Treatment method of urban domestic sewage
A technology for urban domestic sewage and a treatment method, which is applied in the field of urban domestic sewage treatment, can solve the problems of corrosion and leakage of underground sewage pipes, inability to discharge, and affect the environment, and achieves the effects of improving efficiency, not easy to accumulate sewage, and not easy to pollute the environment
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[0064] A kind of flocculant, the preparation method of flocculant comprises the following steps
[0065] a. Add polyacrylamide, casein, methylcellulose, zinc oxide, and activated carbon to the grinder and grind them to 10-100nm powder;
[0066] b. Add 100kg of polyacrylamide powder, 15kg of casein powder, 33kg of methyl cellulose powder, 3kg of zinc oxide powder, and 5kg of activated carbon powder into the stirring tank. premix;
[0067] c. Unload the premix into a granulator and press it into a granular flocculant.
Embodiment 2
[0069] A kind of flocculant, the preparation method of flocculant comprises the following steps
[0070] a. Add polyacrylamide, casein, methylcellulose, zinc oxide, and activated carbon to the grinder and grind them to 10-100nm powder;
[0071] b. Add 100kg of polyacrylamide powder, 16kg of casein powder, 33.5kg of methyl cellulose powder, 3.5kg of zinc oxide powder, and 5.5kg of activated carbon powder into the stirring tank. 5min to form a premix;
[0072] c. Unload the premix into a granulator and press it into a granular flocculant.
Embodiment 3
[0074] A kind of flocculant, the preparation method of flocculant comprises the following steps
[0075] a. Add polyacrylamide, casein, methylcellulose, zinc oxide, and activated carbon to the grinder and grind them to 10-100nm powder;
[0076] b. Add 100kg of polyacrylamide powder, 18kg of casein powder, 34kg of methyl cellulose powder, 4kg of zinc oxide powder, and 6kg of activated carbon powder into the stirring tank. premix;
[0077] c. Unload the premix into a granulator and press it into a granular flocculant.
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