Why aeration control is the key to sewage treatment

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The power consumption of the sewage aeration system usually accounts for about 60% of the power consumption of the whole plant, and it is an important control node for the energy saving of the whole plant. The direct way to save energy is to increase the aeration control power, reduce the waste of oxygen, and then reduce the air volume.

 

1. What is the role of aeration in sewage treatment

 

1. In sewage treatment, the aeration equipment supplies oxygen to the aeration tank through aeration, and the aeration equipment also has the function of stirring and mixing to enhance the mass transfer conditions of the pollutants in the water treatment system and improve the treatment effect.

2. Produce and maintain effective gas-water contact, and maintain a certain dissolved oxygen concentration in the water when biological oxidation continues to consume oxygen.

3. The aeration zone produces sufficient mixing and circulating water flow.

4. Maintain sufficient liquid velocity to make the biological solids in the water suspended.


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