Bimetal supported magnetic visible-light composite catalytic material, and preparation method and application thereof
A composite catalytic material, catalytic material technology, applied in chemical instruments and methods, organic compound/hydride/coordination complex catalysts, physical/chemical process catalysts, etc. Small specific surface area, etc., to achieve the effect of large adsorption capacity, good load stability, and high specific surface area
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Embodiment 1
[0028] Weigh 15g urea and dissolve it in 50mL water, add 0.4g Fe 3 o 4 , sonicated for 4 hours to make Fe 3 o 4 Disperse evenly, heat slowly to volatilize the solvent until half-dry, then put it into an oven and control the temperature at 70°C for 24 hours, then put the obtained mixture powder into a tube furnace, under the protection of nitrogen, with each Raise the temperature at a rate of 5°C per minute to 550°C for 3 hours to obtain Fe 3 o 4 -g -C 3 N 4 , and Fe 3 o 4 -g -C 3 N 4 with 0.5g Fe(NO 3 ) 3 , 0.5g ZrCl 4 , 0.5g terephthalic acid was dissolved in 48mL DMF, ultrasonically dispersed evenly, in a programmed temperature rise furnace, the temperature was raised and controlled at 100°C for 24 hours to obtain a bimetallic supported magnetic visible light composite catalytic material Fe 3 o 4 -g -C 3 N 4 @Fe / Zr-MOF 3.0g. Based on the mass of the carrier Fe / Zr-MOF, Fe 3 o 4 The doping amount is 8%, g-C 3 N 4 The load capacity is 120%.
Embodiment 2
[0030] Weigh 15g urea and dissolve it in 50mL water, add 0.4g Fe 3 o 4 , sonicated for 4 hours to make Fe 3 o 4 Disperse evenly, heat slowly to volatilize the solvent until half-dry, put the mixture powder into the tube furnace after putting it into an oven and control the temperature at 80°C for 20 hours Calcined at a rate of 5°C to 600°C for 4 hours to obtain Fe 3 o 4 -g -C 3 N 4 , the Fe 3 o 4 -g -C 3 N 4 with 0.25g Fe(NO 3 ) 3 , 0.5gZrCl 4 , 0.5g of terephthalic acid was dissolved in 50mL of DMF, ultrasonically dispersed evenly, in a temperature-programmed furnace, the temperature was controlled at 150°C and heated for 20 hours to obtain a bimetallic-loaded magnetic-visible light composite catalytic material Fe 3 o 4 -g -C 3 N 4 @Fe / Zr-MOF3.2g. Based on the mass of the carrier Fe / Zr-MOF, Fe 3 o 4 The doping amount is 7.8%, g-C 3 N 4 The loading capacity is 125%.
Embodiment 3
[0032] Weigh 15g urea and dissolve it in 50mL ethanol, add 0.4g Fe 3 o 4 , sonicated for 3 hours to make Fe 3 o 4 Fully disperse and evenly, then heat slowly to make the volatile solvent semi-dry, then put it into the oven and control the temperature at 80°C for 20 hours, then put the obtained mixture powder into the tube furnace, under nitrogen Under protection, the temperature was raised to 450°C at a rate of 10°C per minute and calcined for 4 hours to obtain Fe 3 o 4 -g -C 3 N 4 , and then the obtained Fe 3 o 4 -g -C 3 N 4 with 0.5g Fe(NO 3 ) 3 , 1.0g ZrCl 4 Dissolve 1.0g of terephthalic acid in 50mL of anhydrous methanol, disperse evenly by ultrasonic, and heat in a temperature-programmed furnace at 200°C for 15 hours to obtain a bimetallic-loaded magnetic-visible light composite catalytic material Fe 3 o 4 -g -C 3 N 4 @Fe / Zr-MOF3.8g. Based on the mass of the carrier Fe / Zr-MOF, Fe 3 o 4 The doping amount is 6.0%, g-C 3 N 4 The loading amount is 105%. ...
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