A kind of composite carrier containing activated carbon and preparation method thereof
A technology of composite carrier and activated carbon, which is applied in the direction of catalyst carrier, chemical instrument and method, physical/chemical process catalyst, etc., can solve the problem of weakening catalytic performance, and achieve the effect of facilitating adsorption and activation, increasing the ratio, and avoiding secondary pollution
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Embodiment 1
[0043] Add 100g of activated carbon powder to 300g of calcium gluconate solution with a mass fraction of 16%, stir slowly, and soak for 4 hours; slowly add 225mL of ammonium carbonate solution with a concentration of 0.5mol / L dropwise under stirring to form a calcium carbonate precipitate, stir, Stand still for 2 hours, filter, dry at 80°C for 12h, and bake at 900°C for 3 hours under the protection of nitrogen to obtain the activated carbon-calcium oxide composite. Add the obtained complex to 200g of distilled water, heat it to 90°C in a water bath, quickly add 0.067moL of phosphoric acid dropwise, then add ammonia water to adjust the pH to 9.5, stir for 2 hours, and let stand for 2 hours; Roasting for 4 hours under the protection of nitrogen, the composite carrier A1 of activated carbon and basic calcium phosphate was obtained, and the properties of the composite carrier are shown in Table 1.
[0044] The obtained carrier A1 was impregnated with an equal volume of copper nitr...
Embodiment 2
[0046] Add 100g of activated carbon powder to 300g of L-calcium lactate solution with a mass fraction of 16%, stir slowly, and soak for 4 hours; slowly add 200mL of sodium carbonate solution with a concentration of 0.8mol / L dropwise under stirring to form a calcium carbonate precipitate, stir, Stand still for 2 hours, filter, dry at 80°C for 12h, and bake at 1100°C under nitrogen protection for 3 hours to obtain the activated carbon-calcium oxide composite. Add the obtained complex into 200g of distilled water, heat it in a water bath to 90°C, quickly add 0.1moL of phosphoric acid dropwise, then add sodium hydroxide to adjust the pH to 10, stir for 2 hours, and let it stand for 2 hours; filter, dry at 70°C for 8h, and Calcined at 170° C. for 4 hours under the protection of helium to obtain the composite carrier A2 of activated carbon and basic calcium phosphate. The properties of the composite carrier are shown in Table 1.
[0047] The obtained carrier A2 was impregnated with ...
Embodiment 3
[0049] Add 50g of activated carbon powder to 200g of calcium gluconate solution with a mass fraction of 18%, stir slowly, and soak for 4 hours; slowly add 280mL of sodium hydroxide solution with a concentration of 0.6mol / L dropwise under stirring to form calcium hydroxide precipitate, Stir, stand still for 2 hours, filter, dry at 80°C for 12h, and bake at 1100°C under nitrogen protection for 3 hours to obtain the activated carbon-calcium oxide composite. Add the obtained complex to 200g of distilled water, heat it to 90°C in a water bath, quickly add 0.051moL of phosphoric acid dropwise, then add potassium hydroxide to adjust the pH to 10.5, stir for 2 hours, and let stand for 2 hours; filter, dry at 70°C for 8h, and Calcined at 150° C. for 6 hours under the protection of nitrogen to obtain the composite carrier A3 of activated carbon and basic calcium phosphate. The properties of the composite carrier are shown in Table 1.
[0050] The obtained carrier A3 was impregnated with...
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