Deep purifying method for domestic sewage
A technology for deep purification and domestic sewage, applied in chemical instruments and methods, biological water/sewage treatment, water/sewage treatment, etc., to achieve the effect of rational application, good effluent quality, and beautification of the environment
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Embodiment 1
[0040] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0041] A deep purification method for domestic sewage, comprising the following steps,
[0042] Step 1. Preliminary treatment of sewage: crush and stir the domestic sewage to be treated, and process it through the grid to remove plastics, sand and stones and other garbage wastes that are not easy to be crushed in the sewage;
[0043] Step 2. Fermentation treatment of sewage: Add a starter to the sewage treated by grid, mix and stir for fermentation; the starter is composed of Enterococcus faecalis, Enterococcus faecium, Pediococcus lactis, denitrifying bacteria, phosphorus and potassium Bacteria, sulfide-oxidizing bacteria, Candida utilis and Bacillus subtilis, the total live bacteria content is 16 billion / g; the dosage is 2g / 10L;
[0044] Step 3, biological pond purification treatment: the fermented sewage flows through the biological pond through the...
Embodiment 2
[0057] A deep purification method for domestic sewage, comprising the following steps,
[0058] Step 1. Preliminary treatment of sewage: crush and stir the domestic sewage to be treated, and process it through the grid to remove plastics, sand and stones and other garbage wastes that are not easy to be crushed in the sewage;
[0059] Step 2. Fermentation treatment of sewage: Add a starter to the sewage treated by grid, mix and stir for fermentation; the starter is composed of Enterococcus faecalis, Enterococcus faecium, Pediococcus lactis, denitrifying bacteria, phosphorus and potassium Bacteria, sulfide oxidizing bacteria, Candida utilis and Bacillus subtilis, the total live bacteria content is 20 billion / g; the dosage is 3g / 10L;
[0060] Step 3, biological pond purification treatment: the fermented sewage flows through the biological pond through the water inlet 7, is purified for 10 days, and flows out from the water outlet 8; the algae are fixed by embedding;
[0061] Bio...
Embodiment 3
[0073] A deep purification method for domestic sewage, comprising the following steps,
[0074] Step 1. Preliminary treatment of sewage: crush and stir the domestic sewage to be treated, and process it through the grid to remove plastics, sand and stones in the sewage that are not easy to crush;
[0075] Step 2. Fermentation treatment of sewage: add starter to the sewage treated by grid, mix and stir for fermentation treatment; the starter is composed of Enterococcus faecalis, Enterococcus faecium, Pediococcus lactis, denitrifying bacteria, phosphorus and potassium bacteria, sulfide oxidizing bacteria, Candida utilis and Bacillus subtilis, the total live bacteria content is 18 billion / g; the dosage is 2.5g / 10L;
[0076] Step 3, biological pond purification treatment: the fermented sewage flows through the biological pond through the water inlet 7, purified for 8 days, and flows out from the water outlet 8; the algae are fixed by embedding;
[0077] Biological ponds such as f...
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