A kind of preparation method of ion exchange resin-based carbon material
An ion-exchange resin and ion-exchange technology are applied in nanotechnology, chemical instruments and methods, and carbon compounds for materials and surface science, and can solve problems such as large differences in raw materials and difficulty in large-scale production of emerging carbon materials, and achieve Consistent, source-rich effects
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Embodiment 1
[0024] Put the pretreated ion exchange resin of model 732 into ferric nitrate with a concentration of 0.001 mol / L, stir it magnetically for 30 minutes, soak it for 24 hours, filter it, wash it with deionized water, and dry it in vacuum at 120°C for 24 hours; take the obtained resin and put it into a tube In the furnace, under the protection of 20ccm Ar, rise to 900°C at 2°C / min, keep warm for 0.1 hour, and then cool down to room temperature naturally; take 10g of carbonized sample, add 20g KOH, crush and sieve, put it into a tube furnace, 100ccm N 2 Under protection, the temperature was raised to 950°C at 5°C / min, kept for 2 hours, and then cooled down to room temperature naturally to obtain nano-carbon materials, which were applied in the field of environmental protection, and the adsorption amount of Congo red was 350 mg / g.
Embodiment 2
[0026] Put the pretreated ion exchange resin of model D318 into sodium nitrate with a concentration of 2 mol / L, stir it magnetically for 60 minutes, soak it for 5 hours, filter it, wash it with deionized water, and dry it in vacuum at 90°C for 24 hours; take 10 g of the obtained resin, add 1 g of ZnCl 2 , mixed evenly and put into a tube furnace, under 300ccm water vapor, 10 ℃ / min to 700 ℃, heat preservation for 2 hours, and then naturally lowered to room temperature to obtain nano-carbon materials, which can be used in the field of environmental protection to absorb magenta The amount is 550 mg / g.
Embodiment 3
[0028] Put the pretreated ion exchange resin of model D001 into nickel acetate with a concentration of 0.05 mol / L, stir it magnetically for 30 minutes, soak it for 24 hours, filter it, wash it with deionized water, and dry it in vacuum at 120°C for 24 hours; take the obtained resin and put it into a tube In the furnace, under the protection of 300ccm Ar, rise to 1050°C at 30°C / min, keep warm for 5 hours, and then cool down to room temperature naturally; take 10g of carbonized sample, add 80g H 3 PO 4 , crushed and sieved, put into a tube furnace, under the protection of 100ccm helium, 5 ℃ / min to 1050 ℃, keep warm for 5 hours, and then naturally cool down to room temperature to obtain nano-carbon materials, which are used in the field of environmental protection. The amount of methylene blue adsorbed was 345 mg / g.
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