Preparation method of Prussian blue compound deammonization material and application in deammonization of sewage
A Prussian blue and compound technology, applied in the field of Prussian blue compound deammonization material preparation, can solve the problems affecting the normal operation of the project, poor ammonium ion selectivity, low adsorption capacity, etc., to achieve safe and environmentally friendly use, high adsorption selectivity , Improve the effect of adsorption selectivity
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Embodiment 1
[0047] Take by weighing 0.2mol of zinc chloride, be dissolved in 200ml of deionized water, stir evenly to obtain a zinc chloride solution with a substance concentration of 1mol / L; weigh 0.2mol of Prussian blue sodium ferrocyanide, dissolve In 200ml of deionized water, stir evenly to obtain a sodium ferrocyanide solution with a substance concentration of 1mol / L; add 0.1mol of solid sodium chloride to the sodium ferrocyanide solution, and stir evenly to make Sodium chloride is completely dissolved in the sodium ferrocyanide solution to obtain a mixed solution of sodium ferrocyanide and sodium chloride; the zinc chloride solution is added dropwise to the mixed solution, and magnetic stirring is performed while adding. Continue to stir for 2 hours after completion to obtain a white suspension; let the white suspension stand still for 1 hour, precipitate, and centrifuge to obtain a white solid; wash the white solid with deionized water several times to obtain the Prussian blue Comp...
Embodiment 2
[0049] Take by weighing the cupric chloride of 0.6mol, be dissolved in the deionized water of 200ml, stir evenly, obtain the cupric chloride solution that the amount concentration of substance is 3mol / L; Take by weighing the Prussian blue class sodium ferrocyanide of 0.6mol, dissolve In 200ml of deionized water, stir evenly to obtain a sodium ferrocyanide solution with a substance concentration of 3mol / L; add 0.6mol of solid sodium chloride to the sodium ferrocyanide solution, stir evenly, and make Sodium chloride is completely dissolved in the sodium ferrocyanide solution to obtain a mixed solution of sodium ferrocyanide and sodium chloride; the copper chloride solution is added dropwise to the mixed solution, and magnetic stirring is performed while adding. Continue to stir for 4 hours after completion to obtain a white suspension; let the white suspension stand still for 3 hours, precipitate, and centrifuge to obtain a white solid; wash the white solid with deionized water s...
Embodiment 3
[0051] Weigh 0.1mol of nickel sulfate, dissolve it in 200ml of deionized water, and stir evenly to obtain a nickel sulfate solution with a concentration of 0.5mol / L; weigh 0.2mol of Prussian blue potassium ferrocyanide, dissolve in In 200ml of deionized water, stir evenly to obtain a potassium ferrocyanide solution with a substance concentration of 1mol / L; add 0.8mol of solid potassium chloride to the potassium ferrocyanide solution, stir well, and make the chlorine Potassium chloride is completely dissolved in the potassium ferrocyanide solution to obtain a mixed solution of potassium ferrocyanide and potassium chloride; the nickel sulfate solution is added dropwise to the mixed solution, and magnetic stirring is carried out while the dropwise addition is completed. Stirring was continued for 6 hours to obtain a white suspension; the white suspension was left to stand for 4 hours, precipitated, and centrifuged to obtain a white solid; the white solid was washed with deionized ...
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