Modified activated carbon for removing sulfate radicals in water and preparation method thereof
A technology of activated carbon and sulfate radicals, applied in chemical instruments and methods, water pollutants, other chemical processes, etc., can solve the problems of limited adsorption effect of ionic pollutants, achieve high applicability and promotion, strong adsorption capacity, The effect of improving the adsorption effect
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[0024] The content of the present invention will be described in detail through the following examples:
[0025] 1) Take weighed 5.00g granular activated carbon, pour it into a 250mL beaker or Erlenmeyer flask containing 100mL of 1.0M acidic zirconium oxychloride solution, immerse and stir for 3h at room temperature;
[0026] 2) Use a burette to add 1:1 ammonia water dropwise to the solution after step 1) immersion and stirring (that is, a solution prepared by mixing concentrated ammonia water containing 28%-29% ammonia and water in a volume ratio of 1:1). ) To adjust the pH to 5, continue to stir and react for 4 hours at room temperature;
[0027] 3) Use a cloth funnel to filter the solution obtained in step 2), and wash the filter residue with deionized water until the filtrate is neutral to obtain an activated carbon filter residue;
[0028] 4) Collect the activated carbon filter residue obtained in step 3) in a petri dish, transfer to a constant temperature drying oven, and bake a...
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