Fenton-like catalytic material having double reactive active centers and preparation method thereof
A dual-reaction activity, catalytic material technology, applied in catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of large reaction mass transfer resistance, low utilization rate of hydrogen peroxide, etc., to improve the utilization rate , Good catalytic activity, good stability, and the effect of wide pH response range
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[0041] Example 1
[0042] A preparation method of a Fenton-like catalytic material with dual reaction active centers, including the following steps:
[0043] (1) Put 10g of urea into a corundum crucible, heat it up to 550°C at a heating rate of 5°C / min in a muffle furnace for calcination and keep it for 4 hours to obtain a powdered product carbon nitride A; then the product A Dissolve in deionized water and stir to form suspension solution B; wherein the mass fraction of product A carbon nitride is 4.5%;
[0044] (2) Take 40 mL of deionized water, add 6.0 g of aluminum nitrate nonahydrate, 0.18 g of copper nitrate trihydrate and 4.0 g of glucose, and stir for 30 minutes to form solution C;
[0045] (3) Add the suspension solution B prepared in step (1) dropwise to solution C, stir at 100r / min for 30min, then transfer it to a polytetrafluoroethylene reactor, and seal the water at 200℃ Thermal reaction for 20 h, the product was washed with water, centrifuged and dried to obtain solid D...
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[0048] Example 2
[0049] A preparation method of a Fenton-like catalytic material with dual reaction active centers, including the following steps:
[0050] (1) Put 12g of urea into a corundum crucible, heat it up to 550°C at a heating rate of 5°C / min in a muffle furnace for calcination and keep it for 4 hours to obtain a powdered product carbon nitride A; then the product A Dissolve in deionized water and stir to form suspension solution B; wherein the mass fraction of product A carbon nitride is 4.5%;
[0051] (2) Take 80 mL of deionized water, add 6.5 g of aluminum nitrate nonahydrate, 0.24 g of copper nitrate trihydrate and 4.5 g of glucose, and stir for 30 minutes to form solution C;
[0052] (3) Add the suspension solution B prepared in step (1) dropwise to solution C, stir at a rate of 120r / min for 30min, then transfer it to a polytetrafluoroethylene reactor, and seal the water at 200℃. Thermal reaction for 18 h, the product was washed with water, centrifuged and dried to obt...
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[0055] Example 3
[0056] A preparation method of a Fenton-like catalytic material with dual reaction active centers, including the following steps:
[0057] (1) Put 15g of urea into a corundum crucible, heat it up to 550°C at a heating rate of 5°C / min in a muffle furnace for calcination and keep it for 4 hours to obtain a powdered product carbon nitride A; Dissolve in deionized water and stir to form suspension solution B; wherein the mass fraction of product A carbon nitride is 3.0%;
[0058] (2) Take 60 mL of deionized water, add 7.0 g of aluminum nitrate nonahydrate, 0.35 g of copper nitrate trihydrate, and 5.0 g of glucose, and stir for 30 minutes to form solution C;
[0059] (3) Add the suspension solution B prepared in step (1) dropwise to solution C, stir at 150r / min for 30min, then transfer it to a polytetrafluoroethylene reactor, and seal the water at 200℃ Thermal reaction for 18 h, the product was washed with water, centrifuged and dried to obtain solid D;
[0060] (4) Afte...
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