Sewage treatment process and special-purpose one-piece sewage treatment plant
A technology for sewage treatment and sewage, which is applied in the fields of water/sewage multi-stage treatment, water/sludge/sewage treatment, energy and wastewater treatment, etc. Mud is easy to age and other problems, to achieve stable and mature process optimization, high removal effect, and good effect of nitrogen and phosphorus removal.
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[0041] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0042] Such as figure 1 , The sewage treatment process method of the present invention includes the following steps:
[0043] 1) Set up the water inlet pipe, the sewage is input from the water inlet pipe, and the front end has passed through the coarse and fine grid for pretreatment;
[0044] 2) Set up a biological reaction system. The biological reaction system is divided into anoxic area, anaerobic area, aerobic area and precipitation area in turn. Each area uses the degradation and metabolism of microorganisms to convert organic matter into inorganic matter, and removes nitrogen and phosphorus, among which nitrogen is removed It is completed by anoxic zone and aerobic zone, and phosphorus removal is completed by anaerobic zone and aerobic zone. In order to ensure a good denitrification and phosphorus removal effect, so that the nitrification and denitrification r...
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