Sludge bagasse active carbon and preparation method thereof
A technology of bagasse and activated carbon, which is applied in sludge treatment, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve the problems of poor adsorption performance of sludge-based activated carbon and use safety, so as to improve safety, The effect of excellent adsorption performance
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Embodiment 1
[0031] (1) Using the technologies of CN201210374893.7 and CN201210374993.X invented by the applicant to remove heavy metals from sludge;
[0032] (2) Take the bagasse and the sludge that has been removed from heavy metals and put them in the drying room respectively, and dry them at 105 oC, and control the water content to ≤ 12%;
[0033] (3) Crushing the dried sludge and bagasse with a pulverizer, sieving, and retaining the part with a particle size range of 20-60 mesh;
[0034] (4) Sludge and bagasse according to the mass ratio of 9:1, respectively weigh the pulverized sludge and bagasse into the mixer, and mix evenly;
[0035] (5) Put the mixture in the dipping tank, add ZnCl with a concentration of 3 mol / L according to the solid-to-liquid ratio of 1:3 2 Activate in the solution, stir while dipping, keep the temperature at 40 oC for 24 hours;
[0036] (6) The impregnated mixture is dehydrated by conventional methods and dried to constant weight;
[0037] (7) Put the acti...
Embodiment 2
[0040] (1) Using the technologies of CN201210374893.7 and CN201210374993.X invented by the applicant to remove heavy metals from sludge;
[0041] (2) Take bagasse and the sludge that has been removed from heavy metals, and place them in a drying room to dry at 105 oC, and control the water content to ≤ 11.5%;
[0042] (3) Crushing the dried sludge and bagasse with a pulverizer, sieving, and retaining the part with a particle size range of 20-60 mesh;
[0043] (4) Sludge and bagasse: Weigh the pulverized sludge and bagasse according to the mass ratio of 7:3 and put them into the mixer, and mix them evenly;
[0044] (5) Put the mixture in the dipping tank, add ZnCl with a concentration of 3 mol / L according to the solid-to-liquid ratio of 1:3 2 Activate in the solution, stir while dipping, keep the temperature at 40 oC for 16 hours;
[0045] (6) The impregnated mixture is dehydrated by conventional methods and dried to constant weight;
[0046] (7) Place the activated sample i...
Embodiment 3
[0049] (1) Using the technologies of CN201210374893.7 and CN201210374993.X invented by the applicant to remove heavy metals from sludge;
[0050] (2) Take bagasse and the sludge that has been removed from heavy metals, and place them in a drying room to dry at 105 oC, and control the water content to ≤ 10%;
[0051] (3) Crushing the dried sludge and bagasse with a pulverizer, sieving, and retaining the part with a particle size range of 20-60 mesh;
[0052] (4) Sludge and bagasse: Weigh the pulverized sludge and bagasse according to the mass ratio of 5:5 and put them into the mixer, and mix them evenly;
[0053] (5) Put the mixed material in the dipping tank, and add the activation solution (ZnCl 2 solution), stir while impregnating, and maintain the temperature at 40 oC for 24 h;
[0054] (6) The impregnated mixture is dehydrated by conventional methods and dried to constant weight;
[0055] (7) Place the activated sample in a pyrolysis furnace, heat it up to 600 oC for 60...
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