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Domestic sewage comprehensive treatment equipment
The comprehensive treatment equipment for domestic sewage has made outstanding contributions in the current process, and its application in the living community is also of great concern. It directly affects our quality of life, and the treatment of sewage is also better improving our living environment. The biological treatment process adopted by this equipment integrates the removal of BOD, COD, and NH-N, making it the current sewage treatment equipment. It is widely used in the treatment of domestic sewage and similar industrial organic sewage in rural areas, villas and residential quarters, replacing the septic tank with low removal rate and treated effluent that cannot meet the comprehensive discharge standard.
After practical application, it has been shown that the integrated buried sewage treatment equipment is a very ideal and easy to manage domestic sewage treatment equipment. The long-term application results in the living community also indicate that this equipment is a good governance measure for our domestic sewage treatment.
Domestic sewage is the wastewater discharged from residents' daily lives, mainly from residential buildings and public buildings, such as residential buildings, government agencies, schools, hospitals, shops, public places, and industrial enterprise bathrooms. The pollutants contained in domestic sewage are mainly organic matter (such as proteins, carbohydrates, fats, urea, ammonia nitrogen, etc.) and a large number of pathogenic microorganisms (such as parasitic eggs and intestinal infectious viruses, etc.). The organic matter present in domestic sewage is extremely unstable and prone to decay, resulting in a foul odor. Bacteria and pathogens multiply in large quantities using organic matter in domestic sewage as nutrients, which can lead to the spread of infectious diseases.
The comprehensive domestic sewage has high CODcr and BOD5, and the value of BOD5/CODcr is greater than 0.4, indicating good biochemical performance. It is advisable to adopt a biochemical based process for treatment. Due to the large amount of wastewater, integrated sewage treatment equipment should be used for biochemical treatment. Before entering the biochemical device, try to remove floating and large particle suspended impurities from the domestic sewage during the pre-treatment stage as much as possible, and then enter the sewage regulating tank to prevent adverse effects on the sewage lifting pump.