Preparation method and application of nano CeZnOx doped porous carbon nitride hydrogel particles
A porous carbon nitride, carbon hydrogel technology, applied in chemical instruments and methods, special compound water treatment, light water/sewage treatment, etc., can solve problems such as low catalytic efficiency, secondary pollution, and reduced redox efficiency, etc. Achieve the effect of improving photocatalytic efficiency, simple and efficient technology, and low operating cost
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Embodiment 1
[0033] Nano CEZNO x Preparation of sodium alginate hydrogel: 2G CE (NO 3 )2 With Zn (NO 3 ) 2 Mass mole is placed in the ground, fully ground, to obtain a milky white viscous, is placed in the muffle furnace, the sintering temperature is 500 degrees, the temperature rise rate is 5 degrees per minute, the sintering time is 2 h, resulting in a light yellow solid. The microscopic morphology of the solid was observed by SEM. image 3 As shown, it is a ball shape. CEZNO x EDS energy Figure 4 As shown, you can see CEZNO x CE, Zn and O are the main elements, without other elements.
[0034] Pull yellow cezno x The carbon nitride dispersion was placed, stirred, ultrasonic; poured into the mixture in the mixed liquid, sufficiently stirred, ultrasonic; mixed liquid to obtain a viscous precursor; Put the previous fluid figure 1 In the injection tube of the automatic extrusion device, the set extrusion rate is 100 mL / h, and the needle size is adjusted as needed, the resulting gel particle si...
Embodiment 2
[0037] Preparation of Sodium Hydrogel of Porous Nitride: Polycyrylamine and trimeric acid mass molar ratio 1: 1-2: 1 were dispersed in 100 ml of deionized water, stirred for 24 h, drying to obtain a white solid as a porous Nitride precursor. Placed in the grinding and grind the fine particles. The white porous nitride precursor was placed in a tubular furnace under nitrogen protection, the sintering temperature was 550 degrees, the temperature increase rate was 5 degrees per minute, the sintering time was 4 h, and the yellow solid porous nitride was obtained; will be light Yellow porous nitride is dispersed in a 5 g Sa (6%) solution, stirred well, ultrason; mixture is concentrated at 80 degrees to obtain a viscous precursor; put the front flux liquid figure 1 In the injection tube of the automatic extrusion device, the set extrusion rate is 100 mL / h, and the needle size is adjusted as needed, the resulting gel particle size ranges from 3 to 8 mm; the resulting gel particles are ...
Embodiment 3
[0040] Nano CEZNO x Preparation of sodium porous nitride alginate hydrogel: 300 mg of porous nitride prepared in the above manner was dispersed in 50 ml of deionized water, and stirred thoroughly for 2 h, ultrasonic 1h. Pull yellow cezno x In the above-mentioned carbon nitride dispersion, stirred for 2 h, ultrasonic 1H; pour 5 g of Sa (6%) solution into the mixed liquid, stirred for 2 h, ultrasonic 1H; mixture is concentrated at 80 degrees, resulting Viscous forward fluid; put the previous fluid into figure 1 In the injection tube of the automatic extrusion device, the set extrusion rate is 100 mL / h, and the needle size is adjusted as needed, the resulting gel particle size ranges from 3 to 8 mm; the resulting gel particles are reactive The pool is kept in the deionized water after 12 h.
[0041] Application of photocatalytic fluidized bed: The fine hole wire is made of hydrophilic synthetic fibers, such as nylon, polyethylene, and hydrophilic wire pore diameter less than 3 mm. ...
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