Method for preparing alginic acid modified carbon-supported zeolite by using irradiation
A carbon-loaded zeolite, alginic acid technology, applied in chemical instruments and methods, water/sludge/sewage treatment, adsorption water/sewage treatment, etc. Ability and dispersion uniformity, the effect of broad application prospects
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Embodiment 1
[0025] (1) Immerse 50g of artificial zeolite in 0.5 mol / L HCl, soak it repeatedly three times, each time for 45 minutes, with an interval of 5 minutes each time, then wash with deionized water until the washing liquid is neutral, and place it in a vacuum drying oven Dry at 70°C for 4 hours;
[0026] (2) Weigh 10 g of dried artificial zeolite into the autoclave, immerse it in 1 % (g / v) glucose solution, seal it, react at 140 °C for 4 h, and naturally cool to room temperature; First wash three times with ethanol, then wash three times with deionized water, and then dry in a vacuum oven at 70 °C for 4 h to obtain the artificial zeolite wrapped with carbon materials;
[0027] (3) Weigh 1 g of alginic acid and place it in 150 mL of deionized water, heat to 70°C and stir to dissolve it fully, add diethylenetriamine solution (diethylenetriamine to water volume ratio is 1:50) to adjust the solution The pH value is 7;
[0028] (4) Weigh 1 g of carbon-coated artificial zeolite into an...
Embodiment 2
[0033] A) Soak 50g of artificial zeolite in 0.5 mol / L HCl repeatedly for three times, each time for 45 minutes, with an interval of 5 minutes between each time, then wash with deionized water until the washing liquid is neutral, and dry in a vacuum drying oven at 70 °C for 4 h;
[0034] B) Weigh 10 g of dried zeolite into an autoclave, immerse it in a 3% (g / v) glucose solution, seal it, react at 200°C for 4 h, cool to room temperature naturally, and use ethanol and deionized Wash with water three times each, and dry in a vacuum oven at 70°C for 4 h to obtain artificial zeolite wrapped with carbon materials. Fully dissolve, then add diethylenetriamine solution (the volume ratio of diethylenetriamine to water is 1:50) to adjust the pH of the solution to 8 to obtain a blend;
[0035] D) Weigh 2 g of the carbon-coated artificial zeolite obtained in step B) into an irradiation bottle, add 10 mL of the blend solution obtained in step C), and then place it under room temperature at ...
Embodiment 3
[0038] A) Soak 50g of artificial zeolite in 0.5 mol / L HCl repeatedly for three times, each time for 45 minutes, with an interval of 5 minutes between each time, then wash with deionized water until the washing liquid is neutral, and dry in a vacuum drying oven at 70 °C for 4 h;
[0039] B) Weigh 10 g of dried zeolite into an autoclave, immerse it in a 6% (g / v) glucose solution, seal it, react at 200°C for 9 h, cool naturally to room temperature, and use ethanol and deionized Wash with water three times, and dry in a vacuum oven at 70°C for 4 hours to obtain artificial zeolite wrapped with carbon materials;
[0040] C) Weigh 1 g of alginic acid and place it in 150 mL of deionized water, heat it to 70°C and stir to dissolve it fully, then add diethylenetriamine 1:50 (V / V) to adjust the pH value of the solution to 10 to obtain blend;
[0041] D) Weigh 4 g of the carbon-coated artificial zeolite obtained in step B) into an irradiation bottle, add 10 mL of the blend solution obta...
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