A kind of manufacture method of fibrous heterogeneous fenton reaction catalyst
A manufacturing method and technology for catalysts, which are applied in catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of secondary pollution of iron ions, application restrictions, and difficulty in recycling powder catalysts, and achieve iron ions. The effect of reducing the elution volume, reducing the cost of use, and being less prone to secondary pollution
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Embodiment 1
[0037]Weigh two parts of acrylic acid, the masses are 11.6667g and 33.3333g respectively, put them in suitable beakers a and b, weigh 5g of hydroxyethyl methacrylate, pour the hydroxyethyl methacrylate into the above beaker a , Weigh 0.0833g of benzoyl peroxide, add it to the above beaker a, stir until the benzoyl peroxide is completely dissolved in the monomer, weigh 0.1667g of benzoyl peroxide again, and add it to the beaker b , stir until the initiator is completely dissolved in the monomer, weigh 50g of deionized water, slowly add it to the above-mentioned beaker a, stir to make the liquid in the beaker a evenly mixed, and then transfer the mixed system to the polymerization tank, Introduce nitrogen to exhaust the residual air in the polymerization kettle, start stirring, and turn on the heating system of the polymerization kettle. When the temperature of the liquid in the polymerization kettle rises to 85°C, add the solution in beaker b to the polymerization kettle drop by...
Embodiment 2
[0040] The technical process and parameters of this embodiment are the same as in Example 1, only the thermal crosslinking time is changed from 30min in Example 1 to 15min.
[0041] Take 10ml of methylene blue aqueous solution with a concentration of 20mg / L, add 2μl of hydrogen peroxide, and pass through ozone for 1min, place the fibrous heterogeneous Fenton reaction catalyst in the above solution, and the removal rate of methylene blue within 1min is 97%; at this time, the fibrous The heterogeneous Fenton reaction catalyst was quickly taken out from the methylene blue aqueous solution, placed in a vacuum dryer, and dried at 40°C for 1.5h, took 10ml of the methylene blue aqueous solution with a concentration of 20mg / L, added 2μl of hydrogen peroxide, and injected ozone for 1min, and the reaction was completed. The fibrous heterogeneous Fenton reaction catalyst catalyzed and dried for the first time is placed in the above solution, and the removal rate of methylene blue reaches ...
Embodiment 3
[0043] The technical process and parameters of this embodiment are the same as in Example 1, only the thermal crosslinking time is changed from 30min in Example 1 to 25min.
[0044] Take 10ml of methylene blue aqueous solution with a concentration of 20mg / L, add 2μl of hydrogen peroxide, and pass through ozone for 1min, place the fibrous heterogeneous Fenton reaction catalyst in the above solution, and the removal rate of methylene blue within 1min is 97%; at this time, the fibrous The heterogeneous Fenton reaction catalyst was quickly taken out from the methylene blue aqueous solution, placed in a vacuum dryer, and dried at 40°C for 1.5h, took 10ml of the methylene blue aqueous solution with a concentration of 20mg / L, added 2μl of hydrogen peroxide, and injected ozone for 1min, and the reaction was completed. The fibrous heterogeneous Fenton reaction catalyst catalyzed and dried for the first time is placed in the above solution, and the removal rate of methylene blue reaches ...
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