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Purpose and method of wastewater treatment

  • Categories:Company dynamics
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  • Time of issue:2021-02-13 18:42
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(Summary description)The purpose of wastewater treatment is to separate the pollutants in wastewater in some way, or to separate them into harmless, stable substances, so that the wastewater can be generally cleaned, so a

Purpose and method of wastewater treatment

(Summary description)The purpose of wastewater treatment is to separate the pollutants in wastewater in some way, or to separate them into harmless, stable substances, so that the wastewater can be generally cleaned, so a

  • Categories:Company dynamics
  • Author:
  • Origin:
  • Time of issue:2021-02-13 18:42
  • Views:
Information

The purpose of wastewater treatment is to separate the pollutants in wastewater in some way, or to separate them into harmless, stable substances, so that the wastewater can be generally cleaned, so as not to contaminate toxins and bacteria.Avoiding odors and discomfort Visible objects can be used for a variety of purposes.

 

 

Purpose and method of wastewater treatment:

1) Simple wastewater: such as domestic sewage and urban sewage, aerobic biochemical method is the main choice, aerobic biochemical method as the core skill, divided into activated sludge method and biofilm method two categories.Many wastewater treatment processes are involved, such as universal push-flow aeration tanks, SBR, oxidation ditches, contact oxidation and MBR.Planning and construction operations revolve around this structure.

2) Wastewater concentration is slightly higher: the predecessor of aerobic biochemical method added some anaerobic biochemical technology, such as high concentration of domestic wastewater and municipal industrial wastewater.Anaerobic biochemical method is divided into anaerobic method and hydrolytic acidification method.If ordinary anaerobic tank is used, hydrolytic acidification tank.This is also an important structural link between planning and operations.Or use combined anaerobic and aerobic processes that can remove nitrogen and phosphorus, such as AO, A2O, CASS, Carrousel oxidation ditch, and other mixed integration processes.

3) No matter how high the concentration: this water is rare and mainly belongs to simple industrial waste water.Coagulation and sedimentation method is often used for pretreatment, anaerobic biochemical methods such as UASB, ABR, EGSB, IC, etc.Then anaerobic wastewater is treated by aerobic process.

4) High concentration wastewater is usually discharged from factories with specific pollutants.At this point, physical and chemical treatment is required.Treatment of wastewater characteristic pollutants, so that it can enter the subsequent biochemical wastewater treatment process, without affecting the subsequent biological activity and reproductive growth.

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