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Medical and pharmaceutical water treatment equipment

Medical sewage is a kind of low-concentration sewage. In addition to organic and inorganic pollutants (such as various medicines, disinfectants, anatomical wastes and other pollutants), it also contains a large number of bacteria, viruses and parasites, and its composition is relatively complex. If the waste water is directly discharged without treatment, it will cause harm to the surrounding waters, soil and human daily life. Its water quality indexes are: COD≤400mg/L, BOD5≤250mg/L, SS≤300mg/L, NH3-N≤50mg/L, Escherichia coli (each/L)≤3.0×108. After being treated by this process, the effluent water quality can meet the current national "Water Discharge Standards for Medical Institutions" (GB18466-2005) discharge requirements: COD≤60mg/L, BOD5≤20mg/L, SS≤20mg/L, NH3-N ≤15mg/L, Escherichia coli (pcs/L) ≤100.

Product Details

Medical sewage treatment technology
Medical sewage is a kind of low-concentration sewage. In addition to organic and inorganic pollutants (such as various medicines, disinfectants, anatomical wastes and other pollutants), it also contains a large number of bacteria, viruses and parasites, and its composition is relatively complex. If the waste water is directly discharged without treatment, it will cause harm to the surrounding waters, soil and human daily life. Its water quality indexes are: COD≤400mg/L, BOD5≤250mg/L, SS≤300mg/L, NH3-N≤50mg/L, Escherichia coli (each/L)≤3.0×108. After being treated by this process, the effluent water quality can meet the current national "Water Discharge Standards for Medical Institutions" (GB18466-2005) discharge requirements: COD≤60mg/L, BOD5≤20mg/L, SS≤20mg/L, NH3-N ≤15mg/L, Escherichia coli (pcs/L) ≤100.

Flow chart


Process Description
The sewage from the septic tank removes large scum through the mechanical grill, and then enters the regulating tank for uniform water quality and quantity. The waste gas in the regulating tank is discharged after being treated by the biological deodorizing device. The effluent enters the hydrolysis and acidification tank, which converts macromolecular organic matter into small molecular matter and reduces COD load. Then enter the contact oxidation tank, the organic pollutants in the sewage can be efficiently degraded by the biofilm loaded on the filler, and its effluent is separated through the intermediate tank solid-liquid separation, and the supernatant is discharged after reaching the standard after second-stage fine filtration and disinfection.
The sludge in the hydrolysis acidification tank and the intermediate tank is discharged into the sludge tank, and the mud cake dehydrated by the filter press is burned by the boiler (mainly to kill the bacteria, viruses, parasite eggs contained in the sludge), or in the mud The cake is mixed with lime and plant straws and mixed evenly, stacked and sterilized, and shipped or landfilled after 3 months.

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High degree of automation

Low cost

Very low risk factor

Environmental protection