Is the sewage treatment plant any good?

Some people often ask how sewage treatment plants are used. In fact, most of the sewage treatment equipment on the market is similar, such as integrated equipment, which generally refers to a set of first-level sedimentation tanks, I and II contact oxidation tanks, secondary sedimentation tanks, sludge It is a one-piece sewage treatment equipment that integrates the two tanks. The I and II contact oxidation tanks are treated with blast aeration, which effectively combines the contact oxidation method with the activated sludge process, and has the advantages of both, overcoming these two shortcomings. , to further improve the technical level of sewage treatment equipment.

In summary, it can be seen that the sewage treatment plant is still relatively easy to use. At the same time, because the sewage equipment is composed of a secondary pool of steel structure, the burial depth is shallow. The anti-corrosion of the steel pool adopts the interpenetrating network anti-corrosion coating pioneered in China. The perforated mesh polymer is a perforated mesh polymer formed by the mutual penetration of rubber mesh and plastic mesh. It is resistant to acid, alkali, salt, oil, oil, aging and impact, and can bring corrosion. After the coating is completed, the anti-corrosion life of the sewage treatment plant can generally exceed 12 years. The aeration biological treatment process used in the sewage treatment plant is more effective than the complete mixed biological contact oxidation tank or the second or third series of the complete mixed biological contact oxidation tank. Moreover, it is smaller than the activated sludge tank, has strong adaptability to water quality, good impact resistance, stable effluent quality, and no sludge expansion. A new type of elastic three-dimensional filler is used in the biological contact oxidation tank. The filler has the advantages of large specific surface area, convenient film hanging, and convenient microbial film removal. It can remove organic matter better than other fillers under the same organic load. Can improve the solubility of oxygen in water. Sewage treatment plants also use AO biological treatment. In this process, biological contact oxidation tanks are used. The volume load of the filler is relatively low, the microorganisms are in the self-oxidation stage, and the amount of mud produced is small. The water content of sludge produced by biological contact oxidation ponds is much lower than that of activated sludge ponds. As a result, the amount of sludge produced by the installation of sewage treatment plants is small, and it generally only takes about 90 days to discharge the sludge.

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