What is Sewage Treatment
Sewage treatment: The process of purifying wastewater to meet the water quality requirements of drainage or reuse. Wastewater treatment is widely used in construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering and other fields, and more and more people are entering their daily life.
According to the nature of water pollution, there are two kinds of water pollution: one is natural pollution, the other is man-made pollution.
At present, man-made pollution is the most harmful to water body. Water pollution can be divided into chemical pollution, physical pollution and biological pollution according to the difference of pollution impurities. The main pollutants are:
(1) Untreated industrial wastewater;
(2) Domestic sewage discharged without treatment;
(3) A large amount of farmland sewage using chemical fertilizers, pesticides and herbicides;
(4) Industrial waste and domestic waste piled on riverside;
(5) Soil and water loss;
(5) Mine sewage.
Fan is the core equipment in the process of sewage treatment, which directly determines its effect and energy consumption. In the process of sewage treatment, fans are mainly used to increase oxygen in the aeration tank, promote the growth of aerobic microorganisms, decompose suspended matter, dissolved organic matter and nutrients such as nitrogen and phosphorus in sewage by their metabolic function, so as to achieve the purpose of sewage treatment. They are the core equipment of sewage treatment plant.
