Method for preparing Fenton-like reaction catalyst and application thereof
A Fenton reaction and catalyst technology, applied in molecular sieve catalysts, chemical instruments and methods, physical/chemical process catalysts, etc., can solve problems such as substandard discharge water, improve COD removal rate, reduce pollution, and meet wastewater discharge requirements. Effect
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[0028] Example one
[0029] This embodiment relates to a Fenton-like reaction catalyst and a preparation method thereof.
Example Embodiment
[0030] Example 1.1
[0031] In this example, the following method was used to prepare Fenton-like reaction catalyst:
[0032] The nano-sized Fe with a particle size of less than 500nm 3 O 4 Powder and pseudo-boehmite powder according to Fe 3 O 4 :Al 2 O 3 Mix with mass ratio 7:3, add about Fe 3 O 4 1% of the total mass of the powder and pseudo-boehmite powder, the surfactant ethylenediaminetetraacetic acid, stir evenly, and then add about Fe 3 O 4 3% of the total mass of the powder and pseudo-boehmite powder, the binder sodium carboxymethyl cellulose, is formed into spherical, columnar or clover-shaped particles, and finally calcined at 230°C to obtain a particle size of 10-40 mesh. Fenton reaction catalyst.
Example Embodiment
[0033] Example 1.2
[0034] In this example, the following method was used to prepare Fenton-like reaction catalyst:
[0035] The α-Fe with a nanometer particle size less than 500nm 2 O 3 Powder and γ-Al 2 O 3 Carrier powder press α-Fe 2 O 3 :γ-Al 2 O 3 Mix by mass ratio 2:1, add about α-Fe 2 O 3 Powder and γ-Al 2 O 3 Surfactant polyethylene glycol (polyethylene glycol molecular weight below 1000) of the total mass of the powder, stir evenly, and then add about Fe 3 O 4 Powder and pseudo-boehmite powder with 2% of the total mass of the binder carboxymethyl cellulose, formed into spherical, columnar or clover-shaped particles, and finally calcined at 350°C to obtain a fennel with a particle size of 10-40 mesh Dayton reaction catalyst.
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