Which of the following physical method is not followed in the primary waste treatment? Options: A . &nbspRotating screening drums B . &nbspSeparators C . &nbspFine rakes D . &nbspAlgal treatment

Which of the following physical method is not followed in the primary waste trea

Question

Which of the following physical method is not followed in the primary waste treatment?

Options:

A . Rotating screening drums

B . Separators

C . Fine rakes

D . Algal treatment

Answer: Option D
Answer: (d).Algal treatment

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