Phosphorus-removing adsorbent for waterworks and preparation method thereof
A phosphorus adsorbent, the technology of waterworks, applied in the direction of chemical instruments and methods, adsorption water/sewage treatment, water pollutants, etc., can solve the problems of low treatment efficiency, unstable effect, high cost, etc., to improve adsorption performance, operation Simple, antioxidant-boosting effect
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[0020] A kind of waterworks dephosphorization sorbent is prepared by the following method:
[0021] (1) Wash the dead branches and leaves of the garden, dry them, crush them, and put them into a carbonization furnace for carbonization at 350°C for 40 minutes. After taking them out, mix them with potassium carbonate at a mass ratio of 3.5:1, then add them to water and stir them evenly. Oscillate at constant temperature for 7 hours, then filter and dry, then send it to a high-temperature furnace for activation at 800°C for 80 minutes, take it out after cooling, wash it with water until the pH is neutral, and crush it through a 100-mesh sieve after drying;
[0022] (2) Dissolve ferric chloride in ethylene glycol at a solid-to-liquid ratio of 1:30g / mL, stir continuously until it dissolves evenly, and then add anhydrous sodium acetate and polyethylene glycol to it, in which ferric chloride, anhydrous The mass ratio of sodium acetate and polyethylene glycol is 1:2.6:0.8, heat up to ...
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