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  • A sewage treatment process in which a part of decomposer bacteria present in the wastes is recycled into the starting of the process is called asOption: 1</

A sewage treatment process in which a part of decomposer bacteria present in the wastes is recycled into the starting of the process is called as

Option: 1

primary treatment


Option: 2

Activated sludge treatment


Option: 3

Tertiary treatment


Option: 4

None of these


Answers (1)

best_answer

As we have learnt,

 

Secondary treatment or Biological treatment -

activated sludge

- wherein

Once the BOD of sewage or wastewater is reduced significantly, the effluent is then passed into a settling tank where the bacterial ‘flocs’ are allowed to sediment. This sediment is called activated sludge

 

 

 

Posted by

Deependra Verma

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