Question

what is the key difference between primary and secondary sewage treatment?​

Answer 1

Answer:

Primary sewage treatment is a physical process that removes large impurities while secondary sewage treatment is a biological process that removes organic matter of sewage through the action of microbes.

Explanation:

Answer 2

Hey mate here is your answer

Primary Wastewater Treatment
Secondary Wastewater Treatment
In this method, the waste is processed through a physical procedure with equipment and filtration.
The wastewater is purified through biological processes using microorganisms.
Larger particles are removed from wastewater using this method.
Smaller particles are removed from wastewater using this treatment method.
This method requires a shorter time.
This method requires a longer time because the microbes consume the waste.
Sedimentation and filtration helps in the primary treatment.
The processes involved in this method are biofiltration, aerobic and anaerobic processes.



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