely dry to obtain a P-25 / activated carbon composite material.
[0026] Hang the prepared P-25 / activated carbon composite material in a self-made photocatalyt...
Example Embodiment
[0027] Example 2:
[0028] Add 10.0g black material (6 parts of polyether 4110, 0.1 parts of rigid foam silicone oil, 0.08 parts of water, 0.008 parts of pentamethyldiethylenetriamine, 4 parts of dichloromonochloroethane into the cellophane mold, 0.2 parts of cycloethylamine mixture), 4.0g powdered activated carbon, 200r / min rotation speed after stirring for 50s, add 9.0g white material, increase the rotation speed to 500r / min until it foams freely, let it be cured at room temperature for 20h After molding, heat treatment at 450°C in a muffle furnace for 1 hour to obtain honeycomb activated carbon.
[0029] P-25 type TiO 2 Nano particles are dispersed into a suspension with a concentration of 1.5% by ultrasonic dispersion. The honeycomb activated carbon is immersed in the suspension for a period of time, and then placed in an oven for heat treatment until it is completely dry to obtain a P-25 / activated carbon composite material.
[0030] Hang the prepared P-25 / activated carbon compo...
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