Method for in-situ purification of domestic sewage by circular fluidization technology
A technology of circulating fluidization of domestic sewage, applied in chemical instruments and methods, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of high cost and restrictions on rural sewage treatment and disposal, and achieve improved removal Efficiency, the effect of improving utilization efficiency
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Embodiment 1
[0024] A method for in-situ purification of domestic sewage by circulating fluidization technology, by constructing centimeter-scale porous carrier microspheres and loading microorganisms, relying on the purification process method of circulating fluidization technology, the steps are as follows:
[0025] 1) Disperse biochar and the same amount of chitosan (total mass 10g) in 200ml 2% (V / V) acetic acid solution;
[0026] 2) After vigorously stirring the above solution at 65°C for 2 hours, slowly add 0.6 g of polyacrylamide powder, and continue stirring for 1 hour to form a viscous liquid;
[0027] 3) Transfer the above liquid to the needle tube while it is hot, and push the needle tube to form a droplet with a diameter of 1.2cm, and place it in ultrapure water to form a spherical shape;
[0028] 4) Place the above sphere in an oven at 180°C for 6 hours to remove moisture;
[0029] 5) Take it out after cooling, and put it in the effective viable count 10 9 CFU / ml in microbial...
Embodiment 2
[0040] A method for in-situ purification of domestic sewage by circulating fluidization technology, by constructing centimeter-scale porous carrier microspheres and loading microorganisms, relying on the purification process method of circulating fluidization technology, the steps are as follows:
[0041] 1) Disperse biochar and the same amount of chitosan (total mass 15g) in 200ml 2% (V / V) acetic acid solution;
[0042] 2) After vigorously stirring the above solution at 80°C for 2 hours, slowly add 1g of polyacrylamide powder, and continue stirring for 1 hour to form a viscous liquid;
[0043] 3) Transfer the above liquid to the needle tube while it is hot, and push the needle tube to form a 2cm drop, and place it in ultrapure water to form a spherical shape;
[0044] 4) Place the above sphere in an oven at 220°C for 6 hours to remove moisture;
[0045] 5) Take it out after cooling, and put it in the effective viable count 10 9 CFU / ml in microbial (single bacteria) fermenta...
Embodiment 3
[0056] A method for in-situ purification of domestic sewage by circulating fluidization technology, by constructing centimeter-scale porous carrier microspheres and loading microorganisms, relying on the purification process method of circulating fluidization technology, the steps are as follows:
[0057]1) Disperse biochar and the same amount of chitosan (total mass 20g) in 200ml 2% (V / V) acetic acid solution;
[0058] 2) After vigorously stirring the above solution at 100°C for 2 hours, slowly add 1 g of polyacrylamide powder, and continue stirring for 1 hour to form a viscous liquid;
[0059] 3) Transfer the above liquid to the needle tube while it is hot, and push the needle tube to form a 2cm drop, and place it in ultrapure water to form a spherical shape;
[0060] 4) Place the above sphere in an oven at 220°C for 8 hours to remove moisture;
[0061] 5) Take it out after cooling, and put it in the effective viable count 10 9 CFU / ml in microbial (single bacteria) ferment...
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