Metal-doped high molecular material and preparation method thereof and application thereof to ammonia nitrogen removal
A polymer material and metal doping technology, applied in the field of metal doped polymer materials, can solve the problems of low chemical efficiency, poor effect, secondary pollution, etc., and achieve the effect of strong adsorption selectivity, simple process and convenient regeneration
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[0040] The preparation method of the metal-doped polymer material provided by the present invention comprises:
[0041] a. Mix the water phase comprising water, dispersant and auxiliary dispersant with the oil phase comprising the -C=C-organic compound, -C=C-containing organic compound and initiator, and add a pore forming agent , carry out suspension polymerization to make matrix polymer,
[0042] The weight ratio components contained in the water phase are water: dispersant: auxiliary dispersant = 800~1000: 0.5~3.0: 0.05~0.2, and the weight ratio components contained in the oil phase are organic compounds containing -C=C-: containing -C =C-...-C=C-organic compound: initiator=0.75~0.98:0.02~0.25:0.003~0.01, the weight ratio of oil phase and water phase is 1:4~6, the weight of pore forming agent accounts for water 10% to 20% of the sum of the weight of phase and oil phase.
[0043] The dispersant is one or both of inorganic dispersant or organic dispersant, the inorganic dispe...
Embodiment 1
[0060] (1) Polymerization: Add 18 liters of pure water into a 50-liter polymerization kettle, heat to 45°C, add 10g of magnesium carbonate, 20g of gelatin and 0.15g of methylene blue under stirring, and add 3kg of formazan after stirring. Base styrene, 1kg dipentene, 20g benzoyl peroxide mixed oil phase, then add paraffin 2.6kg. Close the reactor, feed clean compressed air into the reactor, and keep the gas phase pressure in the reactor at 0.02MPa. Start the stirring, adjust the liquid beads to an appropriate particle size, raise the temperature to 80°C, keep warm for 12 hours, then raise the temperature to 100°C, keep warm for 20h, filter, wash, dry, and sieve to obtain 2.35kg of white balls with a particle size of 0.5-0.8mm.
[0061] (2) Amination: Add the spheres obtained after polymerization into a 50-liter reaction kettle, add 10 kg of chloromethyl ether, control the temperature at 60° C., stir for 6 hours, then add 10 liters of water and 5 kg of trimethylamine into the k...
Embodiment 2
[0065] (1) Polymerization: Add 20 liters of pure water into a 50-liter polymerization kettle, heat to 40°C, add 10g of calcium carbonate, 20g of polyvinyl alcohol and 0.15g of petroleum calcium sulfonate under stirring, and add 3kg Propylene, 1 kg of isoprene, 20 g of azobisisobutyronitrile are mixed into an oil phase, and then 3.6 kg of glycerin is added. Close the reactor, feed clean compressed air into the reactor, and keep the gas phase pressure in the reactor at 0.04MPa. Start the stirring, adjust the liquid beads to an appropriate particle size, raise the temperature to 80°C, keep warm for 12 hours, then raise the temperature to 100°C, keep warm for 20h, filter, wash, dry, and sieve to obtain 2.67kg of white balls with a particle size of 0.5-0.8mm.
[0066] (2) Sulfonation: Put the sphere obtained after polymerization into a 50-liter reaction kettle, add 10kg of sulfur trioxide, raise the temperature to 110°C, keep it warm for 16 hours, cool down, slowly add pure water d...
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